A traffic incident involving two vehicles caused significant disruption. The California Highway Patrol reported that all lanes were reopened by 7:20 a.m.

The incident occurred on the Dumbarton Bridge, affecting Highway 84. Westbound lanes were completely blocked, and some eastbound lanes were also closed during the response.

Further information about the incident can be found through the original source, which reported the details of the traffic alert and the subsequent lane reopenings.