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Third Street Corridor Rehabilitation and Safety Improvements

Project Background

Third Street is a critical component of San Rafael’s transportation network serving tens of thousands each day as they travel to work, school, recreation, and retail destinations. The County’s busiest transit node, the Bettini Transit Center, brings nearly 9,000 people daily to and through Third Street as they use Golden Gate and Marin Transit services. As SMART continues to grow its system, it could bring thousands more transit users to the corridor. Third Street is not only important to San Rafael, but serves regional need linking Highway 101 and West Marin communities.

The City of San Rafael has an allocation from the Transportation Authority of Marin through the Measure A program to rehabilitate Third Street. The City completed a feasibility study for the corridor and presented to City Council June 2019. Based on funding the City split the Third Street Project into two projects. The Third Street Rehabilitation project is funded through Transportation Authority of Marin (TAM) Measure A funds and Local Partnership Program through the State. The limits of the Rehabilitation Project are from Lindaro Street to just east of the Fourth Street intersection. The Third Street Safety Project is federally funded through Highway Safety Improvement Program (HSIP), locally through TAM Measure A, and state funded through Road Maintenance and Rehabilitation Program State Bill 1 (SB 1).  The limits of the Safety Project are from Union Street to Lindaro Street.

After requesting proposals for the design of the two projects, the City hired a consultant team lead by CSW ST2 to lead the Third Street Rehabilitation Project design and Kimley Horn to lead the Safety Project design. The initial investigations and preliminary engineering concepts have begun. The City and design teams will set up a series of virtual community outreach options for the projects in late summer 2020. These outreach opportunities will review design progress and options based on the preferred alternative from the feasibility study.

The projects will continues to build on existing studies, community input, and city goals of: congestion relief, improving safety, and complete street options for Third Street.

Third Street - Proposed Cross-sections from Marquard Avenue to Miramar Avenue

One of the major improvements the City would like to make as a part of this project is a separated bicycle connection from Marquard Avenue to Miramar Avenue, in order to achieve the complete street goals. This would fill a gap in the Cross-Marin Bikeway that is supported by the communities along the Miracle Mile corridor. To the west, this bicycle facility would connect to the existing Greenfield Bicycle Boulevard. To the east, this would connect to a future First Street Bicycle Boulevard/Safe Routes to School pathway.  This connection can be found in the San Rafael Bicycle and Pedestrian Master Plan as well. An unfortunate outcome of building the bicycle connection is the likely result in the loss of on-street parking on the south side of Second-Third Street from Marquard Avenue to Miramar Avenue. Below are links to two concepts – one that preserves street parking and one that does not. The Design team is still working through the details and the plans will be posted on this webpage as they are developed.

Goals for Project

  • Rehabilitate pavement, fix uneven sidewalks and upgrade curb ramps for accessibility, upgrade the traffic signal infrastructure
  • Provide a separated path of travel for bicyclists between Marquard and Miramar

Overall Objectives

  • Congestion relief
  • Improving safety for vehicles, bicyclists, and pedestrians
  • Providing better connections for alternative modes on Third Street

Project Plan

  • Present the draft design to the community Fall 2020 and incorporate their feedback, coordinate with utility companies, prepare for construction Summer 2021.


Base Mapping & Preliminary DesignWinter 2020 – Summer 2020
Design and EnvironmentalSummer 2020 – Winter 2021
Construction Bidding & AwardSpring 2021
ConstructionSummer 2021 – Summer 2022

Register for future Public Meetings

  • Name

Project Contact

April Miller, P.E. | Senior Civil Engineer, City of San Rafael

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