Overturned Tractor-Trailer Shuts Down Berryessa Roadway: Use Different Route

An overturned big rig shut down part of Berryessa-Knoxville Road. Drivers should use alternate routes.

By Angela Woodall, Patch Staff

Jun 15, 2026 8:39 am PDT | Updated Jun 15, 2026 4:31 pm PDT

An overturned tractor-trailer has blocked Berryessa-Knoxville Road, disrupting traffic and forcing motorists to detour around the crash scene. (Patch Graphics)

NAPA VALLEY, CA — A tractor-trailer overturned on Berryessa-Knoxville Road, blocking the roadway and creating traffic disruptions for drivers traveling through the area.

Authorities are advising motorists to avoid the route and use alternate roads while crews respond to the incident and work to clear the scene.

No additional details about injuries or the cause of the crash are immediately available.

Patch.com is the nationwide leader in hyperlocal news.
Visit Patch.com to find your town today.