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Reports and Studies
The Bicycle Program has performed several studies in their efforts to improve the bicycling environment within San Francisco; including over 20 "road diets", implementing a comprehensive route signage program, and efforts to reduce "dooring" collisions to cyclists.
(Various Years) "DPT Collision Report" links to collision data, trends and analysis for a specific year.
(2008, February) The "2005-2006 San Francisco Bicycle Injury Collision Report" reviews the bicycle injury collision trends for various types of bicycle collisions, the first publication regarding bicycle collisions released by the SFMTA.
(2007, November) The “2007 Citywide Bicycle Counts Report” (pdf) provides a detailed description of the Bicycle Program’s August 2007 Citywide Bicycle Count. This annual count is conducted in 33 locations throughout the City, with a special focus on 12 downtown locations. In addition to cyclist count data, the report contains information on observed helmet use and rider gender.
(2005,October) The "Fell and Masonic Intersection Survey (pdf) " asseses the impact of recent intersection changes to pathway users. The intersection of Fell Street with Masonic Avenue includes the Panhandle Path, which carries a significant volume of bicyclists and pedestrians in the east-west direction. In response to concerns related to conflicts between path-users and westbound motor vehicle traffic turning left from Fell Street onto Masonic Avenue, several changes to the intersection were made in March 2005.
(2004, November) The report "Floating Bike Lanes" or Bicycle Accommodation along Part-time Parking (.pdf) describes the process and eventual design of accommodating bicyclists along an arterial with a part-time parking/travel lane. The design along the Embarcadero in San Francisco sets aside road space for cyclists which shifts according to the time of day and whether parking is allowed or not.
(2004, August) "Steps to Bicycle Facility Implementation "(.pdf) details the planning process for bicycle facility implementation, taking many considerations into account. It also details the legislative procedures necessary forbicycle facility implementation in San Francisco.
(2004, July) The "Garage Bicycle Parking Compliance Report" (.pdf) lists detailed information regarding the compliance status of public garages, including City-owned garages, and private garages with the City Ordinance 155.2, which requires adequate amounts of bicycle parking be provided in these facilities.
(2004, March) "Fell Street Bicycle Lane (Scott to Baker) and Tow Away Zone Proposal"(.pdf)is a follow-up to the six month trial of the Fell Street Bicycle Lane.
In January 2005, the Board of Supervisors unanimously voted to retain the bike lane on Fell Street from Scott to Baker Streets and to rescind the evening tow-away along Fell Street from Laguna to Baker Streets.The report also presents DPT's proposal to revoke the existing weekday evening tow-away along Fell Street from Laguna to Baker Streets.
(2004, February ) "San Francisco's Shared Lane Pavement Markings: Improving Bicycle Safety"(.pdf) presents the findings of a study evaluating the effectiveness of two pavement marking designs for use on Class III (signed/shared) Bikeways.Prepared by Alta Planning + Design for the San Francisco Department of Parking and Traffics Bicycle Program.
(2003, September) "Supplemental Design Guidelines" (.pdf) details supplemental design treatmentsfor current or potential bicycle facilitieswithin the City and County of San Francisco.Prepared by Alta Planning + Design for the San Francisco Department of Parking and Traffics Bicycle Program.
(2003, July) "Bikes Allowed Use of Full Lane, Change Lanes to Pass Signage Summary" (.pdf) describes the placement of signage to encourage "road sharing".
(2002, December) "Fell Street Trial Tow-Away Closure, Scott to Baker Streets"(.pdf) describes the results of a 3-day trial closure of the south side tow-away lane on Fell Street between Scott and Baker Streets. The proposal is to close the tow-away lane and convert to full time parking plus full time bike lane for a 6-month trial.
(2001, June) "Seventh Street Bike Lane Traffic Impact Study" (.pdf) details a proposal by the Department of Parking and Traffic to include a Class II bikeway (bike lanes) on 7th Street between Townsend and 16th Streets as part of the Mission Bay Development. The report discusses the feasibility of bike lanes on 7th Street using traffic volume projections based on build out of Mission Bay in 2015, and outlines the procedure to change the original plans for 7th Street, which included an additional traffic lane in lieu of a bike lane. This report includes Sychro traffic modeling and a flow chart on how to change Infrastructure Agreement Plans. Bike lanes on 7th Street were accepted as a change and were striped in 2003.
(2001, May) "Polk Street Lane Removal/Bike Lane Trial Evaluation" (.pdf) presents a before and after study of a lane removal/bike lane project on Polk Street. Data on how bicycle, transit, and motor vehicle traffic was affected by the 6 month trial lane removal/bike lane installation are presented and discussed. The Board of Supervisors voted to retain the project.
(2000, December )"Valencia Street Bike Lanes, A One Year Evaluation" (.pdf) is the byproduct of a one-year trial implementation of bicycle lanes on Valencia Street. As these bike lanes required a controversial "road diet" lane removal, one of the first in San Francisco and along a commercial arterial, the project was implemented on a trial basis. This document reports the effect of the project on bicycle, transit, and motor vehicle traffic in the corridor, and sets the stage for future road diet projects in the City. The Board of Supervisors voted to retain the bike lanes in 2001.
(1998) "Implementing San Francisco's Bicycle Route and Sign System"(.pdf) describes the design and implementation of the City's bicycle route network and innovative sign system. San Francisco Bike Route Signs have influenced the designs of the California state sign SG-45 and the national sign M1-8 . In addition to the text discussion, drawings and specifications of San Francisco's bicycle route network sign are included.
(1993, August) "Bicycle Rack Placement Criteria" (.pdf) outlines the basic criteria of placing a bicycle rack within the Public Right-of-Way of San Francisco. This criteria was approved by the Interdepartmental Staff Committee on Traffic and Transportation (ISCOTT) in 1993. Since that time, the DPT primarily focuses on the installation of inverted "U" or "staple" bicycle
racks.
Additional Planning Efforts
Transportation Authority Market Street Study
SF Planning Department's "Better Neighborhood" Market and Octavia Neighborhood Plan
LINKS
San Francisco DPT Enforcement Division
San Francisco County Transportation Authority (SFCTA) administers and oversees the delivery of the Proposition K (Prop K) half-cent local transportation sales tax program; is the Congestion Management Agency (CMA) for San Francisco; and serves as Program Manager for grants from the Transportation Fund for Clean Air (TFCA).
San Francisco Municipal Transportation Agency (SFMTA)
Board of Directors governs the Municipal Transportation Agency, including the San Francisco Municipal Railway and the Department of Parking and Traffic. The SFMTA Board of Directors also serve as members of the San Francisco Parking Authority.
San Francisco Municipal Railway (Muni)
San Francisco Dept. of Public Works (DPW)
Contacts:
Removal of Abandoned Bicycles -- DPW Street Environmental Services -- 695-2017
Report Potholes in a Bicycle Lane -- potholes@sfgov.org
San Francisco Regulations for Construction Zones
These regulations take into consideration bicycle operation
Regional
The Metropolitan Transportation Commission (MTC)
Our regional transportation planning and financing agency
Bay Area Rapid Transit (BART)
Bay Area Regional Public Transit
Bay Area Air Quality Management District
State
California Department of Transportation Bicycle Facilities Unit
California Department of Transportation (Caltrans) District 4 Bicycle Resources
California Department of Transportation (Caltrans)
California Department of Motor Vehicles
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