CA-4 W has recorded 302 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 4 new crashes were reported. The highest crash volumes are concentrated near Contra Costa.
Data is sourced from the California Crash Records System (CCRS), maintained by the California Highway Patrol and updated daily, and the CA 511 live incident feed, refreshed every 15 minutes. Records include crash severity, injury data, vehicle information, and precise geographic coordinates.
Breakdown by type: 177 accident.
Crash locations on CA-4 W. Click a marker to view details.