The left lane of the No. 3 westbound bore in the Caldecott Tunnel in unincorporated Contra Costa County is currently blocked due to a multiple-vehicle collision Wednesday morning, according to the California
The CHP said the collision was first reported around 5:49 a.m. and involved at least two vehicles. A Sig-alert has been issued and there is no estimated time of when the will be reopened.
No further information is immediately available