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.

Breakdown by type: 196 accident, 82 construction.

278
Total Crashes
All time records
0
Fatalities
Fatal injury reports
3
Today
Reported since midnight

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

Crash Records

CA-4 E Incidents

196 accident 82 construction
Caltrans : Roadwork on CA-4 Eastbound between Hillcrest Ave (Antioch) and CA-160 (Antioch). Right lane and shoulder closed until 6 AM. From 9:00 PM Tuesday, June 09, 2026 to 6:00 AM Wednesday, June 10, 2026.
Construction
Contra Costa 18 minutes ago
CHP : Disabled vehicle on CA-4 Eastbound east of Willow Pass Rd (Pittsburg). 2nd lane from the left blocked. Expect delays.
Moderate Accident
Contra Costa 10 hours, 48 minutes ago
CHP : Residual delays on CA-4 Eastbound west of Bailey Rd (Pittsburg). All lanes open. Expect delays.
Accident
Contra Costa 11 hours, 33 minutes ago
Caltrans : Roadwork on CA-4 Eastbound at Railroad Ave (Pittsburg). Right lane and shoulder closed until 8 AM. From 8:00 PM Monday, June 08, 2026 to 8:00 AM Tuesday, June 09, 2026.
Construction
Contra Costa 22 hours, 18 minutes ago
Caltrans : Roadwork on CA-4 Eastbound between Hillcrest Ave (Antioch) and CA-160 (Antioch). Various lanes closed until 6 AM. From 10:00 PM Monday, June 08, 2026 to 6:00 AM Tuesday, June 09, 2026.
Construction
Contra Costa 1 day ago
Caltrans : Roadwork on CA-4 Eastbound between Hillcrest Ave (Antioch) and CA-160 (Antioch). Various lanes closed until 6 AM. From 10:00 PM Sunday, June 07, 2026 to 6:00 AM Monday, June 08, 2026.
Construction
Contra Costa 2 days ago
Caltrans : Roadwork on CA-4 Eastbound entering at Hillcrest Ave (Antioch). On Ramp closed until 4 AM. From 10:00 PM Sunday, June 07, 2026 to 4:00 AM Monday, June 08, 2026.
Construction
Contra Costa 2 days, 2 hours ago
CHP : Traffic Collision with Injuries and Overturned vehicle on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). All lanes blocked. Avoid the area.
High Accident
Contra Costa 2 days, 10 hours ago
CHP : Disabled vehicle on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Lane affected. Expect delays.
Moderate Accident
Contra Costa 2 days, 12 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Left lanes affected. Expect delays.
High Accident
Contra Costa 2 days, 15 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Lane affected. Expect delays.
Moderate Accident
Contra Costa 2 days, 15 hours ago
CHP : Traffic Hazard on CA-4 Eastbound east of CA-242 S (Concord). 2nd lane from the left blocked. Expect delays.
Moderate Accident
Contra Costa 2 days, 23 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of Somersville Rd (Antioch). Right lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 12 hours ago
CHP : Disabled vehicle on CA-4 Eastbound west of Balfour Rd (Brentwood). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 12 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of I-680 N (Martinez). Right lane blocked. Expect delays.
Moderate Accident
Contra Costa 3 days, 15 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of Alhambra Ave (Martinez). Right lane blocked. Expect delays.
Moderate Accident
Contra Costa 3 days, 17 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of Alhambra Ave (Martinez). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 17 hours ago
CHP : Disabled vehicle on CA-4 Eastbound west of Port Chicago Hwy (Concord). Lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 18 hours ago
CHP : Residual delays on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right shoulder blocked. Expect delays.
Moderate Accident
Contra Costa 3 days, 19 hours ago
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of CA-242 N (Concord). Left lane affected. Expect delays.
Moderate Accident
Contra Costa 3 days, 19 hours ago
CHP : Traffic Hazard on CA-4 Eastbound west of Railroad Ave (Pittsburg). Lane affected. Expect delays.
Moderate Accident
Contra Costa 4 days, 22 hours ago
CHP : Traffic Hazard on CA-4 Eastbound east of Railroad Ave (Pittsburg). Lane affected. Expect delays.
Moderate Accident
Contra Costa 5 days, 11 hours ago
Caltrans : Roadwork on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Off Ramp closed until 6 AM. From 8:00 PM Wednesday, June 03, 2026 to 6:00 AM Thursday, June 04, 2026.
Construction
Contra Costa 6 days, 1 hour ago
CHP : Traffic Collision on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
High Accident
Contra Costa 6 days, 9 hours ago
CHP : Traffic Hazard on CA-4 Eastbound at Loveridge Rd (Pittsburg). 3rd lane from the left affected. Expect delays.
Moderate Accident
Contra Costa 6 days, 10 hours ago
CHP : Traffic Collision on CA-4 Eastbound west of Loveridge Rd (Pittsburg). Left lanes blocked. Expect delays.
Moderate Accident
Contra Costa 6 days, 11 hours ago
CHP : Traffic Collision on CA-4 Eastbound at Bixler Rd (Discovery Bay). Lane affected. Expect delays.
Moderate Accident
Contra Costa 6 days, 14 hours ago
CHP : Traffic Hazard on CA-4 Eastbound east of Bayberry Ave (Hercules). Lane affected. Expect delays.
Moderate Accident
Contra Costa 1 week 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.
High Accident
Contra Costa 1 week ago
CHP : Traffic Collision on CA-4 Eastbound east of I-680 N (Martinez). Lane affected. Expect delays.
Moderate Accident
Contra Costa 1 week ago
CHP : Grass fire on CA-4 Eastbound west of Loveridge Rd (Pittsburg). Right lanes closed. Expect delays.
Moderate Accident
Contra Costa 1 week ago
Caltrans : Roadwork on CA-4 Eastbound at Railroad Ave (Pittsburg). Right lane and shoulder closed until 8 AM. From 8:00 PM Monday, June 01, 2026 to 8:00 AM Tuesday, June 02, 2026.
Construction
Contra Costa 1 week, 1 day ago
Caltrans : Roadwork on CA-4 Eastbound between Pacheco Blvd (Pacheco) and CA-242 N (Concord). Various lanes closed until 7 AM. From 8:00 PM Monday, June 01, 2026 to 7:00 AM Tuesday, June 02, 2026.
Construction
Contra Costa 1 week, 1 day ago
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Antioch) and Walnut Blvd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Monday, June 01, 2026 to 5:00 AM Tuesday, June 02, 2026.
Construction
Contra Costa 1 week, 1 day ago
CHP : Traffic Collision on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Lane affected. Expect delays.
Moderate Accident
Contra Costa 1 week, 1 day ago
CHP : Disabled vehicle on CA-4 Eastbound west of Arnold Industrial Pl (Concord). Center lane blocked. Expect delays.
Moderate Accident
Contra Costa 1 week, 1 day ago
Caltrans : Roadwork on CA-4 Eastbound at Sand Creek Rd (Brentwood). All lanes closed until 5 AM. From 7:30 PM Sunday, May 31, 2026 to 5:00 AM Monday, June 01, 2026.
Construction
Contra Costa 1 week, 2 days ago
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Sunday, May 31, 2026 to 5:00 AM Monday, June 01, 2026.
Construction
Contra Costa 1 week, 2 days ago
CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Right lane affected. Expect delays.
Moderate Accident
Contra Costa 1 week, 2 days ago
Caltrans : Roadwork on CA-4 Eastbound and Westbound between Discovery Bay Blvd (Discovery Bay) and San Joaquin County Line (Byron). All lanes closed. Avoid the area. From 7:00 AM Sunday, May 31, 2026 to 7:00 PM Sunday, May 31, 2026.
Construction
Contra Costa 1 week, 2 days ago
CHP : Traffic Collision with Injuries on CA-4 Eastbound at Hillcrest Ave (Antioch). Right shoulder affected. Expect delays.
Moderate Accident
Contra Costa 1 week, 2 days ago
Caltrans : Roadwork on CA-4 Eastbound at Sycamore Ave (Hercules). Lane closed until 9 AM. From 5:00 AM Sunday, May 31, 2026 to 9:00 AM Sunday, May 31, 2026.
Construction
Contra Costa 1 week, 2 days ago
CHP : Residual delays on CA-4 Eastbound south of CA-242 N (Concord). Right shoulder affected. Expect delays.
Moderate Accident
Contra Costa 1 week, 3 days ago
CHP : Traffic Hazard on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane blocked. Expect delays.
Moderate Accident
Contra Costa 1 week, 3 days ago
CHP : Traffic Hazard on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Lane affected. Expect delays.
Moderate Accident
Contra Costa 1 week, 3 days ago
Caltrans : Roadwork on CA-4 Eastbound between Pacheco Blvd (Pacheco) and CA-242 N (Concord). Various lanes closed until 9 AM. From 8:00 PM Friday, May 29, 2026 to 9:00 AM Saturday, May 30, 2026.
Construction
Contra Costa 1 week, 4 days ago
Caltrans : Roadwork on CA-4 Eastbound entering at Arnold Industrial Pl (Concord). On Ramp closed until 8 AM. From 10:00 PM Friday, May 29, 2026 to 8:00 AM Saturday, May 30, 2026.
Construction
Contra Costa 1 week, 4 days ago
Caltrans : Roadwork on CA-4 Eastbound exiting at Arnold Industrial Pl (Concord). Off Ramp closed until 7 AM. From 9:00 PM Friday, May 29, 2026 to 7:00 AM Saturday, May 30, 2026.
Construction
Contra Costa 1 week, 4 days ago
Caltrans : Roadwork on CA-4 Eastbound and Westbound at Sand Creek Rd (Brentwood). Lane closed. One way traffic control in effect. From 7:30 PM Thursday, May 28, 2026 to 5:00 AM Friday, May 29, 2026.
Construction
Contra Costa 1 week, 5 days ago
CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Lanes affected. Expect delays.
Moderate Accident
Contra Costa 1 week, 5 days ago