HomeMy WebLinkAboutAgenda Report - October 2, 1991 (56).� OF
CITY OF LODI COUNCIL COMMUNICATION
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AGENDA TITLE: Ham Lane North of Kettleman Lane - Left Turn Access
MEETING DATE: October 2, 1991
PREPARED BY: Publ is Works Director
RECOMMENDED ACTION: Discussion &nd appropriate action.
BACKGROUND rFCPA AIICN At the August 21, 1991 City Council meeting, City Council
directed staff to evaluate methods of providing access
into the Chamber of Commerce driveway. With the dual left -
turn lane installation on Ham Lane at Kettleman Lane,
southbound U-turns are not allowed. The raised bumpers on Ham Lane replaced the
raised concrete median which does not allow left turns at the Chamber of Commerce's
driveways.
To allow left turns at the driveway, the raised bumpers would need to be removed and
the striping modified. Staff determined there are three design methods that would
allow left turn access into the driveway:
O
Remove 60 feet of concrete bumpers only - no striping modifications.
Renxw 60 feet of concrete bumpers and convert left -turn lane into a two-way
left -turn lane.
Renur c 60 feet of the concrete bumpers and convert the centerlines to L ',qo-way
left -turn lane.
The impacts of these three designs are discussed below and shown on attached exhibit.
Alternative A - Removal of 60 feet of concrete bumpers only.
Witft the removal of the raised bumpers, southbound motorists wanting to turn left
into the Chamber's driveway would not have a storage lane. This increases the
possibility for rear -end accidents. One of the reasons for the dual left -turn lane
installation was to eliminate the left -turn vehicles from blocking the through
lane.. The overall signal timing will also be affected if vehicles are delayed
waiting for vehicles to turn left. The approximate cost for this alternative is
$200.
Alternative B - Removal of 60 feet of concrete bumpers and convert the left -turn
lane into a two-way left -turn lane.
APPROVED.
CHAMLANE/TXTW.CM (C0. CON) September 25, 1991
Ham Lane North of Kettleman Lane - Left Turn Access
October 2, 1991
Page 2
This alternative will require sandblasting and restriping a two-way ieft-turn lane.
This would allow a storage area for vehicles turning left into the Chamber of
Commerce driveway. However, the distance between the center of the Chamber's and
the MSC's driveway i s about 100 feet. Due to the short distance between driveways,
this could cause head-on collisions between left turning motorists. This
alternative will cost approximately $1,200.
Alternative C - Removal o f 60 feet of concrete bumpers and convert the centerlines
to a two-way 1 of �-turn lane.
This alternative will require less sandblasting than Alternative B. This
alternative maintains the separate turn lane for MSC/Kofu motorists and provides a
short two-way left -turn lane for Chamber of Commerce motorists. The left -turn lane
will need to be shortened to allow an opening between the two-way left -turn lane and
the left -turn lane. This allows some room for motorists to turn into the MSC and
Kofu Park turn lane as well as into the Chamber of Commerce. At best, it is a
compromise for the drawbacks between Alternatives A and B. The estimated cost for
this modification is $750.
In reviewing the accidents from the last four years (1987-1990) , there have been a
total of three accidents at the MSC/Kofu Driveway. Tw of these accidents were
rear -ends due to motorists turning into these driveways. Since the left -turn lane
was installed, there have been no accidents of this type.
There has been a total of two accidents at the Chamber of Coirnnerce driveways. These
involved motorists exiting the driveways and northbound motorists. Since left turns
into these driveways have not been allowed, there have been no rear -end accidents.
Staff still prefers the existing striping to any modifications. However,
Alternative C appears to be the best method of providing left -turn access to the
Chamber of Commerce driveway.
Funding: Funding of this project will come from the Street Maintenance account.
Ct t
do t u osu
Jack L.Ronsk
o
Public Works Director
Prepared by Paula J. Fernander, Assistant Civil Engineer -Traffic
JLR/PJF/nl
Attachment
cc: City Attorney
Ben vanderHeiden
Chamber of CAmmave
Adjacent property owners
Cal trans
CHAMLANE/TXTW.02M (C0. COM) September 25, 1991
HAM LANE
REMOVE CONC. BUMPERS
' `ALT
0
HAM
LANE
REMOVE CONC. BUMPERS
---------------
ALT
HAM
LANE
Z.
REMOVE CONC. BUMPERS
CITY COUNCIL
DAVID M HINCHMAN. Mayor
JAMES W. PINKERTON. )r.
Mayor Pro Tempore
PHILLIPA. PENNINO
)ACK A. SIECI�OCK
JOHN R. (Randy) SNIDER
CITY OF LODI
CITY HALL, 221 WEST PINE STREET
P.O. BOX 3006
LODI, CALIFORNIA 95241-1 91 0
(209) 334-5634
FAX (209) 333-6795
September 26, 1991
SUBJECT: Han Lane North of Kettleman Lane - Left i'urn Access
THOMAS A. PETERSON
City Manager
ALICE M. REIMCHE
City Clerk
BOB McNATT
City Attorney
Enclosed is a copy of background information cn an item that will be
discussed at the City Council meeting on Wednesday, October 2, 1991, at
7:30 p.m. The meeting will be held in the City Council Chamber, Carnegie
Forum, 305 West Pine Street. You are welcome to attend.
If you wish to communicate with the City Council, please contact Alice
Reimche, City Clerk, at (209) 333-6702.
If you have any questions about the item, please call Paula Fernandez,
Richard Prima or nr at (209) 333-6706.
�v Jac L Ronslco I
Public Works Director
JLR/lm
Enclosure
cc: City Clerk'
NNAMLANE/TXTW.02M