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HomeMy WebLinkAboutAgenda Report - January 6, 1988 (57)4 Q v sem``` oc�``� ' i � ' 1 ' • ' TO: City Council z9) COUNCIL COMMUNICATION FROM : City Manager MEETING DATE: January 6, 1988 AGENDA TITLE: Traffic Studies - Discussion and Appropriate Action b) Lodi Avenue, Ham Lane to Lower Sacramento Road, Speed Limit RECOMMENDED ACTION: That the City Council approve the speed limit on Lodi Avenue from Lower Sacramento Road to Ham Lane as shown on the attached speed zone survey. BACKGROUND IDiE1)RMATION: Based on Vehicle Code Section 40802, in order to use radar enforcement it is necessary to conduct engineering and traffic studies every five years on "non local" streets. "Non local" streets are the collector and arterial streets shown on the Federal Aid System Maps. The engineering studies include measurement of prevailing speeds by a radar survey and review of accident data. At the December 2, 1987 Council ineeting, Council requested staff to redo the survey on Lodi Avenue from Lower Sacramento Road to Ilii Lane. Staff has performed six additional radar surveys (three surveys in each direction). As shown in Table 1, these surveys were similar to the previous surveys. The accidents per year are decreasing and the 85th percentile speed is slightly decreasing also. Staff requests that Council approve the 40 mph speed zone. If Council approves changes to the recommended limit, Lodi Avenue from Lower Sacramento Road to Hen Lane will not be radar enforceable. Staff feels the radar enforcement has kept this segment from being a 45 mph speed zone. Jac L. Ronsko Publi Works Director JF/ma Attachments cc: Police Chief Street Superintendent APPROVED: T&0 2 A. CSPEED2/TXTW.02M FILE N0. December 29, 1987 AND TRAFFIC SURVEY tNCWDES= PREVAPLAIG SPEEDS speed graph WW tow*- r. = _ -= u ^ z 7 c nlr,H T otr ��+- .D = a s J.7 c ~ V � U ^ >1 ✓Set ACCIDENTS y JJJ _ t \1- et CCGOCM plot p/�m y y �7 V I.tM L.�c=O• Z•Io�A� <I LCO G 107 4W u %) , 8�.-• �( ! ;rice '. , ,. ,(iI CONDITIONS NOT APPARENT 't;66 T-- a F w^ F I,IrG I,Im �_ _ ___- - h. ._A .- i n ti.�� DERIVER: 1. OwI 114 per. h 81v *R11; • 1 NOTES: TO NIGH I I h MI I Lots l k M1 k`MI I AVfE, J Yy r11 It I i T< 1 N E•f EEt7 LIMIT 15 APF'Tcc-�IAT� SPEED TABLE — —�- — ROADWAY WIDTH 1- 50'-.{.- .)b' _.h- b�1i - �--- ba'yl.i:IFf� (F�('®PNI.kPAO tS�AG1.�,� -{.T::J.—j_; _ i•) n N0. OF LANES F+ Z 4- MEDIAN (TYPE) w,,t4 rz TRAFFIC SIGNAL DATA 14GT 3Q%�T y41i BQK.T Z¢ t T -tQ h;f---- AVERAGE DAILY TRAFFIC G �) �1 z z --------- -- IT, ��C )7.'• : ` ":r,�� tblbAz:�.L J u,'tc---- - ---- OBS. SPEED -CRITICAL.851 W& :}L AS Q � 31 33 _ A1 Fa> -PACE(%) ,{P> kp !io 39 40 40 {• i t,i�)il 72�_ 33 F�(` 3Z'i2�PJ�7=i '�1�7 _- •75 _ 2Z•72 D ir.'+{ ,�L�-_-_�_- --�t --`,}ii��i G6 -#1 ?�•d2 �7 -)=O- ih'' ?.t•4I Sk�>L-42 (8'z— t<, -->h F•I ,_-%vl i ',.:-1 •:..��"- i -MEDIAN 50'"% WL51 a o z_4 37 ZPI `-------�_—�_-_--__--------• G 5v _ '.b 33— EXISTING SPEED ZONE 5A I)FN PROPOSED SPEED ZONE ►_--- 40 (q PH .}.'--- ?o M PH ----- -- -- ----►{-+ _ , p9F'F) { 1 LEGEND; MPH SPEED GRAPH _ �1 - - --- - , - '- - •Y• -SIGN LOCATION - R 1 -STOP SIGN - - R2( ) -SPEED LIMIT SIGN IMPH R39 -YIELD SIGN �� � �• !I -� C -INSTALLATION C (SCHOOL 25 MPH SIGNS,(W65,R2(25). __._. _ .._ •-•<-- - I I ' I I � 't.. %� V —TRAFFIC SIGNAL —'_--CITY LIMB - - - - -CRITICAL SPEED -LOWER LIMIT OF PACE �' END OF 6PEED .. .. --_ ------ '— -' ' _ Ef3 ---- •---- - -'- -- - --=-= - - _ - _ _ --)----*---� I _ ._. , � - - - - L — ACCIDENT PLOT YR- VIM- I I I I ) , 2 YR: 19Y+(, 2 Z 1 1 I I I ZI I I I I I I Z ACCIDENT RATE-ACC./MILL.VEH.-MI. 1.1 1,2 - 3.0 "7 5.1 `(- w ~ 4.4 -$,Z - :3.9,- <i.p, ?-d (,J3 7 �, D, ,,.,,, .. 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A........_ CITY OF LODI- w - LODI AVE SPEED ZONE D<n'12/06 R.S.K. vnu<w<i«Db«i<r Ilcc D,,, PUBLIC WORKS DEPARTMENT SURVEY 86 8 004 TABLE 1 *Limit reduced to 35 mph due to high number of accidents @ Mills (now a 4 -way stop) "Before widening All surveys contained 100 vehicles S:NMW OF RADAR SURVEYS Loi i Avenue - Lower Sacramento Road to Mills Avenue 85th Percentile Pace %) Date WB E6 WB EB Accidents/Year 12/3/87 41 39 33-43 85% 30-40 821 -- 12/10/87 42 40 -- -- -- 6/5/87 42 40 31-41 72% 32-42 74% 1.5 6/23/82* 41 45 32-42 76% 33-43 66% 2.7 4/29/77** 42 43 30-40 70% 31-41 69% N/A Mills Avenue to Ham Lane 12/23/87 42 40 33-43 78% 32-42 831 -- 5/19/87 41 40 32-42 81% 31-41 86% 4.5 6/23/82* 43 41 33-43 78% 33-43 77% 6.0 7/16/80 N/A 44 -- 31-41 74% N/A 4/29/77 43 40 31-41 68% 30-40 75% N/A *Limit reduced to 35 mph due to high number of accidents @ Mills (now a 4 -way stop) "Before widening All surveys contained 100 vehicles RESOLUTICN K0. 88-08 RESOLUTION ESTABLISHING A 40 M.P.H. SPEED LIMIT ON LODI AVENL1E FROM LOIVER SACRAMENTO ROAD TO HAM LANE RESOLVED, that the City Council of the City of Lodi does hereby establish a 40 m.p.h. speed 'limit on Lodi Avenue from Lower Sacramento Road to Ham Lane. Dated: January 6, 1988 I hereby certify that Resolution No. 88-08 was passed and adopted by the City Council of the City of Lodi in a regular meeting held January 6, 1988 by the following vote: Ayes : Council Members - Pinkerton, Snider and Olson (Mayor) Noes: Council Members - None Absent: Council Members - Hinchman and Reid Alice M. Reimche City Clerk