State Route 12

Starting at SR 116 in Sebastopol, SR 12 is a major east-west route across Northern California. The state route travels east via Santa Rosa, Sonoma Valley (famous for its wineries like its more well-known cousin, Napa Valley), Napa, Fairfield / Suisun City, Rio Vista and Lodi. The highway ends when it meets SR 49 in the Gold Country at the town of San Andreas.
California State Route 12 Guides

SR 12 freeway entrance shield assembly at the westbound on-ramp from Dutton Avenue in Santa Rosa.
07/06/13
A south side service road connects North Front Street with SR 12 at the west end of the Helen Madere Bridge in Rio Vista. Front Street connects with SR 84 north to Ryer Island and West Sacramento below the Sacramento River span.
11/23/06
SR 12 circumvents Downtown Lodi alongside SR 99 south from Victor Road to Kettlemen Lane. Victor Road (old SR 12) extends west from the northern exchange between the two routes to Cherokee Lane (Old U.S. 99). Cherokee Lane (SR 99 Business) converges with the SR 99 freeway to the north.
11/23/06
Photo Credits:
- Andy Field: 11/23/06, 07/06/13
- Joel Windmiller: 06/19/01
- Trevor Carrier: 2002
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Page Updated Tuesday March 19, 2019.