California Department of Transportation

01/14/2026 | Press release | Distributed by Public on 01/14/2026 14:30

Nightly Reverse One-Way Traffic Control on State Route 29 (SR-29) for Culvert Work in Between Rutherford, Oakville in Napa County

Nightly Reverse One-Way Traffic Control on State Route 29 (SR-29) for Culvert Work in Between Rutherford, Oakville in Napa County

Published: Jan 14, 2026

Night work scheduled to start Jan. 8 between 6 p.m. and 6 a.m.

Napa County - Caltrans has reverse one-way traffic control of State Route 29 (SR-29) in effect between 6 p.m. and 6 a.m. the next mornings for culvert replacement work and road stabilization in between Rutherford and Oakville roads (south of Glos Lane).

Crews will work through Thursday, January 15th. Following the Martin Luther King Jr. holiday weekend, work will resume on Tuesday, January 20th through Saturday, January 24th.

It will remain a six night work schedule, Monday through Saturday, from January 26th through mid-March.

During this stage of construction, crews will begin to remove the existing culvert and replace it with a cast in place box culvert.

Flaggers will be present and Changeable Message Signs (CMS) signs will be posted to help the traveling public.

A full closure of SR-29 will be utilized later in the construction schedule. An updated advisory will be issued when those dates are confirmed.

Detour SR-29 Northbound toward St. Helena/Calistoga

  • Turn right onto Oakville Cross Road
  • Turn Left onto Silverado Trail Road
  • Turn Left onto SR-128 to Rutherford to get onto SR-29

Detour SR-29 Southbound toward the city of Napa

  • Turn left onto SR-128 in Rutherford
  • Turn right onto Silverado Road
  • Turn right onto Oakville Cross Road to get onto SR-29.

This emergency project is expected to last until spring, 2026.

All work is weather dependent. Future traffic advisories will be sent out if dates or times change.

Drivers should expect delays and to slow down in the construction area to help crews stay safe.

Please drive with caution. Slow for the Cone Zone and Be Work Zone Alert. Caltrans thanks motorists for their patience while we work to maintain our state's highways, bridges, and tunnels.

For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.

California Department of Transportation published this content on January 14, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on January 14, 2026 at 20:30 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]