Storm Related Road Closures for Unincorporated Marin County: - Bolinas Road is closed from Azalea Hill to HWY 1 in West Marin due to debris on roadway. - Platform Bridge Road is closed from Pt Reyes Petaluma Road to Sir Francis Drake Boulevard in West Marin due to localized flooding.

What are construction related stormwater, erosion and sediment control requirements?

Visit our stormwater pollution prevention page to learn about stormwater best management practices for construction projects.