HomeMy WebLinkAboutCC Resolution 10587 (Speed Humps)RESOLUTION NO. 10587
A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF SAN
RAFAEL REGARDING RESIDENTIAL TRAFFIC CALMING
TECHNIQUES AND APPROVING THE RESIDENTIAL STREET
SPEED HUMP WARRANTS AND POLICY PERMANENTLY
WHEREAS, neighborhood traffic management, as well as safety and
quality of life in residential neighborhoods can be improved by neighborhood traffic
calming technique, policies and devices; and
WHEREAS, a policy and professionally established warrants for speed
humps in residential neighborhood streets have been developed and will be implemented
to improve traffic control in certain neighborhood areas; and
WHEREAS, the City Council desires to have a policy and warrants for
speed humps in residential neighborhood streets.
NOW, THEREFORE, BE IT RESOLVED by the Council of the City of
San Rafael that the City Traffic Engineer be directed to continue to 1) research and
develop policies regarding new traffic calming techniques and 2) bring traffic calming
techniques to the Council for discussion and approval.
AND BE IT FURTHER RESOLVED, that the City Traffic Engineer has
conducted before and after studies for the Belle Avenue pilot project and it has been
determined that the speed humps are effective and the policy and warrants should remain
as described in exhibit A.
•
BE IT FURTHER RESOLVED, that a speed hump policy and warrants for
residential neighborhood streets, as developed by the City Traffic Engineer, is approved by the
City Council, and the City Traffic Engineer is directed to use his/her professional judgement to
study and analyze appropriate locations for the implementation of this policy and warrants.
I, JEANNE M. LEONCINI, Clerk of the City of San Rafael, hereby certify that
the foregoing resolution was duly and regularly introduced and adopted at a regular meeting of
the Council of said City on the 7"' day of February, 2000, by the following vote, to wit:
AYES: COUNCILMEMBERS: Cohen, Heller, Miller, Phillips & Mayor Boro
NOES: COUNCILMEMBERS: None
ABSENT: COUNCILMEMBERS: None
JEAP M LEON I Y, ity Clerk
File No.: 18.06.49
Citv of San Rafael DeDartment of Public Works Traffic E=naineerina
SPEED HUMP INSTALLATION POLICY AND WARRANTS FOR RESIDENTIAL STREETS
Description Gradual rise and fall in pavement surface, generally to a maximum height of 3 to 4 inches in a circular arc projected over a 12 to 20
foot chord in the direction of travel. Creates a crest (variation) or hump in the roadway surface.
Objective To reduce vehicle speed on local residential streets or a neighborhood collector.
Street Classification A street must be classified as a two-lane, Focal residential street experiencing significant speeding problems. Street can not be
And Use classified arterial or collector or have more than two travel lanes or be more than 40 feet in width.
Street Definition Residential Streets are local streets which primarily serve the local residents within a neighborhood. Traffic volumes on such
c) Other Considerations Speed humps will not be placed on blocks serving as primary access route to significant truck traffic generator, even if not
designated as truck route. Street can not be a primary emergency medical service or a principal emergency vehicle route. The
Fire Department must review and concur that the installation would not significantly impact their services or response times.
AND
Speed humps will not be placed within 20 feet of any driveway, within 25 feet of fire hydrants, or over manholes, utility valves or
street monumentation.
d) Acceptance More than 50% of properties (owners or occupants, one response per property) with front or side frontage on the block in question
should respond, and 67% of them must agree to a speed hump installation.
The location of the speed humps will be determined by the City Traffic Engineer, and more than 50% of the properties (owners or
occupants, one response per property) with front or side frontage on the block in question should respond, and 67% of them must
agree to these locations.
revised 2!7/00 SRCC meeting
streets are usually low with no transit or truck activities.
Neighborhood Collector Streets are intended to distribute traffic between more principal traffic routes and local residential streets
within the neighborhood. All of them serve as fire response routes and a few are designated truck routes. The neighborhood
collector streets that are eligible for traffic calming projects must be 75% residential in nature.
Primary Criteria
A residential street meeting criteria 1 and any other criteria ( 2 or 3) is considered a candidate for a speed hump Installation.
1) Volume
Total number of vehicles per day on the subject street is between 1,000 to 5,000. The City Traffic Engineer under his
professional judgment could consent to a lower volume on the subject street if conditions allow for such an adjustment.
2) Accidents
When 3 or more accidents (caused by speeding) of types correctable by speed hump control have occurred within a recent 12 -month
period. Proposed speed hump locations should be evaluated to determine that such an installation will not Introduce increased
accident potential for the subject street.
3) Speed
The 85th percentile speeds must exceed 30 mph, or 50% of vehicles exceed posted speed limit or the average speed of top 15
percentile of vehicles exceeds 35 mph.
Other Criteria
After meeting the above primary criteria, the subject residential street must also meet all of the following four criteria:
a) Visibility
Speed humps should be avoided within horizontal curves with less than a 300 foot centerline radius and on vertical curves with less
than the minimum safe stopping sight distance. If possible, humps should be located on tangent rather than curve sections and the
areas where the lighting is adequate.
b) Gradient
The gradient on a particular section of a street being considered for speed hump installation does not exceed 5%.
c) Other Considerations Speed humps will not be placed on blocks serving as primary access route to significant truck traffic generator, even if not
designated as truck route. Street can not be a primary emergency medical service or a principal emergency vehicle route. The
Fire Department must review and concur that the installation would not significantly impact their services or response times.
AND
Speed humps will not be placed within 20 feet of any driveway, within 25 feet of fire hydrants, or over manholes, utility valves or
street monumentation.
d) Acceptance More than 50% of properties (owners or occupants, one response per property) with front or side frontage on the block in question
should respond, and 67% of them must agree to a speed hump installation.
The location of the speed humps will be determined by the City Traffic Engineer, and more than 50% of the properties (owners or
occupants, one response per property) with front or side frontage on the block in question should respond, and 67% of them must
agree to these locations.
revised 2!7/00 SRCC meeting