SR37 Corridor Projects

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What's New

  • Night Closures of Westbound State Route 37 between Vallejo And State Route 121 for Pavement Repairs. Closures occur 8:00 PM – 4:00 AM, Sunday, August, 14 – Friday, August 19
  • Due to interest in the project, Caltrans has extended the public comment period on State Route (SR) 37 Petaluma River Bridge Preservation Project for two weeks, from August 5 to August 19.
  • State Route (SR) 37 Petaluma River Bridge Preservation Project (July 6, 2022): The Draft Environmental Document for this Petaluma River Bridge Preservation project is available for public review July 6 – August 19, 2022. Visit the SR 37 Project Meetings & Events page to view the document and submit comments.

The future of the State Route 37 Corridor requires finding solutions to traffic congestion and periodic flooding. But it will also require balancing transportation needs with protecting and enhancing sensitive marshland habitats. Planning a long-term solution presents an opportunity to provide bicycle, pedestrian, transit, and carpool options for all travelers. Caltrans is working with its partner agencies, The Metropolitan Transportation Commission and the four North Bay County Transportation Agencies to develop a more resilient corridor.

Please provide us with your thoughts and suggestions on planning a more resilient, reliable, and safer facility for all travelers by using the interactive map below to leave your comments directly on the map (click on the image).

  

Clickable Map of Route 37

 

SR 37 is an important regional connection linking the north, east and west SF Bay Region following along the northern shore of San Pablo Bay.  This 21-mile long roadway from US 101 to I-80 connects job markets and housing within Marin, Sonoma, Napa and Solano counties.

Map of SR 37 linking the north, east and west SF Bay Region along the northern shore of San Pablo Bay