A crash between a motorcyclist and a black Lexus snarled traffic on the San Mateo Bridge Tuesday morning, according to the California Highway Patrol.
The crash was reported in the westbound lanes just before 9 a.m. on the flat section of the bridge.
The left lane was blocked following the crash, but the roadway was reopened shortly before 10 a.m. Traffic remained heavy in the area as of 10:15 a.m.
It was unknown whether injuries were reported as a result of the crash.