1115RESOLUTION NO. 1115
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF
ROLLING HILLS, CALIFORNIA, ADOPTING THE 2011 CITYWIDE
ENGINEERING AND TRAFFIC SURVEY FOR STREETS SPECIFIED
THEREIN
WHEREAS, Section 40803 (b) of the California Vehicle Code requires that any prosecution- where
enforcement involves the use of radar or other electronic devices which measure the speed of moving
objects shall not based on a speed trap; and
WHEREAS, California Vehicle Code Section 40802 (c) provides, in pertinent part, as follows:
46(2) A "speed trap" is either of the following:
(A) A particular section of a highway measured as to distance and with boundaries marked,
designated, or otherwise determined in order that the speed of a vehicle may be calculated by
securing the time it takes the vehicle to travel the known distance.
(B) (i) A particular section of a highway or state highway with a prima facie speed limit that is
provided by this code or by local ordinance under subparagraph (A) of paragraph (2) of subdivision
(a) of Section 22352, or established under Section 22354, 22357, 22358, or 22358.3, if that prima
facie speed limit is not justified by an engineering and traffic survey conducted within one of the
following time periods, prior to the date of the alleged violation, and enforcement of the speed limit
involves the use of radar or any other electronic device that measures the speed of moving objects:
(1) Except as specified in subclause (II), seven years.
(II) If an engineering and traffic survey was conducted more than seven years prior to the date of the
alleged violation, and a registered engineer evaluates the section of the highway and determines that
no significant changes in roadway or traffic conditions have occurred, including, but not limited to,
changes in adjoining property or land use, roadway width, or traffic volume, 10 years"; and
WHEREAS, the City of Rolling Hills desires to continue the use of radar, laser and other electronic
devices to measure the speed of moving objects in order to protect the lives and property of motorists
utilizing City streets and to improve enforcement of speed limits within the City of Rolling Hills; and
WHEREAS, the City Council of the City of Rolling Hills is authorized to establish speed limits on
privately owned and maintained roads located within the boundaries of the City, as specified by Section
10.01.020 of the City of Rolling Hills Municipal Code; and
WHEREAS, the City's Traffic Engineering Consultant is a registered engineer and has conducted
an engineering and traffic survey which presents recommendations for speed limits on eight (8) street
segments in the City; and
WHEREAS, the results of the City Traffic Engineer's 2011 survey are published in the
Engineering and Traffic Survey dated September 2011. The 2011 Study is attached hereto as Exhibit "A,"
and incorporated by this reference as though fully set forth herein.
NOW, THEREFORE, BE IT RESOLVED that the City Council of the City of Rolling Hills
does hereby find, determine and resolve as follows:
SECTION 1. The City Council of the City of Rolling Hills approves and adopts the findings and
recommendations of the 2011 Engineering and Traffic Survey as prepared and submitted by Willdan
Engineering, which is incorporated by reference as though fully set forth herein and attached hereto as
Exhibit "A".
SECTION 2. Pursuant to the requirements of subsection (c) of Vehicle Code section 40802, the
2011 Survey shall be effective for a period of seven years and shall expire on the l0"' day of October, 2018.
SECTION 3. This Resolution replaces and supersedes Resolution No. 564, and all subsequent
Engineering and Traffic Surveys, establishing the prima facie (posted) speed limit.
Resolution No. 1115 -1-
SECTION 4. The City Clerk shall attest to the passage of this resolution and it shall thereupon be
in full force and effect.
PASSED, APPROVED, AND ADOPTED this 10th day of October, 2011.
4B.Al Lfy/ v
Mayor
ATTEST:
Heidi Luce
Deputy City Clerk
Resolution No. 1115 -2-
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STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) SS
CITY OF ROLLING HILLS )
The foregoing Resolution No. 1115 entitled:
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF
ROLLING HILLS, CALIFORNIA, ADOPTING THE 2011 CITYWIDE
ENGINEERING AND TRAFFIC SURVEY FOR STREETS SPECIFIED
THEREIN
was approved and adopted at a regular meeting of the .City Council on October 10, 2011, by the
following roll call vote:
AYES: Councilmembers Heinsheimer, Hill, Mayor Pro Tem Black and Mayor Lay.
NOES: None.
ABSENT: Councilmember Pernell.
ABSTAIN: None.
Heidi Luce
Deputy City Clerk
Resolution No. 1115 -3-
September 22, 2011
Mr. Anton Dahlerbruch
City Manager
City of Rolling Hills
2 Portuguese Bend Road
Rolling Hills, CA 90274
Subject: 2011 Engineering and Traffic Survey
Dear Mr. Dahlerbruch:
*,Id -
WI LL®AN e vending
Engineering I reach
As requested, Willdan has completed an Engineering and Traffic Survey to justify and
update the posted speed limits along 8 street segments in the City of Rolling Hills. These
segments were last surveyed in October 2004, and require an update to comply with the 7 -
year limitation set forth in the California Vehicle Code (CVC).
We are pleased to submit the enclosed Report that describes the E&T survey procedures
and contains recommendations for posted speed limits on the City's arterial and collector
street system. A summary of these recommendations is included in the Analysis.
Supporting documentation for each speed zone recommendation is provided in the
Appendices.
The Report was conducted in accordance with applicable provisions of the CVC, following
procedures outlined in the California Manual on Uniform Traffic Control Devices ( California
MUTCD) dated January 2010, and as required by Section 627 of the California Vehicle
Code. The Report is intended to satisfy the requirements of Section 40802 of the CVC to
enable the continued use of radar for traffic speed enforcement.
We appreciate the opportunity to serve the City of Rolling Hills and the assistance and
cooperation afforded to us during the course of this study.
Very truly yours,
WILLDAN
QRpfESS1
Vanessa unoz, P.E., T.E.
Traffic Engineer 12 , Ems, tO
Enclosure T ��ti ��� Fsp�c
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Engineering I Geotechnical I Environmental I Sustainability I Financial 1 Homeland Security
562.908.6200 1 562.695.2120 1 13191 Crossroads Parkway North, Suite 405, City of Industry, CA 91746-3443 1 www.wilidan.com
Resolution No. 1115 -4-
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TABLE OF CONTENTS
Page
INTRODUCTION......................................................................................... 1-2
Elements of the Engineering and Traffic Survey ....................................... 2-3
SURVEY CONDITIONS.............................................................................. 4
SurveyLocations....................................................................................... 4
DataCollection.......................................................................................... 4
SpeedData............................................................................................ 4
CollisionData......................................................................................... 5
FieldReview Data.................................................................................. 5
ANALYSIS................................................................................................... 6
Criteria....................................................................................................... 6
Results and Recommendations................................................................. 6-7
Table 1 -Summary of Recommendations................................................... 8
Segments with Special Conditions............................................................ 9-10
LEGISLATIVE REFERENCES___ .... **,*, '*' ..... '*****
EFERENCES.................................................................... 11
Applicable Sections of California Vehicle Code ......................................... 11-16
APPENDIX A - Segment Data
Street Segment Sheets
Radar Speed Distribution Forms
APPENDIX B - Collision Rates
APPENDIX C - Survey Equipment Used
Engineering and Traffic Survey
City of Rolling Hills
Resolution No. 1115 -5-
INTRODUCTION I
This Engineering and Traffic Survey is intended to be the basis for the establishment,
revision, and enforcement of speed limits for selected streets within the City of Rolling Hills.
This Engineering and Traffic Survey presents recommended speed limits for 8 street
segments in the City of Rolling Hills. Engineering and Traffic Surveys are required by the
State of California to establish intermediate speed limits on local streets and to enforce
those limits using radar or other speed measuring devices. These surveys must be
updated every 5 or 7 years to ensure the speeds reflect current conditions as dictated by
the California Vehicle Code (CVC). The CVC also requires that the surveys be conducted
based on the methodology required by The California Manual on Uniform Traffic Control
Devices (California MUTCD) dated January 2010.
The survey was requested by the City for the proper posting of speed limits and to enable
the Sheriff's Department to utilize radar or other electronic speed measuring devices for
speed enforcement. CVC Sections 40801 and 40802 require Engineering and Traffic
Surveys that verify the prima facie speed limit before enforcement by such a device is
legal. The law further specifies that these surveys be conducted every 5 years. The
surveys can be extended to 7 years provided the City's police officer(s) have completed a
24-hour radar operator course [CVC 40802(c)(2)(B)(i)(1)]. Additionally, some surveys may
be extended to 10 years if a traffic engineer certifies that no changes in roadway or traffic
conditions have occurred [CVC 40802 (c)(2)(B)(i)(II)]. These provisions assure that posted
speed limits are kept reasonably current.
The Engineering and Traffic Surveys for the City were conducted in accordance with
procedures outlined in the California Manual on Uniform Traffic Control Devices (California
MUTCD) dated January 2010 and as required by Section 627 of the California Vehicle
Code. The Code further describes three elements of an engineering and traffic survey:
1. Measurement of prevailing speed;
2. Accident history; and
3. Roadway characteristics not readily apparent to the motorist.
Posted speed limits are established primarily to protect the general public from the reckless
and unpredictable behavior of dangerous drivers. They provide law enforcement with a
clearly understood method to identify and apprehend violators of the basic speed law (CVC
Section 22350). This law states that "No person shall drive a vehicle on a highway at a
speed greater than is reasonable or prudent having due regard for weather, visibility, the
traffic on, and the surface and width of the highway, and in no event at a speed which
endangers the safety of persons or property." The posted speed limit gives motorists a
clear warning of the maximum speed that is reasonable and prudent under typical driving
conditions.
Engineering and Traffic Survey
City of Rolling Hills
Resolution No. 1115 -6-
The basic fundamentals for establishing speed limits recognize that the majority of drivers
behave in a safe and reasonable manner, and therefore, the normally careful and
competent actions of a reasonable driver should be considered legal. Speed limits
established on these fundamentals conform to the consensus that those who drive the
highway determine what speed is reasonable and safe, not on the judgment of one or a
few individuals. A radar speed study is usually used to record the prevailing speed of
reasonable drivers.
Speed limits are also established to advise drivers of conditions which may not be readily
apparent to a reasonable driver. For this reason, accident history, roadway conditions,
traffic characteristics, and land use must also be analyzed before determining speed limits.
Speed limit changes are usually made in coordination with physical changes in roadway
conditions or roadside developments. Unusually short zones of less than one-half mile in
length should be avoided to reduce driver confusion.
Additionally, it is generally accepted that speed limits cannot be successfully enforced
without voluntary compliance by a majority of drivers. Consequently, only the driver whose
behavior is clearly out of line with the normal flow of traffic is usually targeted for
enforcement.
ELEMENTS OF THE ENGINEERING AND TRAFFIC SURVEY
The California Manual on Uniform Traffic Control Devices (California MUTCD) dated
January 2010 specifies the methodology to be used for completing Engineering and Traffic
Surveys. This methodology includes an evaluation of current vehicle speeds, accident
history and conditions not readily apparent to motorists. The basic elements of the
Engineering and Traffic Survey are discussed in more detail as follows:
Speed Sampling
Existing vehicle speeds are surveyed by a certified radar operator with a calibrated radar
unit in an unmarked vehicle. Speed samples are taken for each segment representing a
statistically significant sample of current traffic. This data is then evaluated to identify the
distribution of speeds. A key element in the evaluation is the identification of the 85th
percentile speed. The 85th percentile speed is the speed at or below which 85 percent of
the traffic travels. This threshold represents what is historically found to be a safe and
reasonable speed for most drivers based on common roadway conditions. Therefore, a
"basic speed limit" is established at the nearest 5 -mile per hour (mph) increment to the
85th percentile speed. For example, if the 85th percentile speed is 48 mph, the basic
speed limit is 50 mph. If the 85th percentile speed is 47 mph, the basic speed limit is 45
mph.
Engineering and Trafflc Survey
2 City of Rolling Hills
Resolution No. 1115 -7-
Collision History
Reported collisions are reviewed for each street segment to determine if there is a higher
than average rate of collisions. A segment that has an above-average collision rate
typically suggests conditions that are not readily apparent to motorists.
A summary of the collision rates for the 8 surveyed street segments is provided in
Appendix B.
Conditions Not Readily Apparent To Motorists
Each street segment is field inspected to identify roadway conditions that may not be
readily apparent to motorists. A determination is made whether any conditions are
significant and warrant the recommendation of the speed limit 5 mph or more below the
basic speed limit. It is important to note that The California Manual on Uniform Traffic
Control Devices (California MUTCD) dated January 2010 recommends exercising great
care when establishing speed limits 5 mph or more below the basic speed limit.
Engineering and Traffic Surrey
3 City of Rolling Hills
Resolution No. 1115 -8-
SURVEY CONDITIONS
SURVEY LOCATIONS
The procedures described below describe the criteria and methods used to survey selected
streets within the City of Rolling Hills. The specific location of the radar speed survey for
each street segment was selected after considering the following:
1. Minimum stop sign and traffic signal influence.
2. Minimum visibility restrictions.
3. Non -congested traffic flow away from intersections and driveways.
4. Minimum influence from cures or other roadway conditions that would affect
the normal operation of a vehicle.
DATA COLLECTION
Data of existing conditions was obtained including prevailing speed of vehicles, traffic
collisions, visibility restrictions, and roadway conditions within the community. Speed data
and field reviews were conducted at 8 locations during the month of August 2011.
Speed Data
Radar speed measurements were conducted at 8 locations during August 2011. All
surveys were conducted in good weather conditions, during off-peak hours on weekdays.
The radar unit was operated from an unmarked vehicle to minimize any influence on driver
behavior. Typically, a minimum sample size of 100 vehicles or the total samples during a
maximum period of 2 hours were obtained for each segment. Traffic speeds in both
directions were recorded for individual segments and separate surveys were made for
divided roadways.
Engineering and Traffic Survey
4 City of Rolling Hills
Resolution No. 1115 -9-
Collision Data
Collision data was obtained from the City's SW ITRS electronic collision database. For this
study, collision data was used from the latest 3 years of reported accidents from February
1, 2008 to February 1, 2011. The collision rates for the 8 segments are expressed in
accidents per million vehicle miles (A/MVM). To calculate these rates, 24-hour traffic
volumes were collected for each street segment. This information was then entered into
the following formula to determine the collision rate:
R—
Ax1,000,000
tx365 days x1xv
year
A = Number of midblock collisions over time period
R = Collision Rate (accidents/million vehicle miles)
t = Time Period Covered (in years)
I= Length of Segment (miles)
v= Traffic Volume (average daily traffic)
The segment collision rate was then compared to the average statewide collision rate. The
average statewide collision rates was obtained from 2007 Collision Data on California State
Highways.
Field Review Data
A field review was conducted for each of the selected street segments in the City with
consideration for the following factors:
1. Street width and alignment (design speed);
2. Pedestrian activity and traffic flow characteristics;
3. Number of lanes and other channelization and striping patterns;
4. Frequency of intersections, driveways, and on -street parking;
5. Location of stop signs and other regulatory traffic control devices;
6. Visibility obstructions;
7. Land use and proximity to schools;
8. Pedestrian and bicycle usage;
9. Uniformity with existing speed zones and those in adjacent jurisdictions; and
10. Any other unusual condition not readily apparent to the driver.
PI
Resolution No. 1115 -10-
Engineering and Traffic Survey
City of Rolling Hills
1
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ANALYSIS
CRITERIA
Survey data was complied and analyzed to determine the recommended speed limit in
accordance with several criteria contained in The California Manual on Uniform Traffic
Control Devices (California MUTCD) dated January 2010. Some of the criteria used are:
A. The critical speed or 85th percentile speed is that speed at or below which 85
percent of the traffic is moving. This speed is the baseline value in determining
what the majority of drivers believe is safe and reasonable. Speed limits set higher
than the critical speed are not considered reasonable and safe. Speed limits set
lower than the critical speed make a large number of reasonable drivers "unlawful,"
and do not facilitate the orderly flow of traffic. The "basic speed limit" is the nearest
5 mph increment to the 85th percentile speed.
B. The 10 mile per hour (mph) pace speed is the 10 mph increment that contains the
highest percentage of vehicles. It is a measure of the dispersion of speeds across
the range of the samples surveyed. An accepted practice is to keep the speed limit
within the 10 mph pace while considering the critical speed and other factors that
might require a speed lower than the critical speed.
C. The collision rate for each street segment is compared to average collision rates
that can be reasonably expected to occur on streets and highways in other
jurisdictions, in proportion to the volume of traffic per lane mile. These average
collision rates have been developed by the State of California and are considered
reasonable for use in the City of Rolling Hills.
RESULTS AND RECOMMENDATIONS
The Engineering and Traffic Survey Forms, presented in Appendix A, illustrate results of a
thorough evaluation of the available data and recommend a speed limit for each street
segment surveyed. A complete summary of all recommendations is shown in Table 2. In
each case, the recommended speed limit was consistent with the prevailing behavior as
demonstrated by the radar speed measurements. Typically, a speed limit in the upper
range of the 10 -mile pace was selected unless an collision rate significantly higher than
expected was discovered or roadway conditions not readily apparent to the driver were
identified. Any segments with recommended speed limits 5 mph or more below the basic
speed limit are fully explained later in this report.
The Legislature, in adopting Section 22358.5 of the California Vehicle Code (CVC), has
made it clear that physical conditions, such as width, curvature, grade and surface
conditions, or any other condition readily apparent to a driver, in the absence of other
factors, would not be the basis for special downward speed zoning. In these cases, the
basic speed law (CVC Section 22350) is sufficient to regulate such conditions.
Engineering and Traffic Survey
6 City of Rolling Hills
Resolution No. 1115 -11-
The recommendations contained in this Report are intended to establish prima facie speed
limits. Thev are not intended to be absolute for all arevailina conditions. All prima facie
speed violations are actually violations of the basic speed law (Section 22350 of California
Vehicle Code). This statute states that a person shall not drive a vehicle at a speed
greater than is safe having regard for traffic, roadway, and weather conditions. A prima
facie limit is intended to establish a maximum safe speed under normal conditions.
Table 1 summarizes the recommendations for all surveyed segments.
1
Engineering and Traffic Survey
7 City of Covina
Resolution No. 1115 -12-
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* See "Segments with Special Conditions" Section for Comments
8
Engineering and Traffic Survey
City of Rolling Hills
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PORTUGUESE BEND
1 CREST ROAD WEST
WEST, CITY LIMIT
30
37
30
ROAD
PORTUGUESE BEND
2 CREST ROAD EAST
EASTFIELD DRIVE
30
36
30
ROAD
3 EASTFIELD DRIVE
CREST ROAD EAST
CHUCKWAGON ROAD
25
32
25
PALOS VERDES DRIVE
4 EASTFIELD DRIVE
CHUCKWAGON ROAD
25
32
25
EAST
PORTUGUESE BEND
5
CREST ROAD ENV
POPPY TRAIL
30
37
30
ROAD
PORTUGUESE BEND
6
POPPY TRAIL
SADDLEBACK ROAD
30
37
30
ROAD
PORTUGUESE BEND
7 SADDLEBACK ROAD
POPPY TRAIL
25
32
25
ROAD
8 SOUTHFIELD DRIVE
CREST ROAD EAST
PACKSADDLE ROAD
25
29
25
* See "Segments with Special Conditions" Section for Comments
8
Engineering and Traffic Survey
City of Rolling Hills
SEGMENTS WITH SPECIAL CONDITIONS
The following segments surveyed had recommended speed limits that were 5 miles per
hour (mph) or more below the critical speed due to conditions not readily apparent to the
driver. Each segment is discussed below.
Segment #1 — Crest Road West — West City Limit to Portuguese Bend Road
This segment is currently posted at 30 mph and has 1 through lane in each direction with
an ADT of 2,078 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a flat to rolling terrain. The critical speed is 37 mph and would
normally justify a 35 mph posted speed limit. However, due to vertical and horizontal
curves, various hidden driveways, and equestrian traffic that may not be apparent to
unfamiliar drivers, a lower speed limit is prudent. It is recommended that the speed limit
remain at 30 mph for the above reasons.
Segment #2 — Crest Road East — Portuguese Bend Road to Eastfield Drive
This segment is currently posted at 30 mph and has 1 through lane in each direction with
an ADT of 1,961 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a flat to rolling terrain. The critical speed is 36 mph and would
normally justify a 35 mph posted speed limit. However, due to vertical and horizontal
curves, various hidden driveways, and equestrian traffic that may not be apparent to
unfamiliar drivers, a lower speed limit is prudent. It is recommended that the speed limit
remain at 30 mph for the above reasons.
Segment #3 — Eastfield Drive — Crest Road to Chuckwagon Road
This segment is currently posted at 25 mph and has 1 through lane in each direction with
an ADT of 1,081 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a mountainous terrain. The critical speed is 32 mph and would
normally justify a 30 mph posted speed limit. However, due to vertical and horizontal
curves with steep grades, a higher than expected accident rate, various hidden driveways,
and equestrian traffic that may not be apparent to unfamiliar drivers, a lower speed limit is
prudent. It is recommended that the speed limit remain at 25 mph for the above reasons.
Segment #4 — Eastfield Drive — Chuckwagon Road to Palos Verdes Drive East
This segment is currently posted at 25 mph and has 1 through lane in each direction with
an ADT of 1,370 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a mountainous terrain. The critical speed is 32 mph and would
normally justify a 30 mph posted speed limit. However, due to vertical and horizontal
curves with steep grades, various hidden driveways, and equestrian traffic that may not be
apparent to unfamiliar drivers, a lower speed limit is prudent. It is recommended that the
speed limit remain at 25 mph for the above reasons.
Engineering and Traffic Survey
9 City of Rolling Hills
Resolution No. 1115 -14-
Segment #5 — Portuguese Bend Road — Crest Road to Poppy Trail
This segment is currently posted at 30 mph and has 1 through lane in each direction with
an ADT of 2,113 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a mountainous terrain. The critical speed is 37 mph and would
normally justify a 35 mph posted speed limit. However, due to vertical and horizontal
curves with steep grades, various hidden driveways, and equestrian traffic that may not be
apparent to unfamiliar drivers, a lower speed limit is prudent. It is recommended that the
speed limit remain at 30 mph for the above reasons.
Segment #6 — Portuguese Bend Road — Poppy Trail to Saddleback Road
This segment is currently posted at 30 mph and has 1 through lane in each direction with
an ADT of 2,414 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a mountainous terrain. The critical speed is 37 mph and would
normally justify a 35 mph posted speed limit. However, due to vertical and horizontal
curves with steep grades, various hidden driveways, and equestrian traffic that may not be
apparent to unfamiliar drivers, a lower speed limit is prudent. It is recommended that the
speed limit remain at 30 mph for the above reasons.
Segment #7 — Saddleback Road — Poppy Trail to Portuguese Bend Road
This segment is currently posted at 25 mph and has 1 through lane in each direction with
an ADT of 188 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a mountainous terrain. The critical speed is 32 mph and would
normally justify a 30 mph posted speed limit. However, due to vertical and horizontal
curves with steep grades, a higher than expected accident rate, various hidden driveways,
and equestrian traffic that may not be apparent to unfamiliar drivers, a lower speed limit is
prudent. It is recommended that the speed limit remain at 25 mph for the above reasons.
Segment #8 — Southfield Drive — Crest Road to Packsaddle Road
This segment is currently posted at 25 mph and has 1 through lane in each direction with
an ADT of 428 vehicles per day. The adjacent land uses are of rural -residential and
equestrian nature in a mountainous terrain. The critical speed is 29 mph and would
normally justify a 30 mph posted speed limit. However, due to vertical and horizontal
curves with steep grades, various hidden driveways, and equestrian traffic that may not be
apparent to unfamiliar drivers, a lower speed limit is prudent. It is recommended that the
speed limit remain at 25 mph for the above reasons.
Engineering and Traffic Survey
10 City of Rolling Hills
Resolution No. 1115 -15-
LEGISLATIVE REFERENCES
APPLICABLE SECTIONS OF CALIFORNIA VEHICLE CODE
SECTION 1. Section 627 of the Vehicle Code:
Section 627.
(a) "Engineering and traffic survey,"as used in this code, means a survey of highway and traffic
conditions in accordance with methods determined by the Department of Transportation for
use by state and local authorities.
(b) An engineering and traffic surrey shall include, among other requirements deemed
necessary by the department, consideration of all of the following:
(1) Prevailing speeds as determined by traffic engineering measurements.
(2) Accident records.
(3) Highway, traffic, and roadside conditions not readily apparent to the driver.
(c) When conducting an engineering and traffic survey, local authorities, in addition to the
factors set forth in paragraphs (1) to (3), inclusive, of subdivision (b) may consider all of the
following:
(1) Residential density, if any of the following conditions exist on the particular portion of
highway and the property contiguous thereto, other than a business district:
a. Upon one side of the highway, within a distance of a quarter of a mile, the
contiguous property fronting thereon is occupied by 13 or more separate
dwelling houses of business structures.
b. Upon both sides of the highway, collectively, within a distance of a quarter of
a mile, the contiguous property fronting thereon is occupied by 16 or more
separate dwelling houses or business structures.
C. The portion of highway is longer than one-quarter of a mile but has the ratio
of separate dwelling houses or business structures to the length of the
highway described in either subparagraph (A) or (B).
(2) Pedestrian and bicyclist safety.
Basic Speed Law
22350. No person shall drive a vehicle upon a highway at a speed greater than is reasonable or
prudent having due regard for weather, visibility, the traffic on, and the surface and width of, the
highway, and in no event at a speed which endangers the safety of persons or property.
Speed Law Violations
Section 22351.
(a) The speed of any vehicle upon a highway not in excess of the limits specified in Section
22352 or established as authorized in this code is lawful unless clearly proved to be in
violation of the basic speed law.
(b) The speed of any vehicle upon a highway in excess of the prima facie speed limits in Section
22352 or established as authorized in this code is prima facie unlawful unless the defendant
Engineering and Traffic Survey
11 City of Rolling Hills
Resolution No. 1115 -16-
establishes by competent evidence that the speed in excess of said limits did not constitute a
violation of the basic speed law at the time, place and under the conditions then existing.
Prima Facie Speed Limits
Section 22352.
(a) The prima facie limits are as follows and shall be applicable unless changed as authorized in
this code and, if so changed, only when signs have been erected giving notice thereof:
(1) Fifteen miles per hour:
A) When traversing a railway grade crossing, if during the last 100 feet of the
approach to the crossing the driver does not have a clear and unobstructed view of
the crossing and of any traffic on the railway for a distance of 400 feet in both
directions along such railway. This subdivision does not apply in the case of any
railway grade crossing where a human flagman is on duty or a clearly visible
electrical or mechanical railway crossing signal device is installed but does not then
indicate the immediate approach of a railway train or car.
B) When traversing any intersection of highways, if during the last 100 feet of the
driver's approach to the intersection, the driver does not have a clear and
unobstructed view of the intersection and of any traffic upon all of the highways
entering the intersection for a distance of 100 feet along all those highways, except at
an intersection protected by stop signs or yield right-of-way signs or controlled by
official traffic control signals.
C) On any alley.
(2) Twenty-five miles per hour:
A) On any highway other than a state highway, in any business or residence district
unless a different speed is determined by local authority under procedures set forth in
this code.
(B) When approaching or passing a school building or the grounds thereof,
contiguous to a highway and posted with a standard "SCHOOL" warning sign, while
children are going to or leaving the school either during school hours or during the
noon recess period. The prima facie limit shall also apply when approaching or
passing any school grounds which are not separated from the highway by a fence,
gate or other physical barrier while the grounds are in use by children and the
highway is posted with a standard "SCHOOL" warning sign. For purposes of this
subparagraph, standard "SCHOOL" warning signs may be placed at any distance up
to 500 feet away from school grounds.
(C) When passing a senior center or other facility primarily used by senior citizens,
contiguous to a street other than a state highway and posted with a standard
"SENIOR" warning sign. A local authority is not required to erect any sign pursuant to
this paragraph until donations from private sources covering those costs are received
and the local agency makes a determination that the proposed signing should be
implemented. A local authority may, however, utilize any other funds available to it to
pay for the erection of those signs.
(b) This section shall become operative on March 1, 2001.
Engineering and Traffic Survey
12 City of Rolling Hills
Resolution No. 1115 -17-
Increase of Local Speed Limits to 65 Miles Per Hour
Section 22357.
(a) Whenever a local authority determines upon the basis of an engineering and traffic survey
that a speed greater than 25 miles per hour would facilitate the orderly movement of
vehicular traffic and would be reasonable and safe upon any street other than a state
highway otherwise subject to a prima facie limit of 25 miles per hour, the local authority may
by ordinance determine and declare a prima facie speed limit of 30, 35, 40, 45, 50, 55 or 60
miles per hour or a maximum speed limit of 65 miles per hour, whichever is found most
appropriate to facilitate the orderly movement of traffic and is reasonable and safe. The
declared prima facie or maximum speed limit shall be effective when appropriate signs
giving notice thereof are erected upon the street and shall not thereafter be revised except
upon the basis of an engineering and traffic survey. This section does not apply to any 25
mile per hour prima facie limit, which is applicable when passing a school building or the
grounds thereof or when passing a senior center or other facility primarily used by senior
citizens.
(b) This section shall become operative on the date specified in subdivision (c) of Section
22366.
Downward Speed Zoning
Section 22358.5.
It is the intent of the Legislature that physical conditions such as width, curvature, grade and surface
conditions, or any other condition readily apparent to a driver, in the absence of other factors, would
not require special downward speed zoning, as the basic rule of Section 22350 is sufficient
regulation as to such conditions.
Boundary Line Streets
Section 22359.
With respect to boundary line streets and highways where portions thereof are within different
jurisdictions, no ordinance adopted under Sections 22357 and 22358 shall be effective as to any
such portion until all authorities having jurisdiction of the portions of the street concerned have
approved the same. This section shall not apply in the case of boundary line streets consisting of
separate roadways within different jurisdictions.
Speed Trap Prohibition
Section 40801.
No peace officer or other person shall use a speedtrap in arresting, or participating or assisting in
the arrest of, any person for any alleged violation of this code nor shall any speed trap be used in
securing evidence as to the speed of any vehicle for the purpose of an arrest or prosecution under
this code.
Engineering and Traffic Survey
13 City of Rolling Hills
Resolution No. 1115 -18-
Speed Trap
Section 40802.
(a) A "speed trap" is either of the following:
(1) A particular section of a highway measured as to distance and with boundaries
marked, designated, or otherwise determined in order that the speed of a vehicle
may be calculated by securing the time it takes the vehicle to travel the known
distance.
(2) A particular section of a highway with a prima facie speed limit that is provided by this
code or by local ordinance under subparagraph (A) of paragraph (2) of subdivision
(a) of Section 22352, or established under Section 22354, 22357, 22358, or 22358.3,
if that prima facie speed limit is not justified by an engineering and traffic survey
conducted within five years prior to the date of the alleged violation, and enforcement
of the speed limit involves the use of radar or any other electronic device that
measures the speed of moving object. This paragraph does not apply to a local
street, road, or school zone.
(b)(1) For purposes of this section, a local street or road is defined by the latest functional usage
and federal -aid system maps submitted to the federal Highway Administration, except that
when these maps have not been submitted, or when the street or road is not shown on the
maps, a "local street or road" means a street or road that primarily provides access to
abutting residential property and meets the following three conditions:
(A) Roadway width of not more than 40 feet.
(B) Not more than one-half mile of a uninterrupted length. Interruptions shall include
official traffic control devices as defined in Section 445.
(C) Not more than one traffic lane in each direction.
(2) For purposes of this section "school zone" means that area approaching or passing a school
building or the grounds thereof that is contiguous to a highway and on which is posted a
standard "SCHOOL" warning sign, while children are going to or leaving the school either
during school hours or during the noon recess period. "School zone" also includes the area
approaching or passing any school grounds that are not separated from the highway by a
fence, gate, or other physical barrier while the grounds are in use by children if that highway
is posted with a standard "SCHOOL" warning sign.
(c)(1) When all the following criteria are met, paragraph (2) of this subdivision shall be applicable
and subdivision (a) shall not be applicable:
(A) When radar is used, the arresting officer has successfully completed a radar operator
course of not less than 24 hours on the use of police traffic radar, and the course
was approved and certified by the Commission on Peace Officer Standards and
Training.
(B) When laser or any other electronic device is used to measure the speed of moving
objects, the arresting officer has successfully completed the training required in
subparagraph (A) and an additional training course of not less than two hours
approved and certified by the Commission on Peace Officer Standards and Training.
Engineering and Traffic Survey
14 City of Rolling Hills
Resolution No. 1115 -19-
(C)(i) The prosecution proved that the arresting officer complied with subparagraphs (A)
and (B) and that an engineering and traffic survey has been conducted in
accordance with subparagraph (B) of paragraph (2). The prosecution proved that,
prior to the officer issuing the notice to appear, the arresting officer established that
the radar, laser, or other electronic device conformed to the requirements of
subparagraph (D).
(ii) The prosecution proved the speed of the accused was unsafe for the conditions
present at the time of alleged violation unless the citation was for a violation of
Section 22349, 22356, or 22406.
(D) The radar, laser, or other electronic device used to measure the speed of the
accused meets or exceeds the minimal operational standards of the National Traffic
Highway Safety Administration, and has been calibrated within the three years prior
to the date of the alleged violation by an independent certified laser or radar repair
and testing or calibration facility.
(2) A "speed trap" is either of the following:
(A) A particular section of a highway measured as to distance and with boundaries
marked, designated, or otherwise determined in order that the speed of a vehicle
may be calculated by securing the time it takes the vehicle to travel the known
distance.
(B)(i) A particular section of a highway or state highway with a prima facie speed limit that
is provided by this code or by local ordinance under subparagraph (A) of paragraph
(2) of subdivision (a) of Section 22352, or established under Section 22354, 22357,
22358, or 22358.3, if that prima facie speed limit is not justified by an engineering
and traffic survey conducted within one of the following time periods, prior to the date
of the alleged violation, and enforcement of speed limit involves the use of radar or
any other electronic device that measures the speed of moving objects:
(1) Except as specified in subclause (II), seven years.
(II) If an engineering and traffic survey was conducted more than seven years
prior to the date of the alleged violation, and a registered engineer evaluates
the section of the highway and determines that no significant changes in
roadway or traffic conditions have occurred including, but not limited to,
changes in adjoining property or land use, roadway width, or traffic volume,
10 years.
(ii) This subparagraph does not apply to a local street, road, or school zone.
Speed Trap Evidence
Section 40803.
(a) No evidence as to the speed of a vehicle upon a highway shall be admitted in any court upon
the trial of any person in any prosecution under this code upon a charge involving the speed
of a vehicle when the evidence is based upon or obtained from or by the maintenance or use
of a speedtrap.
Engineering and Traffic Survey
15 City of Rolling Hills
Resolution No. 1115 -20-
1
(b) In any prosecution under this code of a charge involving the speed of a vehicle, where
enforcement involves the use of radar or other electronic devices which measure the speed
of moving objects, the prosecution shall establish, as part of its prima facie case, that the
evidence or testimony presented is not based upon a speed trap as defined in paragraph (2)
of subdivision (a) of Section 40802.
(c) When a traffic and engineering survey is required pursuant to paragraph (2) of subdivision
(a) of Section 40802, evidence that a traffic and engineering survey has been conducted
within five years of the date of the alleged violation or evidence that the offense was
committed on a local street or road as defined in paragraph (2) of subdivision (a) of Section
40802 shall constitute a prima facie case that the evidence or testimony is not based upon a
speed trap as defined in paragraph (2) subdivision (a) of Section 40802.
Engineering and Traffic Survey
16 City of Rolling Hills
Resolution No. 1115 -21-
APPENDIX A
Street Segment Data
Engineering and Traffic Survey
City of Rolling Hills
Resolution No. 1115 -22-
1
1
1
1
F�
CITY OF ROLLING HILLS [ �j
ENGINEERING AND TRAFFIC SURVEY
STREET CREST ROAD WEST
FROM WEST CITY LIMIT
SPEED FACTORS
Date of Speed Survey
Time of Speed Survey
50th Percentile Speed (Mean Speed)
85th Percentile Speed
10 mph Pace Speed
Percentage of Vehicles in Pace
Number of Survey Samples
COLLISION HISTORY
Number of Years Studied
Total Collisions
Annual Collision Rate
Collisions per Million Vehicle Miles
TRAFFIC FACTORS
Average Daily Traffic
Number of Lanes
Type of Traffic Control: "STOP"
Crosswalks?
CERTIFICATION DATE 9/22/2011
TO PORTUGUESE BEND ROAD
8/16/2011 Posted Speed Limit 30 mph
13:35 Speed Justification
32 mph VERT & HORIZ CURVES,
37 mph EQUESTRIAN, HIDDEN DWYS
28-37 Recommended Speed Limit 30 mph
81
103
3 years
0
0 accidents/year
0.000
2,078 Date Counted 9/7/2011
2, DYCL, BROKEN YCL
WEST CITY LIMIT, PORTUGUESE BEND ROAD
NONE
Pedestrian Traffic OCCASIONAL, EQUINE
Truck Traffic LIGHT
On -Street Parking OFF-STREET ON SHOULDERS
Sidewalks? DIRT SHLDRS, ROLLED CURB
Driveways? YES, SOME HIDDEN
ROADWAY FACTORS
Length of Segment
Width
Vertical Curve?
Horizontal Curve?
Visibility
Roadway Conditions
Lighting
Adjacent Land Use
0.990 miles
22 feet
SLIGHTLY ROLLING
MODERATELY WINDING CURVE
LIMITED AT CURVES
GOOD
NONE
RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: I, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered in the State of California as a Professional Engineer (Traffic).
C1 /Zz /� ( TE 2341
Vanessa Munoz Date State Registration Number
Resolution No. 1115
-23-
CITY OF ROLLING HILLS
ENGINEERING AND TRAFFIC SURVEY
STREET CREST ROAD EAST CERTIFICATION DATE 9/22/2011
FROM PORTUGUESE BEND ROAD TO EASTFIELD DRIVE
SPEED FACTORS
Date of Speed Survey 8/16/2011 Posted Speed Limit 30 mph
Time of Speed Survey 11:03 Speed Justification
50th Percentile Speed (Mean Speed) 32 mph VERT & HORIZ CURVES,
85th Percentile Speed 36 mph EQUESTRIAN, HIDDEN DWYS
10 mph Pace Speed 28-37 Recommended Speed Limit 30 mph
p
Percentage of Vehicles in Pace 88
Number of Survey Samples 106
COLLISION HISTORY
Number of Years Studied 3 years
Total Collisions 1
Annual Collision Rate 0.33 accidents/year
Collisions per Million Vehicle Miles 0.395
TRAFFIC FACTORS
Average Daily Traffic
1,961 Date Counted 9/7/2011
Width
Number of Lanes
2, DYCL, BROKEN YCL
SLIGHTLY ROLLING
Type of Traffic Control: "STOP"
@ PORTUGUESE BEND RD, SOUTHFIELD DR, EASTFIELD DR
Visibility
Crosswalks?
@ CABALLEROS RD; HORSE XING: GEORGEFF RD
GOOD
Pedestrian Traffic
OCCASIONAL, EQUINE
Adjacent Land Use
Truck Traffic
LIGHT
On -Street Parking
OFF-STREET ON SHOULDERS
Sidewalks?
DIRT SHLDRS, ROLLED CURB
Driveways?
YES, SOME HIDDEN
ROADWAY FACTORS
Length of Segment
1.180 miles
Width
22 feet
Vertical Curve?
SLIGHTLY ROLLING
Horizontal Curve?
TIGHTLY WINDING CURVE
Visibility
LIMITED AT CURVES
Roadway Conditions
GOOD
Lighting
NONE
Adjacent Land Use
RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: i, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered In the State of California as a Professional Engineer (Traffic).
1 , I Z �/I TE 2341
Vanessa Munoz Date State Registration Number
Resolution No. 1115 -24-
ROADWAY FACTORS
Length of Segment 0.960 miles
Width 22 feet
Vertical Curve? DWNHILL N/B, MOUNTAINOUS
Horizontal Curve? TIGHTLY WINDING CURVES
Visibility BLIND CURVES, HIDDEN DWYS
Roadway Conditions GOOD
Lighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: I, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered in t State of California as a Professional Engineer (Traffic).
1 / ZZ/j 1 TE 2341
Vanessa Munoz Date State Registration Number
Resolution No. 1115 -25-
CITY OF ROLLING HILLS ( 3
ENGINEERING AND TRAFFIC SURVEY
STREET EASTFIELD DRIVE
CERTIFICATION DATE 9/22/2011
FROM CREST ROAD
TO CHUCKWAGON ROAD
SPEED FACTORS
Date of Speed Survey
8/16/2011 Posted Speed Limit 25 mph
Time of Speed Survey
9:15 Speed Justification
50th Percentile Speed (Mean Speed)
29 mph VERT & HORIZ CURVES, HIGH
85th Percentile Speed
32 mph ACCIDENT RATE, HIDDEN DWYS
10 mph Pace Speed
24-33 Recommended Speed Limit 25 mph
Percentage of Vehicles in Pace
82
Number of Survey Samples
111
COLLISION HISTORY
Number of Years Studied
3 years
Total Collisions
2
Annual Collision Rate
0.67 accidents/year
Collisions per Million Vehicle Miles
1.760
TRAFFIC FACTORS
Average Daily Traffic
1,081 Date Counted 9/7/2011
Number of Lanes
2, DYCL
Type of Traffic Control: "STOP"
@ CREST RD, OPEN BRAND RD, HACKAMORE RD, CHUCKWAG
Crosswalks?
®OPEN BRAND; HORSE XING N/O HACKAMORE RD
Pedestrian Traffic
OCCASIONAL, EQUINE
Truck Traffic
LIGHT
On -Street Parking
OFF-STREET ON SHOULDERS
Sidewalks?
DIRT SHLDRS, ROLLED CURB
Driveways?
YES, SOME HIDDEN
ROADWAY FACTORS
Length of Segment 0.960 miles
Width 22 feet
Vertical Curve? DWNHILL N/B, MOUNTAINOUS
Horizontal Curve? TIGHTLY WINDING CURVES
Visibility BLIND CURVES, HIDDEN DWYS
Roadway Conditions GOOD
Lighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: I, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered in t State of California as a Professional Engineer (Traffic).
1 / ZZ/j 1 TE 2341
Vanessa Munoz Date State Registration Number
Resolution No. 1115 -25-
CITY OF ROLLING HILLS i 41
ENGINEERING AND TRAFFIC SURVEY
STREET EASTFIELD DRIVE CERTIFICATION DATE 9/22/2011
FROM CHUCKWAGON ROAD TO PALOS VERDES DR EAST
SPEED FACTORS
Date of Speed Survey 8/17/2011 Posted Speed Limit 25 mph
Time of Speed Survey 9:25 Speed Justification
50th Percentile Speed (Mean Speed) 28 mph VERT & HORIZ CURVES,
85th Percentile Speed 32 mph EQUESTRIAN, HIDDEN DWYS
10 mph Pace Speed 24-33 Recommended Speed Limit 25 mph
Percentage of Vehicles in Pace 79
Number of Survey Samples 110
COLLISION HISTORY
Number of Years Studied 3 years
Total Collisions 1
Annual Collision Rate 0.33 accidents/year
Collisions per Million Vehicle Miles 0.901
TRAFFIC FACTORS
Average Daily Traffic
1,370 Date Counted 9/7/2011
Number of Lanes
2, DYCL
Type of Traffic Control: "STOP"
Crosswalks?
® CHUCKWAGON RD, OUTRIDER RD, PVDE
HORSE XING SOUTH OF OUTRIDER RD
Pedestrian Traffic
OCCASIONAL, EQUINE
Truck Traffic
LIGHT
On -Street Parking
OFF-STREET ON SHOULDERS
Sidewalks?
DIRT SHLDRS, ROLLED CURB
Driveways?
YES, SOME HIDDEN
ROADWAY FACTORS
Length of Segment 0.740 miles
Width 22 feet
Vertical Curve? DWNHILL N/B, MOUNTAINOUS
Horizontal Curve? TIGHTLY WINDING CURVES
Visibility BLIND CURVES, HIDDEN DWYS
Roadway Conditions GOOD
Lighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: 1, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered i the State of California as a Professional Engineer (Traffic).
TE 2341
Vanessa Muno Date State Registration Number
Resolution No. 1115 -26-
ROADWAY FACTORS
CITY OF ROLLING HILLS
0.980 miles
ENGINEERING AND TRAFFIC SURVEY
Width
STREET PORTUGUESE BEND
ROAD CERTIFICATION DATE 9/22/2011
Vertical Curve?
FROM CREST ROAD
TO POPPY TRAIL
Horizontal Curve?
SPEED FACTORS
Visibility
Date of Speed Survey
8/17/2011 Posted Speed Limit 30 mph
Roadway Conditions
Time of Speed Survey
10:38 Speed Justification
Lighting
50th Percentile Speed (Mean Speed)
33 mph VERT & HORIZ CURVES,
Adjacent Land Use
85th Percentile Speed
37 mph EQUESTRIAN, HIDDEN DWYS
Field Study By JL
10 mph Pace Speed
28-37 Recommended Speed Limit 30 mph
CERTIFICATION: I, Vanessa Munoz,
Percentage of Vehicles In Pace
82
the City of Rolling Hills was performed
Number of Survey Samples
107
registered in the State of California as a Professional Engineer (Traffic).
COLLISION HISTORY
Number of Years Studied
3 years
9 /z, Z/1 I TE 2341
Total Collisions
0
Date State Registration Number
Annual Collision Rate
0 accidents/year
Collisions per Million Vehicle Miles
0.000
TRAFFIC FACTORS
Average Daily Traffic
2,113 Date Counted 9/7/2011
Number of Lanes
2, DYCL
Type of Traffic Control: "STOP"
@ CREST ROAD
Crosswalks?
HORSE XING:S/O POPPY TR, PHEASANT LN; N/O WAGON LN
Pedestrian Traffic
OCCASIONAL, EQUINE
Truck Traffic
LIGHT
On -Street Parking
OFF-STREET ON SHOULDERS
Sidewalks?
DIRT SHLDRS, ROLLED CURB
Driveways?
YES, SOME HIDDEN
ROADWAY FACTORS
Resolution No. 1115 -27-
Length of Segment
0.980 miles
Width
26 feet
Vertical Curve?
STEEP DWNHILL N/B, MTN.
Horizontal Curve?
TIGHTLY WINDING CURVES
Visibility
BLIND CURVES, HIDDEN DWYS
Roadway Conditions
GOOD
Lighting
NONE
Adjacent Land Use
RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL
Checked By VM
CERTIFICATION: I, Vanessa Munoz,
do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed
under my supervision and is accurate and complete. I am duty
registered in the State of California as a Professional Engineer (Traffic).
9 /z, Z/1 I TE 2341
Vanessa Mun z
Date State Registration Number
Resolution No. 1115 -27-
CITY OF ROLLING HILLS L s,
ENGINEERING AND TRAFFIC SURVEY
STREET PORTUGUESE BEND ROAD CERTIFICATION DATE 9/22/2011
FROM POPPY TRAIL TO SADDLEBACK ROAD
SPEED FACTORS
Date of Speed Survey
8/17/2011
Posted Speed Limit 30 mph
Time of Speed Survey
12:55
Speed Justification
50th Percentile Speed (Mean Speed)
33 mph
VERT & HORIZ CURVES,
85th Percentile Speed
37 mph
EQUESTRIAN, HIDDEN DWYS
10 mph Pace Speed
29-38
Recommended Speed Limit 30 mph
Percentage of Vehicles in Pace
85
Number of Survey Samples
108
COLLISION HISTORY
DIRT SHLDRS, ROLLED CURB
Number of Years Studied
3 years
Total Collisions
0
Annual Collision Rate
0 accidents/year
Collisions per Million Vehicle Miles
0.000
TRAFFIC FACTORS
Average Daily Traffic
2,414 Date Counted 9/7/2011
Number of Lanes
2, DYCL
Type of Traffic Control: "STOP"
® SADDLEBACK ROAD
Crosswalks?
NONE
Pedestrian Traffic
OCCASIONAL, EQUINE
Truck Traffic
LIGHT
On -Street Parking
OFF-STREET ON SHOULDERS
Sidewalks?
DIRT SHLDRS, ROLLED CURB
Driveways?
YES, SOME HIDDEN
ROADWAY FACTORS
Length of Segment 0.640 miles
Width 26 feet
Vertical Curve? STEEP DWNHILL NB, MTN.
Horizontal Curve? MODERATELY WINDING CURVES
Visibility BLIND CURVES, HIDDEN DWYS
Roadway Conditions GOOD
Lighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: I, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered in t e State of California as a Professional Engineer (Traffic).
9 /zZ/l I TE 2341
Vanessa Muno Date State Registration Number
Resolution No. 1115 -28-
CITY OF ROLLING HILLS E-17
ENGINEERING AND TRAFFIC SURVEY
STREET SADDLEBACK ROAD
FROM POPPY TRAIL
SPEED FACTORS
Date of Speed Survey
Time of Speed Survey
50th Percentile Speed (Mean Speed)
85th Percentile Speed
10 mph Pace Speed
Percentage of Vehicles in Pace
Number of Survey Samples
COLLISION HISTORY
Number of Years Studied
Total Collisions
Annual Collision Rate
Collisions per Million Vehicle Miles
TRAFFIC FACTORS
Average Daily Traffic
Number of Lanes
Type of Traffic Control: "STOP"
Crosswalks?
Pedestrian Traffic
Truck Traffic
On -Street Parking
Sidewalks?
Driveways?
ROADWAY FACTORS
Length of Segment
Width
Vertical Curve?
Horizontal Curve?
Visibility
Roadway Conditions
Lighting
Adjacent Land Use
CERTIFICATION DATE 9/22/2011
TO PORTUGUESE BEND ROAD
8/17/2011 Posted Speed Limit 25 mph
7:12 Speed Justification
28 mph VERT & HORIZ CURVES, HIGH
32 mph ACCIDENT RATE; HIDDEN DWYS
24-33 Recommended Speed Limit 25 mph
83
65
3 years
3
1 accidents/year
10.875
188 Date Counted 9/7/2011
2, DYCL, BROKEN YCL
PORTUGUESE BEND ROAD (BOTH ENDS)
HORSE XING WEST OF POPPY TRAIL
OCCASIONAL, EQUINE
LIGHT
OFF-STREET ON SHOULDERS
DIRT SHLDRS, ROLLED CURB
YES, SOME HIDDEN
1.340 miles
18 feet
STEEP DWNHILL W/B, MTN.
TIGHTLY WINDING CURVES
BLIND CURVES, HIDDEN DWYS
FAIR
NONE
RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: I, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered in the State of California as a Professional Engineer (Traffic).
�- 9 / ZZ/ I, j TE 2341
Vanessa Munoz Date State Registration Number
Resolution No. 1115 -29-
CITY OF ROLLING HILLS 1 '81
ENGINEERING AND TRAFFIC SURVEY
STREET SOUTHFIELD DRIVE
FROM CREST ROAD
SPEED FACTORS
Date of Speed Survey
Time of Speed Survey
50th Percentile Speed (Mean Speed)
85th Percentile Speed
10 mph Pace Speed
Percentage of Vehicles in Pace
Number of Survey Samples
COLLISION HISTORY
Number of Years Studied
Total Collisions
Annual Collision Rate
Collisions per Million Vehicle Miles
TRAFFIC FACTORS
Average Daily Traffic
Number of Lanes
Type of Traffic Control: "STOP"
Crosswalks?
Pedestrian Traffic
Truck Traffic
On -Street Parking
Sidewalks?
Driveways?
CERTIFICATION DATE 9/22/2011
TO PACKSADDLE ROAD
8/16/2011 Posted Speed Limit 25 mph
7:i0 Speed Justification
25 mph VERT & HORIZ CURVES,
29 mph EQUESTRIAN, HIDDEN DWYS
21-30 Recommended Speed Limit 25 mph
89
56
3 years
0
0 accidents/year
0.000
428 Date Counted 9/7/2011
2, DYCL
® PACKSADDLE RD, RINGBIT RD, CREST ROAD
NONE
OCCASIONAL, EQUINE
LIGHT
OFF-STREET ON SHOULDER, WEST SIDE
DIRT SHLDRS, ROLLED CURB
YES, SOME HIDDEN
ROADWAY FACTORS
Length of Segment 0.500 miles
Width 24 feet
Vertical Curve? STEEP DWNHILL S/B, MTN.
Horizontal Curve? MODERATELY WINDING CURVES
Visibility BLIND CURVES, HIDDEN DWYS
Roadway Conditions FAIR
Lighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field Study By JL Checked By VM
CERTIFICATION: I, Vanessa Munoz, do hereby certify that this Engineering and Traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and complete. I am duly
registered in the State of California as a Professional Engineer (Traffic).
ZZA I TE 2341
Vanessa Munoz \ Date State Registration Number
Resolution No. 1115 -30-
1
1
1
1
Radar Speed Distribution Forms
Resolution No. 1115 -31-
Engineering and Traffic Survey
City of Rolling Hills
Street CREST ROAD WEST
Limits West City Limit to Portuguese Bend Rd
Surveyed at 16 Crest Road West
Direction Eastbound & Westbound
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/16/2011
Begin 13:35 End 14:27
Weather Clear
Recorded by J.L.
MPH NUMBER OF VEHICLES
5 10 15 20
65
60
55
50-
45
40 o
X 0 0
.0 0 X 0 0 0
0 0 0 X X 0
X X 0 0 X 0
35 0 0 X X 0 x
-X X 0 X X X
X X X X X 0 X 0 X 0
x x 0 x 0 0 x x 0 x x x
X X 0 0 X 0 X X
30 o x o o x o x x o x x
X 0 X X X X X X 0 X
X 0 X X 0 X X X
-0 X X
X X X
25 0 X
X
X
20
15
X - East/North bound
25
50th %
32 MPH
85th %
37 MPH
Average
32 MPH
10MPH
28 37
% in Pace 81%
Number of
Percent of
Cumulative
30 Vehicles
Total
Percentage
0
0%
100.0%
0
0%
100.0% _
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
1
1 %
100.0%
3
3%
99.0%
6
6%
96.1%
6
6%
90.3%
6
6%
84.5%
6
6%
78.6%
6
6%
72.8%
10
10%
67.0%
12
12%
57.3%
a
8%
45.6%
11
11%
37.9%
10
10%
27.2%
8
8%
17.5%
3
3%
9.7%
3
3%
6.8%
2
2%
3.9%
1
1 %
1.9%
1
1%
1.0%
0
0%
0.0%,
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%-_
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0 - West/South Bound Total Observed 103 100
Resolution No. 1115 -32-
1
1
Street CREST ROAD EAST
Limits Portuguese Bend Rd to Eastfield Dr
Surveyed at 30 Crest Road East
Direction Eastbound and Westbound
MPH
65
60
55
50
0
45
0 X
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/16/2011
Begin 11:03 End 11:55
Weather Clear
Recorded by J.L.
NUMBER OF VEHICLES
5 10 15 20 25
40 0
X 0
0 X X 0
0 X
X 0 X 0 X 0 0 X
35 o o x x x x o o
0 X 0 X 0 0 0 0
X X X X 0 0 0 X 0 X 0 X
X X 0 X X X 0 X 0 X 0 0 0 0
0 X 0 0 X X 0 X 0 0 X 0
30 0 x 0 0 x X X 0 X X o o X x
0 X 0 X 0 X 0 0 0 0
0 0 0 0 0
X
0
25 o
20
15
X - East/North bound
0 - West/South Bound
Resolution No. 1115 -33-
50th %
32 MPH
85th %
36 MPH
Average
33 MPH
10MPH
28 37
% in Pace 88%
Number of
Percent of
Cumulative
30 Vehicles
Total
Percentage
0
00/0
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
1
1%
100.0%
0
0%
99.1%
0
0%
99.1%
0
0%
99.1%
2
2%
99.1%
0
0%
97.2%
1
1 %
97.2%
2
2%
96.2%
4
4%
94.3%
2
2%
90.6%
8
8%
88.7%
8
8%
81.1%
8
8%
73.6%
12
11%
66.0%
14
13%
54.7%
12
11%
41.5%
14
13%
30.2%
10
9%
17.0%
5
5%
7.5%
1
1%
2.8%
1
1%
1.9%
1
1 %
0.9%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
Total Observed 106 100
Street EASTF/ELD DRIVE
Limits Crest Rd East to Chuckwagon Rd
Surveyed at 52 Eastfield Drive
Direction Northbound & Southbound
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/16/2011 50th % 29 MPH
Begin 9:15 End 10:58 85th % 32 MPH
Weather Clear Average 29 MPH
Recorded by J.L. 10MPH 24 33
MPH NUMBER OF VEHICLES
5 10 15 20
65
60:
55
50
45
40
X 0
0
35 X 0 X
X X 0 0
X 0 X 0 X X 0
0 0 X X 0 0 0 X
X 0 X X 0 0 0 X
30 X 0 0 0 X X 0 0 X 0 0 X
X X 0 0 X 0 0 0 X 0 X X
0 0 0 X 0 X 0 0 X X
0 0 X X 0 0 0 X 0 X
.0 X 0 0 0 0 X 0 0 X
25 X 0 0 X X X 0 0 X
X 0 0 0 X
X 0 X 0
0 0 X 0
0
20=X
15
X - East/North bound
0 - West/South Bound
Resolution No. 1115 -34-
% In Pace
82%
Number of
Percent of
Cumulative
25 30 Vehicles
Total
Percentaqe
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0% _
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%-
00.0%-0
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
2
2%
100.0%
1
1%
98.2%
3
3%
97.3%
4
4%
94.6%
7
6%
91.0%
8
7%
84.7%
8
7%
77.5%
12
11%
70.3%
12
11%
59.5%
10
9%
48.6%
10
9%
39.6%
10
9%
30.6%-
9
8%
21.6%
5
5%
13.5%
4
4%
9.0%-
4
4%
5.4%
1
1%
1.8%-
1
1 %
0.9%
0
0%
0.0%-
0
0%
0.0%:
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
Total Observed 111 100
1
1
1
Street EASTF/ELD DRIVE
Limits Chuckwaqon Rd to Palos Verdes Dr E
Surveyed at 15 Eastfield Drive
Direction Northbound & Southbound
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/17/2011 50th % 28 MPH
Begin 9:25 End 10:27 85th % 32 MPH
Weather Clear Average 28 MPH
Recorded by J.L. 10MPH 24 33
% in Pace 79%
NUMBER OF VEHICLES Number of Percent of Cumulative
5 10 15 20 25 30 Vehicles Total Percentaqe I]
0 0 0 0
35 0 X 0 0 0
0 0 X
X X X X
X X 0 X X
0 0 0 0 X 0 0 X
30 0 0 0 X 0 X X 0 0 X X 0
0 0 0 0 X X X X X 0
X 0 0 X 0 0 0 X X X
X X X X X X X 0 X 0 X
X X X 0 X 0 0 X X X 0
25 X X X 0 X X X X 0 X 0
X 0 X X 0
X X 0
0 0 0
X X
20 X 0
15
X - East/North bound
0
MPH
100.0%
65
0%
60
0
55
100.0%
50
0%
45
0
40 0
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/17/2011 50th % 28 MPH
Begin 9:25 End 10:27 85th % 32 MPH
Weather Clear Average 28 MPH
Recorded by J.L. 10MPH 24 33
% in Pace 79%
NUMBER OF VEHICLES Number of Percent of Cumulative
5 10 15 20 25 30 Vehicles Total Percentaqe I]
0 0 0 0
35 0 X 0 0 0
0 0 X
X X X X
X X 0 X X
0 0 0 0 X 0 0 X
30 0 0 0 X 0 X X 0 0 X X 0
0 0 0 0 X X X X X 0
X 0 0 X 0 0 0 X X X
X X X X X X X 0 X 0 X
X X X 0 X 0 0 X X X 0
25 X X X 0 X X X X 0 X 0
X 0 X X 0
X X 0
0 0 0
X X
20 X 0
15
X - East/North bound
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
1
1%
100.0%
0
0%
99.1%
0
0%
99.1%
0
0%
99.1%
4
4%
99.1%
5
5%
95.5%
3
3%
90.9%
4
4%
88.2%
5
5%
84.5%
a
7%
80.0%
12
11%
72.7%
10
9%
61.8%
10
9%
52.7%
11
10%
43.6%
11
10%
33.6%
11
10%
23.6%
5
5%
13.6%
3
3%
9.1%
3
3%
6.4%
2
2%
3.6%
2
2%
1.8%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0 - West/South Bound Total Observed 110 100
Resolution No. 1115 -35-
Resolution No. 1115 -36-
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Street PORTUGUESE BEND ROAD
Limits Crest Rd to Poppy Trail
Date
Begin 10:38
8/17/2011
End 11:33
50th %
85th %
33
37
MPH
MPH
Surveyed at N/O of Wagon Lane
Weather
Clear
Average
33
MPH
Direction Northbound & Southbound
Recorded by
J.L.
10MPH
28
37
% in Pace
82%
MPH NUMBER OF VEHICLES
Number of
Percent of
Cumulative
5 10 15
20
25 30
Vehicles
Total
Percentage
65
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
60
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
55
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
=
0
0%
100.0%
50
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
45
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
X
1
1%
100.0%
40 x x
2
2%
99.1%
0 x 0 x x
5
5%
97.2%
0 0 0 X
4
4%
92.5%
0 x x x x
5
5%
88.8%
X 0 0 0 x x x
7
7%
84.1%
35 x x 0 0 x x x x x
9
6%
77.6%
0 0 X 0 0 0 0 X 0 0 0 x x X 0
15
14%
69.2%
0 x 0 X 0 X x 0 0
9
8%
55.1%
0 X 0 0 0 x 0 x 0
9
8%
46.7%
0 x x 0 0 x x x 0
9
8%
38.3%
30 0 x x x 0 0 o x o
9
8%
29.9%
x x X 0 x x x 0 X 0 0
11
10%
21.5%
0 0 0 x 0
5
5%
11.2%
x 0 x
3
3%
6.5%
0 X
2
2%
3.7%-
25 0 x
2
2%
1.9%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
20
0
0%
0.0%-
0
0%
0.0%-
0
0%
0.0% '
0
0
0%
0%
0.0%
0.0%
15
0
0%
0.0%
X - East/North bound 0 - West/South Bound
Total Observed
107
100
W w"
Resolution No. 1115 -36-
Street PORTUGUESE BEND ROAD
Limits Poppy Trail to Saddleback Rd
Surveyed at 19 Portuguese Bend Road
Direction Northbound & Southbound
MPH
` 5
65
60
55
50
45
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/17/2011
Begin 12:55 End 13:47
Weather Clear
Recorded by J.L.
NUMBER OF VEHICLES
10 15 20
X
0
X X
40 X 0
0 X 0
0 X X X X 0 0
X 0 0 X X X X X X
0 X 0 0 0 X X 0 X X
35 0 X X X 0 X X X 0
0 0 0 X X 0 X 0 0 X
X X X X 0 0 0 X X 0
X X 0 X 0 X 0 0 0
X X X X X 0 0 0 X X
30 x 0 X x 0 X X x 0
0 X 0 0 0 0 0 0 X
X 0
0 0
0
25 0
0
20
15
X - East/North bound 0 - West/South Bound
Resolution No. 1115 -37-
50th %
33 MPH
85th %
37 MPH
Average
34 MPH
10MPH
29 38
% in Pace 85%
Number of
Percent of
Cumulative
25 30 Vehicles
Total
Percentage
0
0%
100.0%
0
0%
100.0%
0
00/0
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
1
1%
100.0%
1
1 %
99.1%
2
2%
98.1%
2
2%
96.3%
3
3%
94.4%
7
6%
91.7%
9
8%
85.2%
10
9%
76.9%
9
8%
67.6%
10
9%
59.3%
10
9%
50.0%
9
8%
40.7%
10
9%
32.4%
9
8%
23.1%
9
8%
14.8%
2
2%
6.5%
2
2%
4.6%
1
1 %
2.8%
1
1%
1.9%
0
0%
0.9%
1
1 %
0.9%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
Total Observed 108
100
Resolution No. 1115 -38-
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Street SADDLEBACK ROAD
Date 8/17/2011
50th %
28
MPH
Limits Poppy Trail to Portuguese Bend Rd
Begin 7:12 End 9:12
85th %
32
MPH
Surveyed at 35 Saddleback Road
Weather Cloudy & Overcast
Average
28
MPH
Direction Eastbound & Westbound
Recorded by J.L.
10MPH
24
33
% in Pace
83%
MPH + NUMBER OF VEHICLES
Number of
Percent of
Cumulative
5 10 15
20 25 30
Vehicles
Total
Percentaqe
65 _
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%-
60
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
55.
0
0%
100.0°/x'
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
50
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%-
45'
0
0%
100.0%'
0
0%
100.0%
0
0%
100.0%
-
0
0%
100.0%
0
0%
100.0%
40-
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
-
0
0%
100.0%
0
0%
100.0%-
00.0%-35-0
35-oo
2
3%
100.0%
0 0
2
3%
96.9%
-0 x 0 0
4
6%
93.8%
0 0 0 0
4
6%
87.7%
0 x 0 0 x 0 0
7
11%
81.5%
30 o x x o o
5
8%
70.8%
0 0 0 X X 0
6
9%
63.1%
x x 0 x 0 x
6
9%
53.8%
x x 0 0 x x
6
9%
44.6%
x 0 x x 0 x
6
9%
35.4%-
25- 0 x x 0 x x 0
7
11%
26.2%-
x x 0
3
5%
15.4%
x X 0
3
5%
10.8%
x 0
2
3%
6.2°/x'
x
1
2%
3.1%-
20-x
1
2%
1.5%
0
0%
0.0%-
0
0%
0.0%_
0
0%
0.0%
0
0%
0.0%
15
0
0%
0.0%
X - East/North bound 0 - West/South Bound Total Observed
65
100
mom
Resolution No. 1115 -38-
Street SOUTHFIELD DRIVE
Limits Crest Road to Packsaddle Road
Surveyed at 3 Southfield Drive
Direction Northbound & Southbound
MPH
65
1
5
0 0
X 0
30 X 0
0 X X
X 0 X 0
0 X X 0 X 0
X X 0 0 X 0
25 0 X X X 0 X X 0 X
X 0 X X 0 X X
X 0 X 0 X X
0 0 X 0
0 0 X
20 0 X
15
X - East/North bound
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/16/2011 50th % 25 MPH
Begin 7:10 End 9:10 85th % 29 MPH
Weather Cloudy & Overcast Average 25 MPH
Recorded by J.L. 10MPH 21 30
% in Pace 89%
NUMBER OF VEHICLES Number of
60
Cumulative
55
Total
50
0
45
100.0%
40
0%
35
1
5
0 0
X 0
30 X 0
0 X X
X 0 X 0
0 X X 0 X 0
X X 0 0 X 0
25 0 X X X 0 X X 0 X
X 0 X X 0 X X
X 0 X 0 X X
0 0 X 0
0 0 X
20 0 X
15
X - East/North bound
CITY Of ROLLING HILLS
SPOT SPEED SURVEY
Date 8/16/2011 50th % 25 MPH
Begin 7:10 End 9:10 85th % 29 MPH
Weather Cloudy & Overcast Average 25 MPH
Recorded by J.L. 10MPH 21 30
% in Pace 89%
NUMBER OF VEHICLES Number of
Percent of
Cumulative
10 15 20 25 30 Vehicles
Total
Percentaqe
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
0
0%
100.0%
2
4%
100.0%
2
4%
96.4%
2
4%
92.9%
3
5%
89.3%
4
7%
83.9%
6
11%
76.8%
6
11%
66.1%
9
16%
55.4%
7
13%
39.3%
6
11%
26.8%
4
7%
16.1%
3
5%
8.9%
2
4%
3.6%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0
0%
0.0%
0 - West/South Bound Total Observed 56
100
Resolution No. 1115
-39-
Collision Rates
Engineering and Traffic Survey
City of Rolling Hills
Resolution No. 1115 -40-
1
Engineering and Traffic Survey
City of Rolling Hills
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CREST ROAD WEST
WEST CITY LIMIT
PORTUGUESE BEND
0
2,078
0.99
0.00
1.30
ROAD
2
CREST ROAD EAST
PORTUGUESE BEND
EASTFIELD DRIVE
1
1,961
1.18
0.39
1.30
ROAD
3
EASTFIELD DRIVE
CREST ROAD EAST
CHUCKWAGON ROAD
2
1,081
0.96
1.76
1.65
4
EASTFIELD DRIVE
CHUCKWAGON ROAD
PALOS VERDES DRIVE
1
1,370
0.74
0.90
1.65
EAST
5
PORTUGUESE BEND
CREST ROAD.E/W
POPPY TRAIL
0
2,113
0.98
0.00
1.65
ROAD
6
PORTUGUESE BEND
POPPY TRAIL
SADDLEBACK ROAD
0
2,414
0.64
0.00
1.65
ROAD
7
SADDLEBACK ROAD
POPPY TRAIL
PORTUGUESE BEND
3
188
1.34
10.88
1.65
ROAD
8
SOUTHFIELD DRIVE
CREST ROAD EAST
PACKSADDLE ROAD
0
428
0.50
0.00
1.65
Engineering and Traffic Survey
City of Rolling Hills
APPENDIX C
Survey Equipment
Engineering and Traffic Survey
City of Rolling Hills
Resolution No. 1115 -42-
1
1
1
SURVEY EQUIPMENT USED
The radar equipment used to collect speed measurements for this survey was a Genesis
VersaPak Hand -Held traffic Radar manufactured by Decatur Electronics, of Decatur,
Illinois. The calibration of the unit was checked before each series of measurements were
taken. Tests of the unit were conducted in accordance with the manufacturer's
specifications. The Genesis VersaPak Hand Held Traffic Radar was last calibrated on
December 2, 2010 by R. H. F, Inc.
Resolution No. 1115 -43-
Engineering and Traffic Survey
City of Rolling Hills