CA · Highway

CA-4 E Accidents & Crashes

CA-4 E has recorded 496 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 July 31, 2026.

Breakdown by type: 325 accident, 171 construction.

496

Total Crashes

All time records

0

Fatalities

Fatal injury reports

3

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

325 accident 171 construction

CHP : Fire on CA-4 Eastbound east of Alhambra Ave (Martinez). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Contra Costa 6 hours, 28 minutes ago

CHP : Residual delays on CA-4 Eastbound between Cummings Skwy (Port Costa) and Center Ave (Martinez). All lanes open. Expect delays.

Contra Costa 6 hours, 43 minutes ago

CHP : Traffic Collision on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lanes blocked. Expect delays.

Moderate Accident

Contra Costa 19 hours, 43 minutes ago

CHP : Traffic Collision and Debris on CA-4 Eastbound east of Cummings Skwy (Port Costa). Left lane affected. Expect delays.

Moderate Accident

Contra Costa 1 day, 7 hours ago

Caltrans : Roadwork on CA-4 Eastbound entering at Mcewen Rd (Martinez). On Ramp closed until 5 AM. From 8:00 PM Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026.

Contra Costa 1 day, 10 hours ago

CHP : Disabled truck on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 day, 22 hours ago

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

Contra Costa 2 days, 5 hours ago

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

Contra Costa 2 days, 6 hours ago

CHP : Traffic Collision on CA-4 Eastbound at Port Chicago Hwy (Concord). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 18 hours ago

CHP : Fire on CA-4 Eastbound west of Port Chicago Hwy (Concord). Lane affected. Expect delays.

Moderate Accident

Contra Costa 2 days, 22 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of Railroad Ave (Pittsburg). Center lanes affected. Expect delays.

Moderate Accident

Contra Costa 3 days, 4 hours ago

CHP : Disabled tractor trailer on CA-4 Eastbound entering at Port Chicago Hwy (Concord). On Ramp affected. Expect delays.

Contra Costa 3 days, 7 hours ago

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

Contra Costa 3 days, 21 hours ago

CHP : Traffic Collision on CA-4 Eastbound at G St (Antioch). Lane affected. Expect delays.

Moderate Accident

Contra Costa 4 days, 14 hours ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Loveridge Rd (Pittsburg). On Ramp blocked. Expect delays.

Contra Costa 4 days, 21 hours ago

CHP : Traffic Collision on CA-4 Eastbound at Pacheco Blvd (Pacheco). Lane affected. Expect delays.

Moderate Accident

Contra Costa 5 days, 1 hour ago

CHP : Fire on CA-4 Eastbound west of G St (Antioch). Right shoulder affected. Expect delays.

Moderate Accident

Contra Costa 5 days, 6 hours ago

Caltrans : Roadwork on CA-4 Eastbound between Pacheco Blvd (Pacheco) and Balfour Rd (Antioch). Right lane and shoulder closed. Expect delays. From 7:00 AM Saturday, July 25, 2026 to 12:00 PM Saturday, July 25, 2026.

Contra Costa 6 days, 3 hours ago

Caltrans : Roadwork on CA-4 Eastbound entering at Mcewen Rd (Martinez). On Ramp closed until 7 AM. From 8:00 PM Friday, July 24, 2026 to 7:00 AM Saturday, July 25, 2026.

Contra Costa 6 days, 8 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of Center Ave (Martinez). Lane blocked. Expect delays.

Moderate Accident

Contra Costa 6 days, 19 hours ago

Caltrans : Roadwork on CA-4 Eastbound between San Jose Ave (Antioch) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:30 PM Thursday, July 23, 2026 to 12:00 AM Friday, July 24, 2026.

Contra Costa 1 week ago

CHP : Traffic Hazard on CA-4 Eastbound east of Bayberry Ave (Hercules). Right lane affected. Expect delays.

Moderate Accident

Contra Costa 1 week ago

Caltrans : Roadwork on CA-4 Eastbound entering at Sand Creek Rd (Brentwood). On Ramp closed until 8 AM. From 8:00 PM Wednesday, July 22, 2026 to 8:00 AM Thursday, July 23, 2026.

Contra Costa 1 week, 1 day ago

Caltrans : Roadwork on CA-4 Eastbound between Sand Creek Rd (Brentwood) and Balfour Rd (Antioch). Various lanes closed until 8 AM. From 8:00 PM Wednesday, July 22, 2026 to 8:00 AM Thursday, July 23, 2026.

Contra Costa 1 week, 1 day ago

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Wednesday, July 22, 2026 to 5:00 AM Thursday, July 23, 2026.

Contra Costa 1 week, 1 day ago

Caltrans : Roadwork on CA-4 Eastbound between Lone Tree Way Bypass (Antioch) and Sand Creek Rd (Brentwood). Various lanes closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound entering at Sand Creek Rd (Brentwood). On Ramp closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound between Laurel Rd (Antioch) and Lone Tree Way Bypass (Antioch). Various lanes closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound between Sand Creek Rd (Brentwood) and Balfour Rd (Antioch). Various lanes closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Off Ramp closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Various lanes closed until 5 AM. From 9:00 PM Tuesday, July 21, 2026 to 5:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

Caltrans : Roadwork on CA-4 Eastbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp closed until 8 AM. From 8:00 PM Tuesday, July 21, 2026 to 8:00 AM Wednesday, July 22, 2026.

Contra Costa 1 week, 2 days ago

CHP : Traffic Collision on CA-4 Eastbound west of Laurel Rd (Antioch). Lanes blocked. Expect delays.

Contra Costa 1 week, 2 days ago

CHP : Disabled vehicle on CA-4 Eastbound west of CA-160 (Antioch). Right lane blocked. Expect delays.

Moderate Accident

Contra Costa 1 week, 2 days ago

CHP : Traffic Hazard on CA-4 Eastbound ramp to CA-160 (Antioch). Left lane affected. Expect delays.

Moderate Accident

Contra Costa 1 week, 2 days ago

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

Contra Costa 1 week, 3 days ago

CHP : Traffic Hazard on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). 3rd lane from the left blocked. Expect delays.

Moderate Accident

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound between CA-160 (Antioch) and Laurel Rd (Antioch). Lanes closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound between Lone Tree Way Bypass (Antioch) and Sand Creek Rd (Brentwood). Right lane and shoulder closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound between Laurel Rd (Antioch) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound entering at Laurel Rd (Antioch). On Ramp closed until 8 AM. From 8:00 PM Monday, July 20, 2026 to 8:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

Caltrans : Roadwork on CA-4 Eastbound between Alhambra Ave (Martinez) and Pacheco Blvd (Pacheco). Right lane and shoulder closed until 5 AM. From 9:00 PM Monday, July 20, 2026 to 5:00 AM Tuesday, July 21, 2026.

Contra Costa 1 week, 3 days ago

CHP : Disabled vehicle on CA-4 Eastbound east of CA-242 N (Concord). Right lane affected. Expect delays.

Moderate Accident

Contra Costa 1 week, 3 days ago

CHP : Traffic Hazard on CA-4 Eastbound east of Balfour Rd (Brentwood). Lane affected. Expect delays.

Moderate Accident

Contra Costa 1 week, 4 days ago

Caltrans : Roadwork on CA-4 Eastbound between Hillcrest Ave (Antioch) and CA-160 (Antioch). Various lanes closed until 8 AM. From 8:00 PM Sunday, July 19, 2026 to 8:00 AM Monday, July 20, 2026.

Contra Costa 1 week, 4 days ago

Caltrans : Roadwork on CA-4 Eastbound between Laurel Rd (Antioch) and Lone Tree Way Bypass (Antioch). Right lane and shoulder closed until 8 AM. From 8:00 PM Sunday, July 19, 2026 to 8:00 AM Monday, July 20, 2026.

Contra Costa 1 week, 4 days ago

Caltrans : Roadwork on CA-4 Eastbound between CA-160 (Antioch) and Laurel Rd (Antioch). Various lanes closed until 8 AM. From 8:00 PM Sunday, July 19, 2026 to 8:00 AM Monday, July 20, 2026.

Contra Costa 1 week, 4 days ago