Detour-State Route 29 at First Street in Napa, began Sunday.
To ensure worker and public safety, the southbound onramp onto State Route 29 from First Street in Napa will be closed until 4 a.m. Monday. Detour signs will be posted.
Motorists heading onto southbound SR-29 from First Street will be detoured to the northbound First Street onramp, then to the northbound Lincoln offramp, then to the southbound Lincoln onramp, and back onto southbound SR-29.
Lane Reductions-Various Locations -Monday - Thursday.
Work will also be performed at the following locations with lane reductions and start each night at 6 p.m. until 4 a.m. the following mornings. All work is weather permitting.
- Monday, April 7-Northbound SR-29 at California Street Onramp, Yountville
- Tuesday, April 8 -Southbound SR-29 at Niebaum Lane, Rutherford
- Wednesday, April 9 –Northbound SR-29 at Green Island Road, American Canyon.