First Street Offramp To Close In Napa For Roundabout Construction

NAPA, CA — Caltrans announced the upcoming closure of the northbound state Highway 29 offramp to First Street in Napa. The ramp will close Monday, Oct. 7 to accommodate construction on one of three roundabouts west of downtown Napa, a Caltrans spokesperson said Thursday.

The offramp will remain closed through the end of November, Caltrans District 4 Spokeswoman Janis Mara said.

A detour will be in place, along with previously announced detours currently in place due to construction, including for the intersection of First Street and California Boulevard.

"Motorists are encouraged to use alternative routes," Mara said. "Delays are expected in the construction area and drivers should exercise caution."

NEW DETOUR ROUTES:

• Northbound SR-29 at First Street, take Lincoln Avenue exit, then right on Lincoln Avenue going east and then right on California Boulevard going south.
• Eastbound on First Street from Browns Valley Road to SR-29 Northbound Onramp will be closed. No access to Northbound SR-29 from Eastbound First Street will be available.

EXISTING DETOUR ROUTES:

• Eastbound on First Street from Browns Valley Road will be able to make a right turn on California Boulevard going south to get to Second and Third streets.
• California Boulevard southbound will turn left at Clay Street, then right at Seymour Street, then right at Third Street. Detour ends at California Boulevard.

• California Boulevard northbound will turn right at Second Street, then left at Seymour Street, then left at Clay Street and detour ends at California Boulevard.
• First Street westbound will turn right at Walnut Street, left on Clay Street and detour ends at California Boulevard.