A motorcyclist died in a crash on westbound state Highway 4 in Antioch on Monday morning, according to the California Highway Patrol. The crash was reported shortly before 8 a.m. on westbound Highway 4 near Somersville Road.
The four right westbound lanes of the highway were blocked but the scene has since been cleared. Traffic delays continued for several hours west of Somersville Road.
More details about the crash were not immediately available.