Roads

Raul M. Rojas, County Purchasing Agent, Director, Public Works
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View current ongoing road closures and lane restrictions

Our division, Roads, holds primary responsibility for maintaining most of the roads in the unincorporated areas of our county. The exceptions are state roads, city streets, and non-county maintained roads. To enable us to handle problems more efficiently, we've divided Marin County into two areas: West Marin and Urban Eastern Marin.

We work to serve the county's residents and visitors with the least inconvenience as possible. To that end, we often do our work during the late night/early morning hours so as to cause as little impedance to traffic flow as possible. Come rain or shine, our staff are out on the County roadways to ensure the right-of-ways remain open and safe for travel.

Questions and Complaints Service Center Contact Number
West Marin Nicasio Yard (415) 446-4421
Urban Eastern Marin Civic Center Yard (415) 473-7388
 
To Report a Blocked Roadway

Monday through Friday, 6:00AM - 5:00PM

West Marin
Urban East Marin

 
(415) 446-4421
(415) 473-7388
Weekends and Evenings   (415) 473-7513
 
To Report a Missing or Damaged Street Sign
Monday through Friday   (415) 446-4422

COUNTY-MAINTAINED ROAD CLOSURES & LANE RESTRICTIONS:
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  • CURRENT ONGOING COUNTY-MAINTAINED ROAD CLOSURES & LANE RESTRICTIONS:
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    Lucas Valley Road near Nicasio Valley Road intersection

    Location: Lucas Valley Road - 500' east of intersection with Nicasio Valley Road in Nicasio
    Condition: Slide has damaged eastbound lane of the roadway. Currently operating with one lane only, controlled by a temporary traffic signal.
    Estimated Opening: Repairs are underway. Weather permitting, construction is expected to be complete by the end of April 2017.
    Updated April 17, 2017

    Forest Drive at Candelero Ave

    Location: 193 Forest Drive at Candalero Ave in Forest Knolls.
    Condition: Roadway closed due to downhill slide that is currently tarped. Construction has begun.
    Estimated Opening: Construction estimated to be complete by early May 2017.
    Updated April 17, 2017

    Conifer Way near Carson Road in Woodacre

    Location: Conifer Way - near intersection of Carson Road in Woodacre
    Condition: Road closed due to large downed trees as well as slides on both the down and uphill areas of the closure location. Residential access is still possible from either side of the closure.
    Estimated Opening: Major work will be required but will need to wait until the saturated hillsides have dried out. Soils and structural engineers are working on plans, but there is no current time estimate for reopening.
    Updated April 17, 2017

    Marshall-Petaluma Road at milepost 8.24

    Location: Marshall-Petaluma Road at mile post 8.24, between Marshall and Walker Creek Ranch.
    Condition: Down to one lane due to slide damage from nearby creek flow.
    Estimated Opening: Design has been submitted to permitting agencies. Current estimate is Fall 2017 for completion.
    Updated April 17, 2017