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COUNCIL AGENDA ITEM NO. 16
Meeting Date: June 13, 2000
Installation of stop sign at Oak and Third Streets
Submitted by: Engineering: J. Stevenson
Jon Elam, City
staff to design, bid and return to Council for the award of contract for
the construction of the improvements necessary to install stop signs at
the intersection of Oak Street and Third Street in front of City Hall.
March 28, 2000, the City Council directed staff to analyze parking and
safety measures on Oak Street in addition to the crosswalk for the High
May 9, 2000, staff brought a recommendation to the City Council regarding
Oak Street Safety and Downtown parking.
City Council directed staff to separate the issues of safety and
parking and return to Council at a future meeting.
staff has received numerous complaints from residents regarding vehicular
as well as pedestrian safety at the intersection of Oak and Third Streets.
accordance with the City’s Traffic Management Guidelines, following a
complaint and request for stop signs and a crosswalk from a downtown resident,
staff evaluated the problem and found it to fall within the small-scale
category. The problems as
outlined in the Brentwood Traffic Management Guidelines that define this
as such are as follows: 1) there are parked vehicles, landscaping or other
obstacles that block views of traffic at intersections; and 2) there are
not adequate gaps in the traffic to allow pedestrian or motorists to cross
the street at a particular intersection or location.
Guidelines describe a simplified procedure for solving small scale problems
which include: 1) contacting City staff; 2) staff verifying that a problem
exists; 3) taking corrective action; and 4) monitoring results and feedback.
conducted speed surveys at the request of Council to evaluate whether
speed was also a problem. The speed limit on Oak Street is posted as 25 mph.
The speed survey on Oak Street eastbound performed on May 17, 2000
revealed an 85th percentile speed of 29.5 mph and an average
seed of 26.2 mph. The westbound
survey performed on May 18, 2000 revealed an 85th percentile
speed of 27.5 mph and an average speed of 23.5 mph.
The 85th percentile speed is the figure to look at.
average daily trips during the week are approximately 6,260, with a peak
hour of approximately 670 trips.
Peak hour is 3:00 p.m. This
amounts to a car every 5.4 seconds during the peak hour, so it is easy
to see why the local residents feel the need for stop signs and a crosswalk.
requested that staff also review traffic collision reports on Oak Street
Downtown to see if the claimed or perceived safety problems were resulting
in traffic accidents. Staff evaluated a 5-year period and that review revealed the
following traffic accidents on Oak Street Downtown. Traffic collision reports revealed that 5 traffic accidents
were reported during this period in the area of Oak Street and Third Street
(the location of the proposed stop signs).
Of these reported incidents, 3 broadside collisions occurred as
the vehicles were attempting to either turn left from Oak Street or cross
from Third Street into the City Hall parking lot.
One of the reports showed that a vehicle traveling westbound on
Oak Street struck a pedestrian while crossing the street, and the fifth
report showed a rear-end collision involving two vehicles that also occurred
in the same area in the eastbound direction.
the traffic accident search to Oak Street throughout all of downtown yielded
the following reports for the same 5-year period:
Single vehicle collisions with an object
total of 24 traffic accidents occurred during this 5-year period on Oak
recommendation for solving this problem is to install a 3-way stop at
this intersection. Curb extensions
will be necessary in order to place the stop signs where they will be
visible to the driving public. In
addition to curb extensions and stop signs, staff recommends crosswalks
to complete the safety improvements at this intersection.
cost of these improvements is estimated to be in the $20,000 neighborhood.
If approved by Council, staff will immediately commence design. The estimated time frame is approximately 2½ to 3 months from
Council approval to construction of the improvements.
City of Brentwood City Council
150 City Park Way
Brentwood, CA 94513
Fax (925) 516-5441