CA · Highway

CA-4 E Accidents & Crashes

CA-4 E has recorded 277 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 9, 2026.

Breakdown by type: 41 accident.

41

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 41 results

41 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, 9 hours ago

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

Contra Costa 2 days, 14 hours ago

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

Contra Costa 6 days, 8 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

CHP : Traffic Collision with Injuries on CA-4 Eastbound exiting at Sycamore Ave (Hercules). Off Ramp blocked. Expect delays.

Contra Costa 4 weeks, 2 days ago

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

Contra Costa 4 weeks, 2 days ago

CHP : Disabled vehicle on CA-4 Eastbound west of Laurel Rd (Antioch). On Ramp affected. Expect delays.

Contra Costa 1 month ago

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

Contra Costa 1 month ago

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

Contra Costa 1 month, 1 week ago

CHP : Brush fire on CA-4 Eastbound entering at Loveridge Rd (Pittsburg). On Ramp affected. Expect delays.

Contra Costa 1 month, 1 week ago

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

Contra Costa 1 month, 2 weeks ago

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

Contra Costa 1 month, 2 weeks ago

CHP : Severe traffic alert and Traffic Collision on CA-4 Eastbound east of Willow Pass Rd (Pittsburg). Left lanes blocked. Expect delays.

Contra Costa 1 month, 2 weeks ago

CHP : Traffic Hazard on CA-4 Eastbound at CA-242 S (Concord). Off Ramp blocked. Expect delays.

Contra Costa 1 month, 3 weeks ago

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

Contra Costa 1 month, 3 weeks ago

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

Contra Costa 1 month, 3 weeks ago

CHP : Severe traffic alert and Traffic Collision on CA-4 Eastbound west of Cummings Skwy (Port Costa). Right lane blocked. Expect delays.

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of I-680 N (Martinez). Right lanes blocked. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Residual delays on CA-4 Eastbound exiting at Arnold Industrial Pl (Concord). Off Ramp affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Disabled vehicle on CA-4 Eastbound west of Laurel Rd (Antioch). Lanes affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Traffic Hazard on CA-4 Eastbound east of Cummings Skwy (Port Costa). Lanes affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Traffic Collision on CA-4 Eastbound west of G St (Antioch). Off Ramp affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Traffic Collision on CA-4 Eastbound at Cummings Skwy (Port Costa). Off Ramp affected. Expect delays.

Contra Costa 1 month, 4 weeks ago

CHP : Traffic Hazard on CA-4 Eastbound entering at San Pablo Ave (Hercules). Right lane blocked. Expect delays.

Contra Costa 1 month, 4 weeks ago

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

Contra Costa 1 month, 4 weeks ago

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

Contra Costa 2 months ago

CHP : Traffic Collision on CA-4 Eastbound ramp to CA-242 N (Concord). Right and left lanes affected. Expect delays.

Contra Costa 2 months ago