1227.pdf �tESOLUTION 1lTO. 1227
A RESOLUTION OF THE CITY COUNCiL OF THE CITY OF ROLL�NG
H�LLS, CALIF4RNIA, ADOPTING THE 2018 CITYWIDE
ENGINEERING AND TRAFFIC SURVE�.
W�REAS, Section 40�03 {l�) of ttze California Vehicle Code states �laat any prosecution for
traffic enforcement�hat involves the use of radar or other electronic devices to measure the speed of moving
objects shall not b�based on a speed trap;and
WHEREAS, California Vehicle Code Section 40802 (c) provides, in pertinent part, that a "speed
trap" is defined as a particular section of a highway with a speed limit that is not justified by a valid
engineering and traffic survey:
"(2)A"speed trap"is either of the following:
{A) A particular section of a highway measured as to distance and �vith boundaries marked,
designated, ar otherwise determined in order that the speed of a vehicle may be calculated by
securing t�e time it talces 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 ot 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 trai�ic survey conducted within one of ttie
following�e periods, prior to the date of the alleged vioIation, a.nd enforcement of the speed limit
involves the use of radair or any other electronic device that measures the speed of mioving objects:
(I)Except as specif�ed in subclause(II), seven years.
(II} If an engineering and traffic swvey 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 traf�c conditions have occurred, including, but not
�imited to, changes in adjoining property or lan.d use, roadway wicith, or traf�ic volume, 10 years";
and
WHEREAS, the City CounciI of the City of Rolling Hills is autharized to establish speed limits on
privately ovvned and maintained roads loca.ted within the boundaries of the City, as specified by Section
l 0A 1.020 of the City of Rolling Hi11s Municipal Code;and
WHEREAS,the City's Traffic Engineeri.ng Consultant is a registered engineer and has conducted
an engineerirxg and trai�ic survey �hich presents recommendations for speed limits on eight (8) street
segments in the City; and
WHEREAS, the results of the City Traffic Engineex's 2018 survey are �ublished in the
Engineering and Traffic Survey dated March 14, 2018. `The 2015 Study is atta.ched hereto as Ea�hibit "A,"
and incorporated by this reference as though fully set�orth herein;and
WHEREAS, the City of Rollin.g Hills does not desire to increase the speed lirr�its on Saddleback
Road and Eastfield Drive between Chuckwagon Road and Palos Verdes Drive East as presented in Table 1
of the si�udy based on the findings in the City Traffic Engineer's 2018 survey;and
WHEREAS,the City of Roljing Hills does not desire to use radar, laser or other electronic devices
to measure the speed of moving objec�s on Saddleback Road azad Eastfield I]rive between Chuckwagon
Road a�ad Palos Verdes Drive East as prese�ted in Table 1 of the study based on the fmdings in the City
Traff'ic Engineer's 2U 1 S swvey; and
-� WHEREAS,the City of�olling Hil�s desires to continue the use o:f radar, laser and other electronic
devices to measure the speed of moving objects for six out of the remaining eigh#streets or segments listed
in Table 2 of the study (not including streets on Saddleback Road and Eastfeld Drive between
Chuckwagon Road and Pa1os Verdes Drive East as presen�ted in Table 1 of the study}in ord�r to protect the
lives an.d�roperiy of n�aotorists utilizing City streets and to improve enforcement of speed limits within the
City of Rolling Hills.
NOW, THEREFORE, BE IT 12ESOLVED tbat the City Council of the City of Rolling Hills
does hereby fmd, determine and resolve as follows:
SECTION 1. The City Council of the City of Rolling Hills approves and adopts the 2018
Engineering and Traffic Survey as prepared and submitted by Willdan Engineeri.ng, which is incorporated
by reference as though fully set forth herein and attached hez�eto a.s E�ibit"A".
Resolution No. 1227 �1-
SECTION 2. Pursuant to the require�nents of s�bsection (c} of Vehicle Code section 40802, the
2018 Survey shall be effective for a period of seven years and shall ea�pire on the 10�`day of July 2025.
SECTION 3. This Resotution replaces and supersedes Resolutian No. 1115, and all subsequent
Engineering and Traff'ic Suiveys, establishing the prima facie{posted)speed limit.
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 13t1a day of Auguat 2018.
c
May r
ATTEST:
- �
Yv e Hall '
City Clerk
Resolution No. 1227 -2-
STATE OF CALIFORNIA )
COUNTY OF LOS ANGELES ) SS
C�TY OF ROLLING HILLS )
The foregoing Resolution No. 1227 entitled:
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF ROLLING
HILLS, CALIFORNZA, ADOPTING THE 2018 CITYWIDE ENG�NEERING
AND TR.AFFIC SURVEY.
�-� was approved and adopted at a regular r�aeeting of the City Council on August I3, 2018, by the
following roll call vote:
AYES: Dieringer, Mirsch a�nd Wilson.
NOES: None.
ABSENT: Black and Pi�per.
ABSTAIN: None.
�i��
�
Yv tte Hall � �
City Clerk
Resolufion Na. 1227 -3-
EXH[BIT A
(E&T SURVEY)
Resolution No. 1227 -4-
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. . Engin�ering
Resoiution No. 1227 -5-
�W�LLDAN �ding
Engineerir�g ' r�acn
March 14, 2018
Mr. Raymand R. Cruz
Ci#y Manager
City of Rolling Hills
No. 2 Portuguese Bend Road
Rolling Hills, CA 90274
Subject: 2018 Engineering and Traffic Survey
Dear Mr. Cruz:
As re�uested, Willdan has completed an Engineering and Traffic (E&T) Survey to justify
and upcfate the posted speed limits along 8 street segments in the City of Roiling Hiils.
These segments were last surveyed in 201�, and require an up�ate to comply with the 7-
year limitation set forth i� the California Vehicle Code (CVC).
We are pkeased 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 coUector
street system. A summary of #hese recommendations is included in the Analysis.
Supporting documentation for each speed zone recarnmendation is providecf in the
Appendices.
The Report was conduct�d in accordance with applicable pro�isRans of the CVC, following
procedures outlined in the Caiifornia Manual on Uniform Traffic Control Devices{Califorr�ia
MUTCD} dated April 2017, and as required by Section 627 of the CVC. Th� Repart is
intended to satisfy the requirements of 5ection 40802 of the CVC to enable the cantinued
use of radar for trafFc speed enforcement.
We appreciate the opportunity to serve fhe City of Rolling Hills an� the assistance and
cooperation afForded #o us during the course of this study.
Very truly yours,
WI LLDAN Q�oF�ss�� �Q�oF�sstq�
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Vanessa Munoz, P.E., T.E. sr �� sr � c, �
Traffic Engineer 9�F �r v�4 0�� 9,.�, RA�� '` o��
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Enclosure
�ngineering � Oeotechnical � Envlmnmentel � Sustainebllity � Flnaacial { Homefand SecLriry
�•g�-� I �•�S•� I ��562.8952120 J 13191 Crossroada Parkway Nprth,Su�e 4p5,Induslry,CA 91746�443 www.willdan,com
Resalution No. 1227 -6-
TABLE �F CONTEf�TS
P_aae
IPITRODUCTION........................................................................ ...--- 1-2
Elemer�ts of the Eng�neering and Traffc Sunrey........................................ 2-3
SURVEY C�NDlTIONS............................................................................... 4
Su�vey Lacations....-�.............................................�.................................... 4
�Data Coflection.......................................................................... .......... 4
.......
SpeedData ........................�.........................................---....................... 4
CollisionData ......................................................................................... 5
FieldReview Data .................................................................................. 5
ANALYSIS ..................................................:................................................ 6
Criteria........................................�--.........................,................................... 6
Resufts and Recommendations................................................................. 6-7
Table 1-Street Segments With Recommended Speed Changes............... 8
Table 2-Summary of Recommendations.................................................... 9
Segments with Special Conditions............................................................. 1'0-11
LEGiSLATIVE REFERENCES .................................................................... 12
Applicab�e Sections of California Vehicle Code ......................................... 12-17
APPENDIX A - Streef Segment Data
APPENDIX B - Radar 5peed Dis�ribution Forms
- Raw Radar 5peed Distribution Forms
APPENDIX C - Survey Equipment Used
2078 Errgineerrng and Traffrc Survey
Cify of Ro!ling Hills
Resolution No. 1227 -7-
INTRODUCTION
This Engineering and Traffic (E&T} Survey is intend�d to be the basis for the
establishment, revisian, and enforceme�t of speed limits far selected streets wi#hin the City
of Rolling Hills. This E&T Survey pres�enfs recomm�nded speed limits for 8 street
segments in the City of Rolling Hifls. E&T Surveys are required by the Stafe of CalEfomia to
establish i�termediate speed limits an local stree#s and to enforce those limits using radar
or other speed measuring devices. These surveys must be updated e�ery 5 or 7 years to
ensure t�e speeds reflect current conditians as dictated by the Cafifornia Vehicle Code
(CVC}, The CVC also requires that the surveys be conducted based an the methodology
required by The Califor�ia Manual on Uniform Traffc Controf Devices{Cali#ornia MUTCD)
da#ed A�ril 2017.
The survey was requested by the City far the proper posting af speed limits and ta enable
the Sheriff's Department to utilize radar or other electronic speed measuring de�ices for
speed enforcement. CVC Sections 40801 and 40802 require E&T Surveys that verify the
prima facie speed limit before er�forcement by such a de�ice is iegal.�The law further
specifies that these s�arveys be conducted e�ery 5 years. Th�sur�eys can be extended to
7 years provided the City's police officer(s) ha�e com{�leted a 24-hour radar operator
course[CVC 4�802(c}(2)(B)(i)(I)]. Additional[y, some surveys may be extended to 10 years
if a traffic engineer certifies fhat no changes in raadway or traffic cor�ditions�ave occurred
[CVC 40802 {c}(2}{B)(i){II)]. These provisions assure that postec� speed limits are kept
reasonably current,
The E&T Surveys far the City were conducted in accordance with procedures outlined fn
fhe Califarnia MUTCD dated April 2017 and as required by Section 627 of th� CVG. The
Code further dEscribes three elements of an enginesring and traffic survey:
�. Measurement of pre�aifing speed;
2. Accident history; and
3. Roadway characteristics not readily apparent to the motorist.
Posted speed limits are established primariiy to protect the g�neral public from the reckless
and u��redictabie beha�ior of dangerous drivers. Tl�ey provide law enfarcement with a
clearly understood method to identify and aPprehend violators of the basic speed�aw(CVC
Section 22350). T�is law states that"Na person shafl d�ive a �ehicle on a highway at a
speed greater than is reasonable or priaden# ha�ing due regarc! far weather, �isibility, the
traffic on, and the surface and width of tF�e 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 af the basic speed that is reasonable and prudent �nder typical driving
conditions.
, � � ��I�IiP��
2098 Engineerrng and Tra�c Survey
� Cify of Rolling Hills
Resolutian No. 1227 -8-
The basic f�ndamentals#or es:ablish�ng speed limits recognize that the majority of dri�ers
behave in a safe and reasonable manner, and ,therefore, the normal�y caref�l and
comp�tent actions of a reasonable dri�er should be considered legal: Speed limits
established on these fundamentais conform to the consensus #hat thase who drive the
highway d�termine what speed is reasonabie anci safe, not an the judgment of o�e or a
few individuais. A radar speed study is �sua�ly used ta record the prevailing speed of
r�asonable dri�ers.
Speed limits are alsa estabfished to ad�ise dri�rers of conditions which may not be readily
�--- ap�aren� ta a reasonable driv��. For this reason, accident history, roadway canditions,
traffic characteristics, an�land use must also be analyzed befare determining speed�imits.
Speed limit changes are usually made in coordination with physical cha�ges in roadway
conditions ar roadside developmer�ts. Unusually short zones of iess than one-half mile in
length shaufd be avoided to reduce dri�er confusion.
Rdditionally, it is generafly accepted that speed limits cannof be successfully enforced
without�oluntary compiiance by a majority of drivers. Conseq�ently,only the driverwhose
behavior is cfearly out of lir�e wifh #he normal flow o# traffic is usually targeted for
enforc�me�t.
ELEMENTS OF THE ENGINE�RING AND TRAFFIC SURVEY
The California MUTCD dated April 2017 speci�es the methodology ta be used for
corr�pleting E&T 5ur�eys. This methodofogy includes an evaluation of current �ehicle
speeds, accident history and conditions not readily apparent to motorists. The basic
elements of t�he Engineerir�g and Traffic Survey are discussed in more detail as follows:
Speed Sampling
Existit�g �ehicle speeds are surveyed by a certifred radar o�erator with a ealibrated radar
unit in an unmarked vehicle. Speed samples are taken far each segment representing a
statisfically significant sample of current traffic. This data is then evaluated to identify the
distribution of speeds. A key �lement ir� fhe evaluafion is the identi�ication of th� 85th
percentile speed. The 85"' percentiie speed is the speed at or befow which 85 percenf of
the #raffic traveis. This threshold represents what is historicaily found to b�a safe and
reasanable speed for most �rivers �ased or� comman roadway conditions. Therefore, a
speed limit is estabfished at the nearest 5-mile per hour {mph} increment to th� 85th
percentile speed, except as sho�m in the two options below.
Options:
1. T�e posted speed may be reduced by 5 mph from fhe nearest 5 mph increment of
the 85th-percentile speed, in compliance wi#h CVC Section 627 and 22358.5.
2. Far cases in which the nearest 5 mph increment of the 85�"-percentile speed would
require a rounding up, then the speed iim�t may be rounded down to the nearest 5
mph increment below the 85t" percentile speed, if no further reduction is �sed
Refer to CVC Section 21400(b}.
2098 Engineerrng and Tra�c Su�vey
2 City of Rolling Hi115
Resolution No. 1227 -9-
If the speed limit to be posted has had t�e 5 mph reduction applied, then an E&T Survey
shall document in writing the conditions and justi�ication for the lower speed limit. The
reasons for the lower speed limit shall be in compiiance wifh CVC Section 627 and 22358.5
The following examples are pro�ided to explain the appfication of these speed limit criteria:
A. Using Optian 1 a�o�e and first step is ta round down: If the 85t"percentile speed in
a speed survey for a location was 37 mph, then the speea limit would be
established at 35 mph since it is the closest 5 mph increment to the 37 mph speed.
As indicated by the option, this 35 mph established speed limit could be retluced by
5 mph to 30 mph if conditions and justificatior� for using this lower speed limit are
documented in the E&T Survey.
B. Using Opfian 1 above and firs#step is to round up: If the 85� percer�tile speed in a
speed survey for a location was 33 mph, then the speed limit would be established
at 35 mph since it is the closes# 5 mph increment to the 33 mph speed. As
indicated by the option, this 35 mph speed limit could be reduced by 5 mph to 30
mph if the condifions and justification for using fh�s lower speed limit are
documer�#ed in the E&T Survey.
C. Using Option 2 above and first step is to round up: If the 85'" percentile speed in a
speed survey for a locatian was 33 mph, instead of raunding up to 35 mph, the
speed limit can be estabiished at 30 mph, but no further reduct�on can be applied.
Collision History
Reported coliisions are reviewed for each street segment to determine if t�ere is a higher
than average rate of collisions. A segment that has an abo�e-a�erage callisian rate
typically suggests conditions that ar� not readily appa�ent to motarists.
A summary af the collision rates for the S surveyed street segments is provided in Table 2.
Conditions Not R�adily Apparent To Mo#orists
Each street segment is fiefd ins�ected to identify roadway co�ditians t�at may nat be
readily apparent to motorists. A determination is made whe#her any conditions are
significant and warrant the recommencfation of the speed limit 5 mph or more below the
basic speed limit. �t is important to note that the California MUTCD dated April 2Q97
recommends exercising great care when establishing speed �imits 5 tnph or more below
the basic speed limit.
2018 Engineering and Traff'rc Survey
3 City of Rolling Hills
Resolution No. 1227 -10-
SURVEY COIVDITIORlS
SURVEY LOCATIONS
The�racedures described below describe the criteria and methods�sed to survey selected
streets within the City of Rolling Hills. The specific location af the radar speed survey for
each street segment was selected after considering the follawing:
1. Minimum stop sign and traffic signal infl�ence.
2. Minimum �isibiliiy �estrictions.
3. Non-congested traffic flow away from intersections and driveways.
4. Minimum inffuence from curves or other roadway conditions thafiwould affect
the normal opera#ian of a vehicle.
DATA COLLECTION
Data o# existing cor�ditions was obtained including prevailing speed of vehicles, traffic
COIII510t15, visibility restrictions, and roadway conditions within the community. Speed data
and feld reviews were conduc�ed at 8 locations during the month af No�ember 2017
Speed Data
Radar speed measurements were conducted at 8 lacations dunng the month of November
2017. The radar speed distribution fo�ms are in Appendix B. Ail surveys were conduc#ed
in good weather conditions, during off-peak hours an weekdays. The radar unit was
operated from an unmarked vehicle to minimiz� any influence on driver behavior.
Typically, a minimum sample size of 1 QO�ehicles or the#ota! samples during a maximum
period�of 2 hours were obtained for each segment. Traffic speeds in both directions were
recorded for indi�idual segmer�ts.
2078 Engineering and Traf�ic Sunrey
4 City of Rolling Hills
Reso�ution No. 1227 -11-
Calfision Data
Collisian data was ob#ained firam Los Angeies County's SherifPs Department's Coilision
Summary Report. For this study, collision data was used from the latest 4 years of reported
accidents from January 1, 2013 to December 31, 2016. The coflision rates for #he 8
segments are ex�ressed in accidents per millian vehicle miles{AIMVM).To caEculate these
rates,24-hour traffic�olumes were collectec!for each street segment.This infarmation was
then entered into the following farmula to determine fihe collis�on rate:
��ooa,oao
R= '
tx365 d�� xlxv
year
A = Number of midblock collisior�s o�er t�me period
R= Collision Rafe (accidentslmillior� �ehicle miles)
t= Time Period Co�ered (in years}
1= Length af Segment (miles)
v= Traffic Volume (average daily traffic)
The segment collisian rate was then campared to the average statewide collision rate.The
a�erage statewide collision rates were obtained frorn 2014 Callision Data on California
State Highways published by Caltrans.
Field Review Data
A field re�iew was conducted for each af the sefected street segmen#s in the City wifh
consideration for the following factors:
�. Street width and alignment (design speed);
2. Pedestrian acfiivity and traffic flow characteristics;
3. Number of lanes and other channelization and striping patterns;
4. Frequency of intersections, dri�eways, and on-street parking;
5. Location o�stop signs and other regulatory traffic co�trol dev�ces;
6. Visibility obstructions;
7. Land use and proximity to schoa�s;
8. Pedestrian and bicycle usage;
9. Unifarmity with existing speed zanes and fhose in adjacent jurisdictions;and
1 D. Any other unusual condition not readily apparent to the driver.
2018 Engineering and Tr��c Survey
5 Cify of Rolling Hills
Resalution No. 1227 -12-
A�lALYSIS
CRITERIA
Survey data was compiled ar�d analyzed to determine the recommended speed fimit in
accordance with sev�ral criteria contained �n the California MUTCD dated April 2017.
Some of the criteria used are.
-- A. The crRticaf speed or ��th percentile speed is fhat speed af or below which 85
perce�t of the traffic i� moving. This speed is the baseline value in determining
what#he majority of dri��ers befie�e is safe and reasanable. Speed limi#s set higher
than th� critical speed are not cansidered reasonable and safe. Speed limits set
lower than the criticaE sE�eed make a large number ofi reasonable dri�ers"unlaw��l,"
and do no#facifitate the orderly flow of traffic. The"basic speed limit" is the nearest
5 mph increment to the 85th percentile speed.
B. The 10 rnile �er hour(mp�) pace speed is the 10 mph increment that contains#he
highest percentage of r�eh�cles. It is a measure of the dispersion of speeds across
�he range of the sampies surveyed. An accspted practice is to kee�the speed limit
within the 10 mph pac�while cansidering the critical speed and other factors that
might require a speed i�wer than the criticaf s�eed.
C. The collisian rate for e<�ch street segment is compared to average coilision rates
that can be reasanably expected to occur on s4re�ts and highways in o�her
jurisdictions, in proporti�n to the vafume af trafFc �er lane mile. These average
collisian rates ha�e been developed by the State of Califorr�ia and are considered
reasonable for use in ths City of RoRing Hilfs.
RESULTS AND RECOMMENf)ATIONS
The E&T Survey Forms, presented in Appenclix A, illustrate resuits of a thorough
e�aluation of the avaiiable data and recommend a speed limit for eact� street segment
--LL surveyed. A complete summ�ry af all recommendations is showrt in Table 2. In each
case, the recommended spe�d limit was consistent with the prevailing behavior as
demonstrafed by the radar sp€:ed measurements. Typically, a speed limit in the upper
range of the 'f 0-mile pace was selecfed unless a collision rate significantly higher than
expected was discavered or r�adway co�ditions not readiEy appa�ent to the dri�er were
identified. Any segments with recommended s�eed limits 5 mph or more below the basic
speed limit are fully exp�ained later in this report.
The Legislature, in adopting Sectian 22358,5 of tY�e CVC, has made it clear that physical
conditions, such as width, curvature, grade and surface conditions, or a�y other condition
readily apparen# to a dri�er, in the absence of other factors, would not be th� basis fo�
special downward speed zoning. � !n these cases, the basic speed iaw (CVC Section
22350} is sufficien#to regula#e :�uc� conditions.
The recommendations cantaine� in this Report are intended tn establish p�ima facie speed
limits. The are not intended to be absolute for afl revailPn condifions. Afl prima facie
2018 Engineering and Traffic Survey
� City of Rolling Hills
Resol�tion No. 1227 -13-
speed viofations are actuaily�ialations of the basic speed law(CVC 5ection 22350). This
statute states that a person shall not drive a vehicle at a speed greater than is safe havir�g
regard for traffic, roadway, and weather cor�ditio�s. A prima facie limit is intended to
establish a maximum safe speed under norma[ candEtions.
Table 1 ider�tifies the street segments with recommended changes in posted speed limits
and Tabie 2 summarizes the recommendations for all surveyed segments.
2018 Engineering and Tra�c Suniey
� Crty of Rolling Hills
Resolution No. 1227 -14-
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City of Rolling Hills
Resolution No. 1227 -�.5-
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Resolution No. 1227 -16-
SEGMENTS WITH SPEClAL CONDiTIONS
The following segments surveyed had recommended speed fimits that were 5 miles per
hour (mph) or more below the critical speed due#o conditio�s r�o#readily apparent fo the
dfi�er. �ach segment is discussed below.
5egme�t#�f -Crest Road West-West City �imit to Po�tuguese Bend Road
Th�s segment is currently posted at 30 mph and has 1 thro�gh lane in each dir�ction with
an ADT of 1,938 vehicles per day. The adjacent land use is rural residential and
equestrian nature in a flat to rolling terrain. The critical speed is 37 mph a�d would
normally justify a 35 mph posted speed limit. However, due to vertical and horizontal
curves, various hidden driveways, and equestrian traffic tl�at may not bs apparent to
unfamiliar drivers, a lower s�eed limit is prudent. It is �ecommended that fF�e speed limit
r�main a�30 mph for the above reasons.
Segment#2 �- Crest Road East-Port�guese Bend Road to EastField Drive
This segmer�t is ci�rrentiy posted at 30 mph and has 1 thraugh lane in each direction with
an ADT of 1,825 vehicles per day. The adjacent land use is rural resider�tia� and
equestrian nature in a flat to roliing terTain. The critical speed is 37 mph and would
normally justify a 35 mph posted speed limit. How�ver, due to vertical artd horizontal
curves, various hidden driveways, and equestrian traffic that may no# be ap�arenf to
unfamiliar drivers, a lower speed limit is pr�dent. It is recommer�ded that the speed limit
remain at 30 mph for#he aba�e reasons.
Segmen##3 - Eastfeld Drive -Cr�s� Raad to ChucMcwagon Road
This segmer�t is c�rrently posted at 25 mph and has 1 through iane irt each direction with
an ADT of 1,008 vehicles per day. The adjacent land use �s rural residential and
equestrian in a mountainous terrain. The critical speed is 32 mph and would normally
justify a 30 mph pasted speed limit. However, due to vertical and horizontal curves,
various hidden driveways, and equestrian traffic f�at may no# be apparent to unfamiliar
drivers, a lower speed limi�is prudent. It is recommended thaf the speed limit r�main at 25
mph for the above reasons.
Segment#5- Portugu�se Bend Road-Crest Road EIW to Poppy Trail
T�is segment is curren#ly posted at 30 mph and has 1 thraugh lane in eacl� direction with
an ADT of 1,728 vehicles per day. The adjacent land use is rural residential and
equestrian nature in a mountainous terrain. The criticaf s�eed is 35 mph a�d would
normally justi�Fy a 35 m�h posted speed limit. However, due to �ertical and horizontal
curves, vanous hidden driveways, and equestrian traffic that may not be apparent to
unfiamiliar drivers, a lower speed limit is prudent. It is recommended that the speed limit
remain at 30 mph for the above reasons.
2098 Engineering and Traffic Survey
�� City of Rolling Hills
Resolution No. 1227 -17-
Segment#6— Po�tuguese Bend Road — Poppy Trail to SaddEeback Road
This segmer�t is currently posted af 30 mph and has 1 through lane in each direction with
an ADT af 1,978 vehicles per day. The adjacent land use is rural resicient�al and
equestrian nature in a mountainous terrain. The critical speed is 36 mph and would
normally j�stiiy a 35 mph posted speed limit. Howe�er, due to verticaf and horizontal
curves, various hidden dri�eways, and equestria� traffic that may not be ap�arent to
unfamiliar drivers, a lower speed limit is prudent. It is.recommended tl�at the speed limit
remain at 30 mph for the above reasons.
201$Engineering and Traffc Survey
�� City of Ro!ling Hi!!s
Resolution No. 1227 -1$-
LEGISLATIVE REFEREI�CES
APPLICABLE SECTIONS OF CALIFORNIA VEHICLE CQDE
SECTION 9. Section 627 of the Vehicle Code:
Sectior�627.
; (a) "Engineering and fraffic survey,"as used in this code, means a survey of highway and traffic
co�ditions in accordance with methads determined by the DeparEment of Transportation for
use by state and locai au�horities.
(b) An engineering artd traffic survey shall include, among other requiremen#s deemed
necessary by the department, consideration of all of the following:
(1) Prevailing speeds as cfetermined by traffic engineering meas�rements.
(2) Accident records.
{3) Highway, traffrc, and roadside conditions not readily apparent to the driver.
(c) When conduc#ing an engineerrng and traffic survey, local authorities, in addition to t�e
factors set forth i�paragraphs(1)to(3), inclusive,of subdivision (b)may consider all of the
following:
('�) Residential density, if any o�the following conditions exist on ti�e particulaT portion of
highway and the p�operty contiguous thereta, other than a business district:
a. Upon one side of the highway, within a distance of a quarter of a mife, the
conti�uous property fronting thereon is �occupied by 13 or more separate
dwe�ling houses of business structures.
b. Upon both sides of the highway, collectivefy,wi#hin a distance of a quarter of
a mile, tf�e contiguaus praperty Fronting thereon is occupi�d by 96 or more
separate dwelling houses or business structur�s.
c. The portion of i�ighway is longer than ane-quarter of a mile but has the ratio
of separate dwelling houses or business structures to the iength of the
highway described in �it#�er subparagraph {A)or(B).
(2) Pedest�ian and bicyclist safety.
Section 214d0.
(b) 7he Department of Transportation shall revis� the Califiornia Manual on Uni#orm Trafific
Control Devices, as it read on January 1,2012,to require the Department of Transportation
or a focal authority to rourtd speed i�mits to the nearest fve mifes per hour of the 85th
�erce�tile of tF�e#ree-flowing traffic. Nowever, in cases in which the speed limit needs to be
rounded up to the nearest frve miles pe� hour increment of the 85th�percen#ile speed, #he
Department of Transportation or a local authority may decide to instead round down the
s�eed limit ta the lower five miles per hour Pncrement, but then the Department of
Transportatian or a loca!authority shaf!not reduce the speed limit a�yfurther farany reason.
Basic Speed Law
22350. No person shall clrive a�ehicle upon a highway at a speed greater than is reasonable or
pruder�t having due regard for weather, visibility, the traffic on, and the suriace and width of, the
highway, and in no e�ent at a speed whic� endangers the safety of persons ar property,
2078 Engineering and Traf�ic Survey
�2 City of Rolling Hi!!s
Resolut�on No. 1227 -19-
Speed Law Violatians
Section 22351.
(a) 1"he speed ofi any vehicle upo� a highway not in excess of the limits specified in Section
22352 or established as autf�orized i� this code is lawFul unless clearly proved to be in
violatian of the basic speed law.
(b) The speed of any vehicle upon a highway in excess af the prima facie speed limits in Sec#ion
22352 or established as autharized in this code is prima facie unlawful unless the defendant
esta�lishes by comp�tent evidence that the speed in excess of said limits did not constitute a
violation of tt�e basic speed law a#the time, place and under the conditions the� existing.
Prima Facie Speed l�imits
Section 22352.
The prima facie limits are as foilows and shall be applicable unless changed as authorized in this
code and, if sa changed, only when signs ha�e b�en erecf�d giving no#ice thereof:
(a) Fi�teen miles per hour:
(9} When traversing a raifway grade crassing, if during the last 100 feet of th�
appraach to the crossing the driver daes nat have a clear and unobstruct�d view of
the crossing and of any traffic an the railway for a distance of 400 feet in both
directioRs afong such railway. This subdivision does nat apply in the case of any
railway grade crossing where a human flagman is on duty or a cfear�y visible
electrical or mechanical railway crossing signal de�ice is instaffed but does not then
indicate the immediate approach of a railway train ar car.
(2) When tra�ersing any intersection of highways, if during the last 700 feet ot the
driver's approach to the inters�ction, the driver does not have a clear and
unobstructed view of the intersecfion and af any traffc upon afl of the higf�ways
entering the intersection for a distance of 100 feet aiong all those highways,except at
an intersection protected by stop signs or yield right-of-way signs or controlled by
official traffic contro!signais.
(3) On any alley,
(E�) Twer�ty-five miles per haur:
(1) On any highway other than a state highway, in any business or residence district
unless a different speed is determined by locaf authority under procedures set forth in
this code.
(2) When approaching or passing a school building or the grounds thereflf,
contiguous to a highway and posted with a standard"SCHOOL"warning sign,while
children are going #o or leaving the school either during school hours or during #he
noon recess period, The �rima facie limit shall also apply when appraaching or
passing any school grounds which are nat separated from the highway by a fe�ce,
gate or o#her physical harrier while the grounds are in use by children and the
highway is �osted with a standard "SCHOO�" warning sign. For purposes of this
subparagraph,standard"SCHOO�"warning signs may be placed at any distance up
to 500 feet away from school gro�nds.
2018 Engineering and Traffrc Survey
13 City of Ro!ling Hills
Resalution No. 1227 -20-
(3) When passing a senior center or other facility primarily used by senior citizens,
contiguous to a street other than a state highway end posted with a standard
"SENIOR"warning sign.A local authority may erecta sign pursuantto this paragraph
when the local agency makes a determinatian that tFte proposed signing should be
implemented.A locai authori#y may request grant funding from the Pedestrian Safety
Account{�ursuant to Section 894.7 of the Streets a�d Highways Cade, or any other
grant funding available to it, and use that grant funding to pay far #he erection of
those signs, or may utilize any other funds available ta it to pay for the erectio� of
those signs, including, but not iimited to, donations from private sources.
�� 6ncrease of�ocal Speed �imi#s to 65 IWiles Per Hour
Section 22357,
(a) W�enever a locaf authority determines upon the basis nf an engineering and traffic survey
that a spesd greafier than 25 miles per hour woufd facilitate the orderly movement of
vehicular #raffic and would be reasanable and safe upon any street other than a stafe
highway otherwise subjecfi to a prima facie iimit of 25 miles per hour,the local authority may
by ordiroance determine and declare a prima facie speed limit of 30, 35,4D,45, 50, 55 or fi0
miles per F�our or a maximum sp�ed limit of 65 rniles per hour, whichevar is found most
appropriate to facilitate the orderly movement of traffic and is reasonabRe and safe. The
declar�d prima facie or maximum speed iimit shall be efFective when appropriate signs
gi�ing nvfice#hereo�are erected upon the street and shal! not ther�after be revised except
upon the basis of an engineenng and traffic survey. This section cfoes not apply to any 25
mile per hour prima facie limit, which is applicable when passing a schoo! bUilding or the
grounds thereof or when passing a seniar center ar other facifity primarily �sed by seniar
citizens.
(b) T�is section shall become operative on the date specified in subdivision (c) of Sec#ion
22366.
Downward Speed Zoning -
Section 22358,5.
It is the intent of the Legislature that physical conditinns such as width,curvature,grade arod surtacE:
conditions,or any vt�er condition readily apparent to a dr�ver, in the absence of other factors,would
not req�ire speciaf downward speed zoning, as the basic rule of Sectio� 22350 is sufficient
regulation as to such conditions.
Boandary Line Streets
Sectifln 22359.
With respect to boundary fine streets and hig�ways wf�ere portions thereof are within different
jurisdiction5, r�o ordinance adopted under S�ctions 22357 and 22358 shall be ef�ecti�e as ta any
such portion untif all authorities having jurisdic#ion of the portions of the street concemed have
approved the same. This sectian shali not apply in the case of bo�ndary line streets consisfing of
separate roadways within different jurisdictions.
5peed Trap prohibifion
Section 40801.
2018 Engineering and Tra�c Survey
14 City of Rolling HiNs
Resolutioz�No. 1227 -21-
No peace officer or other person shail use a speedtrap in arresting, or participating or assis#ing in
the arrest o�, any person for any alleged violation of this code nor shall any speed trap be used in
s�curing evidence as to tf�e speed of any�ehicle for the purpose of an arrest or prosecution under
this code.
Speed Trap
Section 40$02.
(a) A"speed trap" is either of the following:
(1) A particular section of a highway measured as to dista�ce and with boundaries
marked, designated, o�otherwise determined in order thafi the speed of a vehicle
may be calculated by securing the time it takes tF�e vehicle to travel the known
distance.
(2) A particular section of a highway with a prima facie speed lirnit that is provided by this
code or by local ordinance under subparagraph {A) of paragraph (2)of subdivision
(a)of Sectian 22352,or estabfished under Section 22354,22357,22358,or 22358.3,
if that prima facie speed limit is not justified hy an engineering and #raffic sur�ey
conducted within five years prior to the date af the alleged violation,and enforcement
of the speed limit involves the use ot radar or any other electronic d�vice tha#
measures the speed af mo�ing object. This paragraph does not apply to a iocal
street, road, or school zone.
(b)(1) �or purposes of this section, a locaf street or road is one that is functionally classified as
"localU on the "California Road System Maps," that are approved by#he Federal Highway
Administra#ion and maintained by the Departmenf of 7ransportation.When a str�et or road
does not appear on the"California Road System Maps,"it may t�e defned as a"focal street
or road"if it primarily provides access to abutting residential praper#y and meets the following
three conditions:
(A) Roadway width of not rnore than 40 feet.
{B) Not more than one-haif of a mile of unin#errupted fength. Interruptions shall incfude
official traffic controi signals as defined in 5ection 445.
(C} Nat more than one traific lane in each direction.
(2) 4�or purposes of this section"schoof zone"means that area approaching or passing a school
buiiding or the grounds thereof that is contiguous to a highway and on which is pos#ed a
standard "SCHOOL"warning sign, while children are going to or leaving the school either
during school hours orduring the noon recass period. "School zone"also includes the area
approaching or passing any schoof grounds that are not separated from the highway by a
Fence,gate, or other physical barrierwhile the graunds are in use by children if that highway
is posted with a standard "SCHOQL"warning sign.
(c)(1) When all tl�e foilowing criteria are met, paragraph (2)af this subdivision shafl be applicab�e
and subdivision (a) shall not be applicable:
(A) When radar is used,the arresting officer has successfully corr�pleted a radar operator
course of not less than 24 hours on the use of police traffic radar, and the cours�
was approved and certified by the Commission on Peace Officer Standards ancf
7raining.
20/8 Engineering and Ti�a�c Survey
�� City of Rp!ling Hrlls
Resolution No. 1227 -22-
{B) When laser o.r any other electronic device is used to measure the speed of moving
objects, the arrestir�g officer has successfully completecf the trainir�g required in
subparagraph (A) and an additianal training course of not less than two hours
approved and cer�ified by the Commission on Peace O�cer Standards and Training.
{C)(i) The prosecution pro�ed that the arresting officer complied with subparagraphs (A}
and {B) and that an eng�neering and tra�ic survey has been conduct�d in
accordance with subparagraph (B)of paragra�h (2). The prosecution proved that,
prior to the o�cer issUing the notice to appear, the arresting officer established that
the radar, faser, or other efectronic device conformed to the reauirements of
sub�aragra�h (D}.
(ii) The prosecution praved the speed of the accused was unsate for the canditipns
present at the time of alleged viofatio� unless the citation was for a violation of
Section 22349, 22356, or 22406.
(D) The radar, laser, or ather efectronic device used to measure the speed af the
accused meets or exceeds the minimal operational standards of the National Traffic
HigF�way Safety Administration,and has been cafibrated within the three years prior
to the date af the alleged violation by an independent certified iaser or radar repair
and testing or calibration facility.
(2) A "speed trap" is either of the following:
(A} A particular section of a highway measur�d as to dis#ance and with boundaries
marked, designated, or otherwise deter�nined in order that the speed of a vehicle
may be calcuiated by securing the time it takes the vehicle to travel the known
distance.
(B)(i) A{�articular section of a higt�way or state higF�way with a prima facie speed limit that
is provided by this code or by laca!ordinar�ce under subparagraph(A) vf paragraph
(2)af subdivision (a)of Sectfon 22352, or es#ablished under Section 22354,22357,
22358, or 22358.3, if#hat prima facie speed limit is not justified by an engineering
and traffic su�vey conducted witi�in one of the folfowing time periods,prior to the date
of the alleged violation, and enforcement of speed limi#involves the use of radar or
any other electronic device#hat msasures the speed of moving objects:
-- (I) Except as specified in subclause �li), seven years.
(If) If an engineering and traffc survey was conducfed more than sev�n years
prior to the date of the alleged vialatian,and a registered engir�eer evaluates
the section of the highway and deterrnines that no si.gnifican# changes in
roadway or traffic conditions have occurred including, but not limited to,
changes in adjoining property or land use, roadway wfdth, or traffic volume,
10 years.
(ii) This subparagraph does not apply to a Iocal street, road, or school zone.
Speed Trap Evidence
Section 40803.
(a) No evid�nce as to the speed of a vehicle upon a highway shalf be admitted in any court upon
the trial of any person in any prosecutian under this code�pon a charge involving the speed
2018 Enginee�ing and Tralfrc Survey
�� City of Ralling Hrlls
Resolutian No. 1227 -23-
of a�ehicle when the e�idence is based upon orobtained from or bythe maintenance or use
of a speed trap.
(b) In any prosecution under this code of a charge in�olving the speed of a �ehicle, where
enforcement invof�es the use of radar or other electronic de�ices which measure the s�eed
of moving objects, the prosecution shall estabiish, as part of its prirria facie case, that the
evidence or testimony presented is not based upon a speed trap as defined in paragraph(2)
o�subdivision (a) of Section 4Q802.
(c) When a traffic and engineering�survey is required pursuant ta paragraph (2) of subdivision
(a) of Section 40802, evidence that a traffic and engineering survey has been conducted
within five years of the date af the alleged violation or evidence that the offense was
cornmitted an a local street or road as defined in paragraph(2)af subdivision (a)of Section
4Q802 shail constitute a prima facie case that the evidence or testimony is not based upo�a
speed trap as defined in paragraph (2) subdi�ision (a}of Section 408D2.
20�$Engineering and Tra�c 5unrey
1� CItX af Rolling Hills
Resolutian No. 1227 -24-
�� �� � � t�A ��
Sta�ee� Segment Data
2018 Engineering and Tra�c Survey
City af Rolling Hflls •
Resolu#ion No. 1227 -25-
C1TY OF ROLLING HILLS �
ENGINEERING AIVD TRAFFIG SURVEY
STREET Crest Road West CERTIFICATION DATE
FRQM West City Limit T� Portug�ese Bend Road
SPEED FACTORS
Date of Speed Survey 11/8/2017 Pasted 5peed LEmit 30 mph
Ti�me of Speed Survey 10:25AM Speed Justification
50th Percentile Speed (Mean Speed) 32 mph
85th Percentiie Speed 37 m � VERT & HORIZ CURVES,
p EQUESTRIAN, HIDDEN DWYS
A�erage Speed 32 rnph
10 mph Pace 5peed 27-36
Percen#age of Vehicles in Pace 74 Recommended Speed Limit 30 mph
Number of Survey Samples ���j
COLLlSION HISTORY
Number of Years Studied 3 years
Total CoHisions �
Statewide Average Coliision Rate 1.14 COIIIS�Ol1S/MVM
Collisions per Millior�Vehicfe Miles Q.QQ CbllislOnsIMVM
T FIC FACTOR
Average Daiiy Traffic �,938 Date Counte�d 11/8/2017
Number of Lanes 2, DYCL, BROKEN YC�
Type of TrafFic Control STOP�WES7'CITY�IM17, PORTUGU�SE BEND RD
Crosswalks7 NQNE
Pedestrian`fraffic OCCASfONA�, �QUINE
7ruck Traffic LIGHT
On-Street Parking OFF-STREET ON SHQULDERS
S�dewa�ks? DIRT SHOULD�RS, RQLLED CURB
Driveways7 YES, SOME HICa��N
gOADWAY FACT�RS
Length of Segment 9.030 miles
width 2'! feet
vertical Curve7 SLlGHTLY ROLI_ING
Horizontal Currre? SLIGHTLY WIN�ING CURVE
VisFbility LIMITED AT CURV�S
Roadway Conditions GOOD
Lighting NON E
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Ffeld Study By NS Check�d By VM
CERTlFICATION: I,Vanessa Munoz, do i�ereby certify that 4his Eng�neering a�nd TrafFic Survey within
the City of Rolli�g Ffills was performed under my supervisic�n and is accurate and complete. I am duly
registered in#he Stafie of Califarnia as a F'rofessional Engineer(Traffic).
T�234'I
Vanessa Munoz Date State Registration Number
Resolution No. 1227 -26-
CITY OF ROLLING HILLS �
ENGrNEERING AND TRAFFIC SlURVEY
STREET Cresf Road East CERTEFICATION DATE
FROM Portuguese Bend Road TO Eastfield Dri�e
EDF C O S
Date of Speed 5urvey 11/30/2017 Posted S�eed l.imit 30 mph
Time of Speed Survey 9:07AM
Speed Justification
50th Percentile Speed (Mean Speed} 32 n'tph
85th Percentile 5peed �� mph VERT & HORIZ CURVES,
Av�rage Speed EQUESTR�AN, HlDDEN DWYS
32 mph
10 mph Pace 5peed 2�_37
Percentage of Vehicles in Pace 7� Recommended Speed Limit 3Q m h
Number of Survey Sa�npfes 2Q$ p
�LLISION HISTORY
Number af Years Studied 3 years
Tota!Collisions �
5�atew�de Average Cvifision Rate 1.14 Collisians/MVM
Collisions Aer Million Vehicle Miles Q,Sp COIIiS1011S/MVM
TRAFFIC FACTORS
Average Daity Traffic �,g25 Date Caunted 111812D17
Number of C.anes 2, DYCL, BROK�N YCL
Type of Traffc Control STOP� PORTiJGlJES� BEND RD, SOUTHFfELD DR, EASTFIELD
Crosswalks? @ CABALLEROS RD; HORSE XIIdG @ G�ORGEFF RD
Ped�strian Traffic OCCASIONAL, EQUINE
Truck 7raffic LIGHT
On-Street Parking OFF-STREET ON SHOULIDERS
Sidewalks? DIRT SHOULDERS, RO�LED CURB
Driveways? YES, SOME HlDDEN
W F CT R
Length otSegment 4.000 mile5
width 22 feet
Vertical Curve? SLIGHTLY RQLLING
Horizontal Curve? MODERATLY WfND�NG CURVE
Visibility LIMITED AT CURVES
Roadway Conditions GOOD
Lighting NONE
Adjacent Lanc! Use RURAL R�5IDENTIA�, EQUESTRIAN
Field Study By NS Checked By VM
C�RTIFICATION. !,Vanessa Munoz,do h�reby certify that this Engineering and Traffic Survey within
the City af Rol�ing Hifls was pertormed under my supervisior�and is accurate and compFete. I am duly
registered in the State of California as a Pro#essfonal Engineer(Trafflc).
TE 2341
Vanessa Munoz Date S#ate Registration Number
Resolution No. 1227 -27-
ClTY OF ROLLlNG HILLS �
ENGINEERING AND TRAFFIC SURVEY
STREET EastField Drive CERTIFICATION DAT�
FROM Crest Road East TO Chuckwagon Road
SP D CT R
Date of Speed Survey 1'i/912017 Posted S�eed Limit 25 mph
Time of Speed Survey 11:15AM Speed J�stification
50th Percentiie 5peed[Mean Speed) 2$ mph
85th Percentile Speed 32 m h VERT & HORIZ CURVES,
p EQUESTRIAN, HIDDEN DWYS
Average Speed 2$ mph
70 mph Pace Speed 23-32
Percentage of Vehicfes in Pace $� Recommended Speed l.imit 25 rnph
Number of Survey Sampies 149
COL S H T Y
Mumber of Years Sfudied 3 years
Total Coflisions Q
Statewide Average Gollision Rate 1.41 Collisions/MVM
Collisions per Million Vehicle Miles Q.Op C0111510nS/MVM
TRAFFIC �ACTORS
Average Daily TrafFic 1,OQ8 Date Counted 1 1/812 0 1 7
Number of Lanes 2, DYCL
Type of Traffic Control STOP cLD CREST Rb, OPEN BRAND Rb, FEACKAMORE RD, CHUC
Crosswafks? @ OPEN BRAND; NQRSE XING N/O HACKAMQRE RD
pedestrian 7reff'rc �CCASIONAL, EQUINE
Truck Traffic LIGHT
On-Str9eet Parking O�F-STREET ON SHOULDERS
Sidewalks? DIRT SHOULDERS, ROLLED CURB
Driveways? Y�S, SOME HEDDEN
R D Y AC R
Length of Segment 1.Q00 �7liles
wi�th 21 feet
vertical Curve? DOWNHILL NB, MOUNTAINOUS
Horizontal Curve? TIGHTLY WINDING CURVES
Visibifiiy B�IND CURVES, HIDDEN DRlVEWAYS
Roadway Co�ditions GOOD
Lighting NONE
Adjacent Land Use RURAL RESIDE�fTIAL, �QUESTRIAM
Field Study By NS Checked By VM
CERTIFICA710N: I,Vanessa Munoz,c!o hereby certify that this Engineering and traffic Survey within
the City of Rolling Hills was performed under my supervision and is accurate and compiete. !am duly
registsred in the State of Cal�fornia as a�Professional Engineer(Traffic�,
TE�341
Vanessa Munoz Date State Registration Number
Resoiution No. 1227 -28-
CITY OF R�LLIMG HILLS �
ENGlIVEERlNG �ND TRAFFEC S�dRr�►E� 4
STREET Eastfield Drive CERTIFICATION DATE
FROM Chuckwagon Road TO Palos Verdes Drive �ast
S�EED F CTO S
Date of Speed Survey ��1912Q�7 Posted Speec! Limit 25 mph
Time of 5peed Survey �:2 9 PM
50th Percentile Speed (Mean Speed) 28 m � Sp�ed Justification
85th percentile Speed p CALI�ORNIA MUTCD OPTIDN 2
33 mph
Average Speed 2$ mpi1
10 mph �ace Speed 25-34
Percentage of Vehicles in Paca 7g Recommended Spesd Limit 30 m h
Numher of Suroey Samples �,q� p
COLLI5EON HISTORY
Number of Years Studied 3 years
Total Callisions 3
Statewide Av�rage Collision Rate 1.41 COIII5I011S/MVM
Coliisions per Millian Vehicle Miles 2.�$ GOfIiS10115/MVM
TRAFFIC FACTORS
A�erage DaFly Traffic 1,364 Date Cot�nted '��/$/��17
Number of Lanes 2, DYCL
T'ype of Traffic Control S70P @ CHUCKWAGON RD, OU'TRiDER RD, PVDE
Cro�swalks7 HORSE XING SOUTH OF OUTRlDEI� RD
Pedestrian Traffic OCCASIONAL, EQUINE
Truck Traffic �IGHT
on-�treet Parking OFF-STREET ON SHOULDERS
5idewalks? DIRT SHOUI�DERS, ROLLED CURB
Drirreways? YES, SOME Hf DDEN
��►DWAY Fr4CTORS
Length of Segment Q.750 miles
width 21 feet
verticar curoe? DOWNHILL NIB, MOUNTAINOUS
Horizontal Curve? TIGHT�Y WiNDING CURVES
Visib�lity BLIND CURVES, HIDDEN DRIVEWAYS
Roadway Conditions GOOD
Ligl�tFng NQN E
Adjacent Land Use RURA�RESIDEN�IAL, EQUESTRIAN
�ield Study By NS Checked By VM
CER7IFICATION: I,Vanessa Munoz,do hereby certify that this Engineering and Traffic Survey within
the Cify of Rolfing Hills was perf'armed under my supervision and is accurate and corriplete. I am duly
regist�red in the State of California as a Professional Engineer(Traffic).
TE 2341
Vanessa Munoz Date State Registretion Number
Resolution No. 1227 -29-
CITY OF ROLLING HlLLS �
ENGfIVEER�NG AND TRAFFfC SURVEY
STREET Port�guese Bend Road CERTI�ICATION DAT�
FROM Cresf Road EIW � TO Pappy Trail
SP FAC OR
Date of SAeed Survey 1��g�2p17 Posted Speed Limit 30 mph
Time of 3peed Survey 2:10PM 5peed Justification
50#h I'ercentile Speed(Mean Speed) 30 rnph V�RT & HORIZ CURV�S,
85th Percentile Spesd 35 mph EQU�STRIAN, HIDDEN DWYS
Average Speed 30 mph
10 mph Pace Speed 25-34
Percentage of Vehides in Pace 76 Recammended Speed l.imit 30 mph
Number of S�rvey Samples 2�2
C4LLISION HISTORY
Number of Years Studied 3 years
Total Collisions �
Statewide Average Collision Rate 1.�4� Collisions/MVM
ColGsions per Million VehEcl�Miles 0.53 COlIISIOf1S/MVM
TRAFFIC FACTORS
Average Daily Traffic ��7Zg Date Co�nted 11/8/2017
Number of Lanes 2, DYCL
Type of Traffic Control S70P @ CR�ST R�
Crasswalks? HORSE XING: S/O POPPY TR, PHESANT LN, NIO WAGON
Pedestrian Traffic OCCASIONAL, EQUINE
Truck Traffic �IGHT
On-5trest Parking OFF-STREET ON SHOULDERS
Sidewalks? DIRT SH�ULDERS, RO�LED CURB
Drivewaysa YES, SOME HIDDEN
R W FAC S
Length of Segment 1.00Q mile5
width 24 feet
Vertical curve? STEEP DOWNHILL NIB, MTN.
Harizontal Curve? TIGHTLY WINDING CURVES
visibility BLIND CURVES, HIDDEN DRIVEWAYS
Roadway Conditions GOOD
L��hting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Fie�d Study By NS Checked By VM
CER7I�ICATION: �,Vanessa Munoz,do hereby certify that this Enginesring and Traffic Survey wifihin
Ehe City of Rolling Hifls was performec# under my supervision and is accurate and complete. I am duly
registered in the State of Caiifownia as a Professional Engineer(TrafFc).
TE 2341
Vanessa Munoz Date State Registration Number
x�SQrut�on No. i2z� -�o-
CITY QF RQLLrNG HILLS �
ENGINEEl�IRlG AI�D TRAFL�iC SIJR���Y
STREET Portuguese Bend Road CERTIFICATION DATE
FROM Poppy Trail TO Saddlehack Road
SP E F C O S
Date of Speed Surrrey �1/9/2017 Posted Speed Limit 30 mph
Time of Speed Survey 9:06AM Speed Justitication
50th Percerople Speed(Mean Speed) 32 mph
85th Percenfile Speed 36 mph VERT & HDRIZ CURVES,
Average 5pe�d 32 mph EQUESTRIAN, HIDDEN DWYS
10 mph Pace Speed 27_3�
Percentage of Vehicles in Pace $� Recommended Speecf Limit 30 mph
Nurnber of Survey Samples 19a
COLl.ISION HISTORY �
Number of Years Studied 3 years
7ota!Collisions a
Statewide Average Collis�on Rate 1.41 Collisions/MVM
Coflisions per Miflion Vehicle Mlles O.OQ COIIiSionSIMVM�
T FFIC FACTOR5
Average Daiiy Traffic �,978 Date Coun#ed 11/812Q17
lVumber af�anes 2, DYCL
7ype of Traffic Control Sl"OP @ SAbDLEBACK RD
Cro�swalics? NONE
Pedestrian Traffic OCCASIQNAL, EQUINE
Truck Traffis �IGHT
On-Street�arking OFF-STREET ON SHOULDERS
Sidewralks? DIRT SHOULDERS, ROLLED CURB
Driveways? YES, SOME HIDDEN
�t DW Y FACTORS
Length of Segment 0.650 I'1']IIeS
w;dr�, 24 feet
vertical Curve? STEEP DQWNHI�L NIB, MTN.
Horizontai Curve7 MODERATELY WINDING CURVES
Visibility BLIND CURV�S, HIDDEN DRIVEWAYS
Roadway Conditions GOOD
Lighting NONE
Adjacent Land Use RURA�RESIDENTIAL, EQU�StR1AN
Field Studyr By NS Checked By VM
CERTIFICATION: I,Vanessa Munoz,d�hereby certify that thf5 Englneering and Traffic Survey within
the Cify of Roiling Hills was pertormed und�r my supervision and is accurate and complete. I am duly
registered in the State af Cafifornia as a Professional Engineer[Traffic).
TE 2341
Vanessa Mu�oz Date State Registration Number
Resolution No. 1227 -31-
CITY OF ROLLING HiLLS �
ENGINEERING AND TRAFF�C SURVEY
STREET 5addleback Road CERTiFICATiON DATE
FROM Poppy Trai� TO Partuguese Bend Road
�EED FACTORS
Date of Speed Survey 11/9/2017 Posted Speed Limit 25 mph
Time ot'Speed Survey 7:DOAM gpeed Justification
50th Percentile Speed{Mean Speed} 27 rp�h
86th Percentiie Speed 33 m h CALIFORNIA MUTCD OPTION 2
P
Average Speed 27 rnph
10 mph Pace Speed 23-32
Percentage of Vehicies in Pace 73 Rec�rnmended Speed �,imit 30 mph
Number of Survey Semples 63
C�LLISION HISTORY
Number of Years Studied 3 years
Total Coflisions a
Statewide Average Co[lisian Rate 1.41 COII�SIOf1SIMVM
Coliisions per Million Vehicle Miles 0.00 `Callisions/MVM
TRAFFIC FACTORS
A�erage Daily Traffic 4�8 Date Counted 1 1/812 0 1 7
Number of Lanes 2, DYCL, BROKEN YCL
7ype of Traffic Control STOP� PORTUGUESE BEND RI](BOTH ENDS)
Crosswalks? HORS�XING WEST QF POPPY TE�
Pedestrian Traific OCCASIONAL, EQUINE
Truck Traffic LIGHT
On-Stre�t Parking OFF-STREET ON SHOU�DERS
Sidewalks? DIRT SHOU�DERS, ROL�ED CURB
Driveways? YES, SOME Hf DDEN
OA F TO S
LengthvfSegment '!.$40 rrlile5
w'�th 24 feet
Vertical Curve? STEEP DQWNHI�L W/B, MTN,
Horizontal Currre? TIGHTLY WINDING CURVES
Visibility BLIND CURVES, HEDDEN DRIVEWAYS
Roadway Conditions �qFR
�ighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field 5tudy 6y NS Checked By VM
CERTIFICATlON: I,Vanessa Munoz,do hereby certify that this Engineering and TrafFic Survey within
the City of Rolling Hills was pertormed under my supervision and is�accurate and complete. I am duly
registered in the State of California as a Professional Engineer(Traffic).
TE 2341
Van�ssa Munoz Date 5fiate Registration Number
Resolu�ion No. ]227 -32-
CITY OF ROLLING HILLS �
ENGfNEERING ANLI TRAFFI� SlJR1�EY
STREET Soufhfield Dri�e CERTIFICATION DATE
FROM Crest Road East TO Packsaddle Road
P D C O S
Date of Speed Survey 1'l/812d'I7 Posted Speed �imit 25 mp�
Time af Speed Survey 4:OOPM Speed Justifica#ion
` 50th Percentile Speed(Mean Speed) Z4 mph
s5th Percentile S�eed 29 m h CA�iFORNIA MUTCD OPTION 2
P
Average Speecf 24 1�'1ph
70 mph Pace Speed 2a_Z9
Percentage af Vehicles in Pace 82 Recommended Speed Limit 25 mph
Number of Survey Samples 44
c i HrroY
iVumher of Years 5tudied 3 years
To�l Collisions �
Statewide Average Collision Rate 1.49 Collisions/MVM
Co�fEsions per Million Vehicle Miles �.00 C0111510115/MVM
T FIC ACTORS
Average Daily Traffic 314 Date Counted 'I'f/$/2017
Number of Lanes 2, DYC�
Type of Traffic Control STOP @ PACKSADDLE RD, RIIVGBf7 RD, CREST Rp
Crosswa�ks? NONE
Pedestriaro Traffic OCCASIONAL, EQUlNE
Truck Traffic LIGHT
On-Street Parking OFF-STREET ON SHOULDER, WEST Sf DE
5idewaiks? DIRT SHOULDERS, ROLLED CURB
p��e��� YES, SOME HIDDEN
R�f �4DWAY FACTORS
Length of Segment 0.47Q miles
width 24 feet
vertical Curve? STEEP DOWNHILL SIB, MTN,
Horizo�tal Curve? MODERATELY WINDING CURVES
visibirity BLIND CURVES, HIDDEN DRIVEWAYS
Roadway Conditions FAIR
Lighting NONE
Adjacent Land Use RURAL RESIDENTIAL, EQUESTRIAN
Field Study By NS Checked By VM
CER7IFICATION: E,Vanessa Munoz,do herehy certiiy that this �ngineering and Traffic Survey within
the City of Rolling Wills was performed �nder my supervision and is accurate and complete. I arr�duly
registered in the 5#afe of California as a Professional Engineer(7'raffic).
T�2341
Vanessa Munoz aate State Registratfon Number
Resalutio�No. 1227 -33-
��PENDIX �
Radar Speed Distribution Form�
■ I I� Ii��I�liPl-
2098 Errgineering and Tra�c Survey
City of Rolling Hills
Resoiution No. 1227 -34-
Spot Speed 5tudy
Prepared 6y: National�ata�Suroeying Services
City of Rolling Hills
DATE: 11I812017 LocaEion: Cresf Rcf W Bet.W City Limit&Portuguese Bend Rd
TIME: 90:25-12:05 Posted 5 eed; 30 MPFE ClearlD Radar Locallon:l6 Crest Raad West
Eastbound & 1l�es#bo�nd �pe�t Spe�d�
Speed ,qLL Vehiclea
mph
�_.,. �_10 10
11
12 12
]3 14
14
15 ��
18
17
38 !8
19
20 20
21
22 1 22
23 �
24 � 24 i
25 8 �
26 g- 26
27 18
28 �2 2�
29 15
30 17 3Q " '
31 79 ..-. ,
32 �9 32
33 ��
34 Zp 34
35 78
36 1S Y 36
37 16 d
38 9 � 38
39 5 �
aa � � ao
41 y
42 p � 42
43
44 � 4A
45
46 i 46
47
48 48
49
54 50
51
52 52
53
54 54
55
58 56
57
58 $g
59
gfl 60
6i
62 62
63
64 64
65
66 fifi
67 ]
68 68
69
>=74 74
a 5 �a �� zo z5
Number of Vehicies
sPeep Pa�awr�T�as
80tli 85th 10 MPH Percent In
Class Count Ran e Pe�centile Pereentile Pace #in Paee Pace !6!#Below pace 95!#Above Pace
ALL 2i5 22-46 32 m h 37 m h 27-36 160 7446 7% 117 1896 138
Resolution No. 1227 -35-
Spot Speed Study
Prepared hy: Nafional Data&Surveying Services
City of RoIIR�g Flills Estates
DA'TE: �1I3p12417 Location: Crest Rd E�et.Portuguese Bend Rd&Eastfield Dr
TIME: 09:U7-14:48 Posted S ead: 30 MPH Ciearld Radar Locafion:30 Crest Road East
Eastbaund & l�lest�our�d Spof Speeals
Speed �L Vehiclas
mph
�=10 10
11
12 92
13 14
'!4
�$ 16
16
77 i�
18
19
20 2 20
21
2z 2z
23 2
24 3 �q
25 3
26 9 26 '
27 8
2B 77 28
. _. ..,,,
29 11
. ..
30 79 3D
. _ . ._. . „ .:
31 2'! . .... , _ . .., : .. . .� ,. .
... .. ...
32 17 32 -
33 1 B . _... . ` .
34 7S �
35 14
36 74 Z 3B ' -
37 g d
38 6 � �$ ' '
39 6 �
40 � � 40 -
47 9 N
42 � � 42 �
43 Z
44 � 44
45
qg 46
47
ae 4B
49
50 56
51 '
52 32
53
3q 54
55
56 5B
57
58 5B
59
�p 60
fi1
62 62
83
64 64
65
86 66
67
66 68
69
>=70 70
o s �o �s 20 25
Number af Vehicles
SPEE�PARAMETERS
50th 85th 90 MPH Pereent In
Class Count tian e Percentile Percentile Pace #in Aace Pace %IO Below Pace 9S 1#Ahove Pace
ALL 208 20-44 32 mph 37 m b 28-37 157 7546 12% !25 1396 !26
1�esolution No. f 227 -36-
Spot 5peed Study
Prepared hy: National Data&Surveying Services
City a#Rolling H1�I5
DATE: 11l912697 Location: Eastfield pr Bet.Crest ftd E 8,Chuckwagon i2d
TIME: 11:15-13:95 Posted Speed: 25 MPH CiearlD Radarl.ocatfon:52 Eastfield Drive
Eastbau�nd & l�esfibo�nd �po� Spe�ds
Speed pEL Vehie�as
mph
m �10 10
91
12 12
13
94 1a
75
i6 1 �6
17 1
18 3 1s
i9
za a 20 -
21 1
22 Z 22
23 �p
, , . _ . _. _ ,
24 iG z4
25 qq � - .... �
zs �a
2S —�� �
z� �a
za 12 ze --
_ , ;
Z9 i3
... , _
30 95 30 _. . .. _.
31 1U . . ,..
32 �1 32
33 �
34 g 34
35 �
36 y = 3B
37 2 d
38 � 38
38 �
40 "� 4D
41 �
42 � 42
43
44 �
45
4B 46
47
°"��` qg 48
49
sa so
5T
3p 52
53
54 54
55
58 55
57
58 58
59
80 60
87
62 62
83
84 54
65
66 66
fi7
68 68
69 �,
�=70 70 I
� 5 10 +y _
ri3
Number of Vehicles
SPEED PARAMETERS
5�th BSth 10 MPH Peresnt In
Cfass Counl Ran e Psrcentlle Percentlle Pace #In Pace Pace %!#Balow Pace %!#Above Pace
ALL 149 76-37 28mph 32m h 23-32 122 gpq �9; �ii 1�,k�i8
Resolutaan No. 1227 -37-
Spot Speed Study
Prepared by: Natianal Data&Surveying Services
Cifiy of RalEing Hills
�ATE: 1919I2017 Location: Eastfield Dr BeY.Ghuckwagon Rd&Palos Verdes�r E
TIiHE: 73:27,15:21 Posted 5 eed: 25 MPH CIea7Dry Radar Lacatiar[:15 Eastfield Drive
[Varthbound & Southbound Spot 5peeds
5peed AL�V6hicles
mph
�=10 40
11
�2 12
13 ]4
14
15 '� 18
16
17
18 18
18 z 20 �
20 4
21 '� 22
z2 1
23 4
24 q 24
25 13 . . � _._ _ _. . ... .� . .� , .. ._ .__. .
._. ... . .
26 i5 26 • - - _._ . _ ,
. , ..
27 17 _ .
._
28 13 z8 -
28 73 . _ . . ., .,.
30 �g 30
. ...
31 7
32 32
33 7
�q $ 3q
35 3
36 5 T 36
37 7 a
38 2 � 38 '
39 �
AO � 40
41 �
42 7 � 42
43
44 4A
45
48 4s
47
as a8
A9
50 ��
51
52 52
53
$q 54
55
56 56
57
58 58
59
60 60
61
62 62
$3
fiq 64
65
BB 66
67
88 66
69
�=70 70
0 5 'IO 15 20
Number of Vehicles
SPEED PARAMETERS
6Dth 85th t0 MPH Percent irt
Ciass Counk Ran e Percentile Pereentile Pace #in Pace Paee 9;1#Below Pace 951#Above Pace
ALL i41 15-42 28 m h 33 mph 25-34 11� 7996 12%/i7 10% 113
Resolution No. 1227 -38-
,.
Spot Speed Study
Prepared by: National bata&5urveying 5ervices
City of Roll9ng Wiils
l7ATE: 11I812017 Locafion: Portuguese Bend Rd Bet.Creeat Rd 8�Poppy Trail
TIM�: 44:90-45:55 Posted S ed:3�MI'H ClearlD RadarLacatfon:N/O Wagon Lane
t�orthbound � So�thbound Spot Speeds
Speed aLl.Vehicles
mph
-'— a=�p iQ
91
12 12
13 74
14
15 ifi
16
�� ie
18
19
20 20
zt z2
zz
23 2
24 B 24
25 q�
26 16 28
27 18
28 78 ��
29 18
30 �� 30
31 97 ..
32 qg 32
33 77
34 74 34
35 10
36 �p = 36
37 9 a
38 5 � 38
39 Z �
40 p � 40
41 2 �
42 � 42
43
44 1 44 ...
45
4S as
a�
^`--. qg 48
49
Sp 50
57
gZ 52
53
54 54
55
gg 56
57
58 58
59
60 BO
61
82 62
63
69 64
65
66 66
87
68 88
69
>=70 70
�'" 5 10 15 20
Number of Vehicles
SPEED PARAME7ERS
60th BSth 10 MPH pereent in
Class Count Ren e PeroenGle Per+eentlle Paee #In Pace Paee °.�I#9elow Pace °G!#A6ove Pace
ALL 212 23-44 30m h 35mph 25-34 tfi1 76% 49b 190 2046 !At
Resolution No. 1227 -39-
Spot Speed Study
Prepared by: National Data&Surveying Services
City vf Rolling Hills
aA7E: 1119I2017 Location: Porkuguese Benc!Rd Bet.Poppy 7rail&5addleback Rd
TIM�:U9:06-11:p8 Posted S eed: 3Q MPH ClearlD Radar Locatlon:l9 Portuguesa Bend Rd
Norfihbounc! & �outhbaur�d �pa� 5peeds
spB� ALL yehicles
mph
<=10 40
11
12 1z
73
14 14
75
�6 16
17
�8 16
19
20 20
21
22 Z zz '
23
24 � 24
25 9 -
26 � 26
27 q0
28 97 2a
29 12
30 19 30 . . ,, ,
37 2i . .. ., , ... __ .
- �. . .� .
32 i8 3Z
_
33 21 .. .. . , .
34 18 34 . . _
35 72
� 36 12 Z 36 -
37 5 d
38 a � 38
39 4 �
40 4 � 40
41 g q�
42 y � 42
43
qq � 44
45 z
qg 46
47
48 � 48
48 7
gp 50
59
52 �Z
53
54 54
55
56 58
57
58 58
59
60 64
61
62 62
63
64 84
65
66 66
67
68 fi8
$9
>=7D 70
0 5 10 15 20 25
Numher of Vehiclas
SPE�D PARAMETERS
SOth S5th 70 MPH Pereent in
Class Counf Ren e Percentile Percentlle Pace �!lnPace Paee 46!#BelowPace 95!#A6ovePaee
ALL 19U 22-48 32 mph 36 m h 27-36 15q 89 46 5% !10 1496/2B
Resolution No. 1227 -40-
Spot Speed Study
Prepared by: Nationa!bata&5urveying Services
City of Ro!ling Hills
DAl'E: 11191207'I Location:$addle6ack Rd Bet.Poppy Trail 8 Portuguese Bend Rd
71ME:47;04-09:00 Posted 5 eed: 25 MPH ClearlD Radar Location:35 Saddlehack Road
I�or#hbound � �Quth�a�nd Spo#�Speed�
Speed �L Yehitles
mph
<=10 10
f1
1Z 12
13 7
�4 14
15 7
16 TB
17
18 18
19
20 p 20
21 � '
22 22
23 ' b
24 b 24
25 7
26 5 26
27 3
28 g 28
29 z
30 s 30
31 7 -
32 � 32
33 4 -
34 9 34
35
36 2 36
37 d
38 � 38
39 � �
40 � � 40
41 � q�
42 � 92
43
44 �
45
46 4fi
47
"_"`V` qg 46
49
50 54
51
52 �Z
53
54 54
55
Sfi 5fi
57
56 58
59
$fl 60
8i
e2 sz
63
84 84
65
66 66
67
68 6S
69
>=70 70
-�
� 5 1D
fVumber of Vehicles
SPEED pARAMETERS
50th 85th 90 MPH Percent in
Class Count Ran e Percentlle Percendfe Pece #In Pate Pace 94!#Balow Pece %!#Adove Pace
ALL 63 13-41 27m h 33mph 23-32 45 73ry6 11% !7 18%170
Resolution No. 1227 -41-
Spo� Speed Study
Prepared by: Natlona!Data&Surveying Services
City af Rollin� Mill�
DA7E: 91l812017 �ocaEion:Sauthfield Dr Bet.Crest Rd E&Packsaddle Rd
TIME: 16:Q6-18:00 �osted S eed: 25 Clearl�ry Radar Location:3 Southfield Drive
i�arthbound � �authbound Spat �peeds
Speetl
mph �L Vehiclea
<=10 1U
it '
12 �Z
73
14 14
15
f6 i&
77 � i
18 y �� ' -
]9
20 5 20
21 b i
22 4 22
23 5 _
... ..
24 3 24 0
25 2
26 y 26
27 5
28 Z 28 -
29 3
39 � 30
3i 3
_. .. .-- ^
32 3z .
33
34 34
35
36 1 r 36
37 � �
38 � 38
39 �
40 � 40
47 �
42 N 42
�
44 �
45
4fi 46
47
48 48
49
50 50
51 �
52 52
53
54 54
55
58 56
57
SB 58
59
66 60
fi1 �
62 62
63
64 sq
65
BB ' 66
67
66 68
69
>=70 70
0 � t�
IVumber of Vehicles
SP�ED PARqMET�RS
50th 85th 10 MPFI Pereent in
Class Count Ran e pereent(le Pereenflle Pace #In Pace Pace 46!#6elow Pace ye!#Abore Pace
ALL 44 17-37 24 m h 29 mph 20-29 36 82% 496 12 1496 18
Resolution Na. 1227 -42-
Raw Ra�far Sp�ed Distributior� F�rms
2018 Engineering and Traffic Sunrey
Cify of Rolling Hills
Resolution No. 1227 -43-
.lo� 1�-�-�a��oo� � , - - � ����
��+:G -e.s �, .
` � U �r � ('+t� 1 i r � .
�C3i'3 �s ��.� -� -
CaEu1i�: � ��' .
t� e: �;.-� � �, �nde#a �
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Resolution No. 1227 -44-
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Resolution No. 122'1 -45-
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Resolution No. 1227 -47-
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Resolution No. 1227 -48-
Jo�# � -57G 7_�J��, �ate -^-�-7 POSTE�?�P���
Location . , � .� �
Direetion -�' '
Cour�ter. r;' Cvr�ditians.
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Resolution Na 1227 -49-
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Resolu�ion No. 1227 -50-
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Resolution No. �227 -51-
API�EN � IX �
Sur�►ey Equipmen� Used
2098 Engineering and Traffrc Survey
City of Rolling Hills
Resolution No. 1227 -52-
SURVEY EQUIPMENT USED
The radar equipment used to coilect speed measurernents for this survey was a K-55
Mode! Hand-Held Traf�c Radar manufactured by MPH industries of Owensboro, KY. The
calibration of the units was checked before each series of ineasurements were taken.
Tests of the unit were conducted in accordance with the manufacturer�s specificatians.
Th� K-55 Traffic Radar was last cafibrated on March 14, 20'I6 by PB Electronics lnc.
2018 Engineerrng and Tra�c Survey
City of RoIling Hllls
Resolution No. 122'1 -53-
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