The Transportation Division of Marin County Department of Public Works manages Traffic Operations and Transportation Planning across unincorporated areas of Marin. The Division serves the residents of Marin by monitoring and improving the safety and flow of roads and other transportation infrastructure for all modes of mobility.
Details on County projects, including traffic and transportation, that are in various stages of progress.
See the 2018 systemic traffic safety analysis that evaluated and identified high-risk roads and intersections based on collision data.
Information on County-maintained road closures, blocked roadways, damaged/missing street signs and related issues.
The CIP is a multi-year planning tool to identify and implement the County’s short-term and long-term capital needs.
Documents and information on prior bike/pedestrian projects under the WalkBikeMarin program, which encourages active transportation.
Listing of projects that are open for contractor bidding.
Marin County Transportation & Road Impact fee studies, annual reports presented to the Board of Supervisors and the fee schedule.
Need to efficiently report traffic signal malfunctions to the correct jurisdiction?