SR 1 Capital Preventive Maintenance

Contact: Matt O’Donnell
Email: matt.odonnell@dot.ca.gov
Phone: (510) 852-5113

MARIN COUNTY – Caltrans District 4 (Bay Area) is in the construction phase of the State Route 1 (SR-1) Capital Preventive Maintenance Project.

The project proposes to rehabilitate 27.8 lane miles overall, including 13.9 miles of SR-1, improve drainage (eight culvert replacements) and upgrade Americans with Disabilities Act (ADA) facilities.

Map showing the location of the Capital Preventive Maintenance project on State Route 1 in Marin County. The project location is split into two portions: the southern portion is on SR-1 near Point Reyes Station and Olema from the Olema Creek Bridge to north of Cypress Road; the northern portion is near Tomales, from south of Tomales-Petaluma Road to south of Valley Ford Road. The project includes upgrades to existing SR-1 infrastructure, including pavement rehabilitation, curb ramp upgrades in the communities of Point Reyes Station and Tomales, replacement of guardrails and crash cushions, upgrading of drainage inlets, and replacement of aging culverts. The project also includes improvements to crosswalks and signage in Point Reyes Station and improvements to sidewalks in the town of Tomales.

The location is on SR-1 near Point Reyes Station and Olema from the Olema Creek Bridge to north of Cypress Road; the second portion is near Tomales, from south of Tomales-Petaluma Road to south of Valley Ford Road. 

Caltrans coordinated with the Safe Routes to School Committee in 2018 and 2019. Additionally, Caltrans has performed public outreach meetings in April of 2019 and March of 2021. The agency has local partnerships with the County of Marin and the Transportation Authority of Marin (TAM) for additional improvements on the Mesa Road intersection.

Projected start of construction: May 2024

Projected total cost: $33.5 million