New Round Of Jameson Canyon Road Closures This Week

Information from Caltrans:

The California Department of Transportation (Caltrans), the Solano Transportation Authority (STA), and the Napa County Transportation and Planning Agency (NCTPA) are continuing retaining wall construction work in preparation of widening Highway 12 through Jameson Canyon in Napa and Solano Counties.

To ensure worker and public safety, full overnight highway closures will be in effect on Highway 12 between Highway 29 and the Napa/Solano County Line beginning Monday, July 23th at 11 p.m. and be completed on Saturday, July 28th at 5 a.m. The work is scheduled to start each night, Monday through Friday at 11 p.m. and conclude the following morning at 5 a.m.

All work is weather permitting.

Highway 12-Jameson Canyon Detour

During the overnight highway closure, eastbound Highway 12 motorists are advised to use southbound Highway 29 to eastbound Highway 37 to eastbound Interstate 80.

Westbound Highway 12 motorists should use westbound Interstate 80 to westbound Highway 37 to northbound Highway 29. Local access is available for Jameson Canyon residents and emergency vehicles only.

The California Highway Patrol (CHP) will help direct motorists. Caltrans will also install changeable message signs. Motorists should expect delays and allow for extra travel time.

Additional project information including maps and pictures are now posted on the Caltrans’ Highway 12-Jameson Canyon webpage at:
http://www.dot.ca.gov/dist4/12jamesoncanyon/