CA · Highway

CA-4 W Accidents & Crashes

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. Last updated June 10, 2026.

Breakdown by type: 11 accident.

11

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on CA-4 W. Click a marker to view details.

Crash Records

CA-4 W Incidents 11 results

11 accident

CHP : Residual delays on CA-4 Westbound east of I-80 E (Hercules). Center Divider affected. Expect delays.

Contra Costa 4 days, 20 hours ago

CHP : Fire on CA-4 Westbound east of CA-242 N (Concord). Center Divider affected. Expect delays.

Contra Costa 2 weeks, 5 days ago

CHP : Traffic Collision on CA-4 Westbound east of Center Ave (Martinez). Center Divider affected. Expect delays.

Contra Costa 3 weeks, 3 days ago

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). Center Divider affected. Expect delays.

Contra Costa 1 month, 1 week ago

CHP : Residual delays on CA-4 Westbound east of Willow Pass Rd (Concord). Center Divider affected. Expect delays.

Contra Costa 1 month, 1 week ago

CHP : Traffic Hazard on CA-4 Westbound east of I-680 N (Martinez). Center Divider affected. Expect delays.

Contra Costa 1 month, 3 weeks ago

CHP : Residual delays on CA-4 Westbound west of Bailey Rd (Pittsburg). Center Divider affected. Expect delays.

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Collision on CA-4 Westbound between Loveridge Rd (Pittsburg) and Somersville Rd (Antioch). All lanes blocked. Avoid the area.

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-4 Westbound at Arnold Industrial Way (Concord). Center Divider affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Residual delays on CA-4 Westbound west of Railroad Ave (Pittsburg). Center Divider affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Traffic Collision with Injuries on CA-4 Westbound at Laurel Rd (Antioch). Center Divider affected. Expect delays.

Contra Costa 2 months ago