CA · Highway

CA-4 E Accidents & Crashes

CA-4 E has recorded 278 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 3 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: 18 accident.

18

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 E. Click a marker to view details.

Crash Records

CA-4 E Incidents 18 results

18 accident

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). All lanes blocked. Avoid the area.

Contra Costa 2 days, 10 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Left lanes affected. Expect delays.

Contra Costa 2 days, 15 hours ago

CHP : Traffic Collision on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.

Contra Costa 6 days, 9 hours ago

CHP : Severe traffic alert and Traffic Collision with Injuries and Overturned vehicle on CA-4 Eastbound east of Lone Tree Way (Antioch). Left lanes blocked. Expect delays.

Contra Costa 1 week ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Off Ramp closed. Expect delays.

Contra Costa 1 week, 6 days ago

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-4 Eastbound west of Laurel Rd (Antioch). Right shoulder affected. Expect delays.

Contra Costa 1 week, 6 days ago

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays.

Contra Costa 2 weeks ago

CHP : Disabled vehicle on CA-4 Eastbound at Lone Tree Way Bypass (Antioch). Lanes blocked. Expect delays.

Contra Costa 2 weeks, 1 day ago

CHP : Traffic Collision on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Left lane blocked. Expect delays.

Contra Costa 2 weeks, 2 days ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp blocked. Expect delays.

Contra Costa 2 weeks, 5 days ago

CHP : Brush fire on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Right shoulder affected. Expect delays.

Contra Costa 2 weeks, 6 days ago

CHP : Fire on CA-4 Eastbound ramp to CA-242 S (Concord). Connector ramp affected. Expect delays.

Contra Costa 3 weeks ago

CHP : Fire on CA-4 Eastbound ramp to CA-242 S (Concord). Connector ramp affected. Expect delays.

Contra Costa 3 weeks ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Off Ramp blocked. Expect delays.

Contra Costa 3 weeks, 1 day ago

CHP : Traffic Hazard on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Lane affected. Expect delays.

Contra Costa 3 weeks, 2 days ago

CHP : Traffic Collision on CA-4 Eastbound west of I-680 N (Martinez). Right and center lanes blocked. Expect delays.

Contra Costa 3 weeks, 3 days ago

CHP : Traffic Collision on CA-4 Eastbound entering at Laurel Rd (Antioch). On Ramp blocked. Expect delays.

Contra Costa 4 weeks, 1 day ago

CHP : Fire on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Right shoulder affected. Expect delays.

Contra Costa 4 weeks, 1 day ago