Napa Intersection To Close For Roundabout Construction: Caltrans

NAPA, CA — Caltrans is scheduled to remove the traffic signal light from the intersection of First Street and California Boulevard in Napa the second week of September to accommodate construction on one of three roundabouts west of downtown Napa.

A months-long closure of the intersection is planned beginning the week of Sept. 9, a Caltrans spokesperson said. Detours will be in place until the intersection reopens, which Caltrans expects will happen by late December, Spokeswoman Janis Mara said.

"Motorists are encouraged to use alternative routes," Mara said. "Should drivers travel through the construction area, delays are expected and drivers should exercise caution."

Here are the detour details:

• Eastbound on First Street from State Route 29 (SR-29) 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.

More information about the project and its timeline is posted on Caltrans' Napa Roundabout Webpage.