SR37 Corridor Projects

 

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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.

• Segment A:  US 101 (Novato) in Marin County to SR 121 (Sears Point) in Sonoma County:  4-Lane Expressway
• Segment B:  SR 121 (Sears Point) in Sonoma County to Mare Island (Vallejo) in Solano County: 2-Lane Highway
• Segment C:  Mare Island (Vallejo) to I-80 Interchange in Solano County: 4-Lane Freeway