NAPA COUNTY, Calif. – Caltrans and its local stakeholders will realign the railroad tracks on Highway 29 near Whitehall Lane in Napa County in preparation of the SR-29 St. Helena Channelization Project.

The project will rehabilitate the pavement, provide a continuous two-way left turn lane and reconstruct the adjacent bike path.
 
Approximately four weeks of overnight closures are scheduled.

For the safety of workers and the public, northbound and southbound Highway 29 must be completely closed between Whitehall Lane and Zinfandel Lane starting Sunday, April 12, until Wednesday, April 29.

Highway 29 will be closed each night Sunday through Wednesday at 7 p.m. until the following mornings at 6 a.m. All work is weather permitting.
 
For the week starting Sunday, May 3, Highway 29 will be closed each night Sunday through Tuesday at 7 p.m. until the following mornings at 6 a.m.
 
Detour routes

Northbound Highway 29 detour starts at Highway 128/Rutherford Road.

Northbound Highway 29  motorists will be detoured onto Highway 128/Rutherford Road, Conn Creek Road, northbound on Silverado Trail, westbound on Zinfandel Lane, then back onto Highway 29. Detour signs will be posted.
 
Southbound Highway 29 detour starts at Zinfandel Lane. Southbound Highway 29 motorists will be detoured onto eastbound Zinfandel Lane, southbound on Silverado Trail, southbound on Conn Creek Road, then onto Rutherford Road, and back onto Highway 29.
 
Local access

During the work, Highway 29 between Highway 128/Rutherford Road and Zinfandel Lane will be for emergency and local access only. Residents may need to show proper identification.
 
See the project Web page at http://www.dot.ca.gov/dist4/projects/NAP29Channelization/ or follow Caltrans on Twitter at http://twitter.com/CaltransD4 .