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, ,,.,,, .. Da.
w"K.
c. ,; _,'.
.<.,.I<• ...<.
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