The crash was reported at approximately 3:12 a.m. at State Route 12 and State Route 29.

Napa, CA – At least one person sustained major injuries in a collision involving a semi-truck and a black sedan at an intersection in Napa early Wednesday morning, according to the California Highway Patrol.
The crash was reported at approximately 3:12 a.m. at State Route 12 and State Route 29.
CHP said a blue Kenworth semi-truck pulling a trailer and a black sedan were involved in the collision.
Initial dispatch information indicated that the sedan may have run a red light before the collision, although the circumstances have not been confirmed.
CHP said at least one person suffered major injuries in the collision.
The collision blocked northbound traffic, while both southbound left-turn lanes were also obstructed. Traffic was diverted as crews worked at the scene. Debris was later cleared from the roadway, and the road was reported clear at approximately 6:29 a.m.
The crash remains under investigation.
