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C. 4

To:	Board of Supervisors
From:	Julia R. Bueren, Public Works Director/Chief Engineer
Date:	November 10, 2015

Contra

Costa

County

Subject:

Establish speed limit of 25 miles per hour on Colusa Avenue (Road 1452), Kensington area

APPROVE	OTHER
RECOMMENDATION OF CNTY ADMINISTRATOR	RECOMMENDATION OF BOARD COMMITTEE

Action of Board On: 11/10/2015

APPROVED AS RECOMMENDED

OTHER

Clerks Notes:

VOTE OF SUPERVISORS

AYE:

John Gioia, District I Supervisor
Candace Andersen, District II Supervisor
Mary N. Piepho, District III Supervisor
Karen Mitchoff, District IV Supervisor

ABSENT:

Federal D. Glover, District V Supervisor

Contact:

Monish Sen (925) 313-2187

I hereby certify that this is a true and correct copy of an action taken and entered on the minutes of the Board of Supervisors on the date shown.
ATTESTED: November 10, 2015
David Twa,

BY:	, Deputy

RECOMMENDATION(S):

ADOPT Traffic Resolution No. 2015/4434 to establish a speed limit of 25 miles per hour on Colusa Avenue (Road No. 1452), Kensington area.

FISCAL IMPACT:

No fiscal impact.

BACKGROUND:

Colusa Avenue is classified as a minor arterial roadway by the Federal Highway Administration. As such, the speed limit must be set according to standards established by the California Manual on Uniform Traffic Control Devices and CVC 22358, if the speed limit is to be set lower than the prima facie speed limit of 55 miles per hour. This requires an Engineering and Traffic Survey (E&TS) to be conducted to establish an appropriate speed limit. On October 20, 2015, an E&TS was conducted according to established traffic engineering standards. Based on the results of the E&TS, the Traffic Engineer recommends the establishment of a speed limit of 25 miles per hour for the entire length of Colusa Avenue contained within Kensington. This speed limit is also consistent with posted 25 miles per hour speed limits on Colusa Avenue in the neighboring cities of El Cerrito and Berkeley. This action will allow local law enforcement agencies to enforce the speed limit on Colusa Avenue.

CONSEQUENCE OF NEGATIVE ACTION:

The speed limit on Colusa Avenue would have to be posted at 55 miles per hour, as mandated by CVC 22349(b), which would impact public safety negatively.