From Sunday, March 29 through May 31, 7:00 PM to 6:00 AM
Napa County – Caltrans will perform scheduled overnight lane closures along State Route 121 between Vichy Avenue and Wooden Valley Road in Napa, Napa County. The closures are necessary to allow crews to safely replace existing roadway signs and improve signage visibility.
The work began Sunday March 29 and will continue through May 31 from 7:00 PM to 6:00 AM. Changeable Message Signs (CMS) will alert drivers ahead of closures. Motorists should expect delays, reduce speed, and plan extra travel time.
Overnight lane closures:
SR-121, Between Vichy Avenue & Wooden Valley Road
Sunday – Thursday 7:00 PM – 6:00 AM:
*All work is weather dependent and subject to change*
For 24/7 traffic updates, follow 511.org: https://twitter.com/511SFBAY
Real-time traffic, click-on Caltrans Quick Map: http://quickmap.dot.ca.gov/