Reminder NB 29 And First Street-Napa Extended Closures


District: 4-Bay Area  
Contact: Janis Mara or Vince Jacala
Phone: (510) 622-5978 or (510) 286-5206

Extended Closures Due to Roundabouts Construction Detours

Effective Thursday, October 10

(Napa)—Caltrans is scheduled to close multiple offramps and onramps in the City of Napa effective Thursday, October 10 during construction of three new roundabouts.

The First Street offramp from northbound State Route 29 (SR-29) and the First Street onramp from eastbound First Street will be closed effective October 10.  
Napa-Street Closures and Detours Effective 10-10-19
Also, Northbound California Boulevard will be closed between Second Street and Clay Street and no Southbound California Blvd. traffic will be allowed to cross First Street.

These closures are effective Thursday, October 10 through the end of November 2019. Detour signs will be posted.

For additional project information go to our website.

Motorists should expect delays and allow for extra travel time.

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Caltrans thanks you for your patience as we work to improve and maintain California’s highways.