CA · Highway

CA-4 E Accidents & Crashes

CA-4 E has recorded 862 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 10 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 Oct. 27, 2026.

Breakdown by type: 100 accident.

100

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

1

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 100 results

100 accident

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

Contra Costa 20 minutes ago

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

Contra Costa 18 hours, 35 minutes ago

CHP : Disabled vehicle on CA-4 Eastbound at I-80 E (Hercules). Lanes affected. Expect delays.

Contra Costa 1 day, 14 hours ago

CHP : Fire on CA-4 Eastbound entering at Contra Loma Blvd (Antioch). On Ramp affected. Expect delays.

Contra Costa 5 days, 16 hours ago

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

Contra Costa 1 week, 1 day ago

CHP : Disabled vehicle on CA-4 Eastbound east of San Pablo Ave (Hercules). Lane affected. Expect delays.

Contra Costa 1 week, 2 days ago

CHP : Severe traffic alert and Traffic Collision on CA-4 Eastbound east of Mcewen Rd (Martinez). Left lane blocked. Expect delays.

Contra Costa 1 week, 5 days ago

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

Contra Costa 1 week, 6 days ago

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

Contra Costa 1 week, 6 days ago

CHP : Disabled vehicle on CA-4 Eastbound exiting at Hillcrest Ave (Antioch). Off Ramp blocked. Expect delays.

Contra Costa 2 weeks ago

CHP : Traffic Collision on CA-4 Eastbound west of Port Chicago Hwy (Concord). On Ramp affected. Expect delays.

Contra Costa 3 weeks ago

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

Contra Costa 1 month ago

CHP : Traffic Collision on CA-4 Eastbound at Sand Creek Rd (Brentwood). Right shoulder affected. Expect delays.

Contra Costa 1 month ago

CHP : Traffic Collision on CA-4 Eastbound at Sand Creek Rd (Brentwood). Lane affected. Expect delays.

Contra Costa 1 month ago

CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Right lane and exit ramp blocked. Expect delays.

Contra Costa 1 month ago

CHP : Disabled vehicle on CA-4 Eastbound west of Cummings Skwy (Port Costa). Off Ramp affected. Expect delays.

Contra Costa 1 month ago

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

Contra Costa 1 month, 1 week ago

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

Contra Costa 1 month, 1 week ago

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

Contra Costa 1 month, 1 week ago

CHP : Traffic Collision on CA-4 Eastbound west of Bailey Rd (Pittsburg). On Ramp affected. Expect delays.

Contra Costa 1 month, 1 week ago

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

Contra Costa 1 month, 1 week ago

CHP : Traffic Hazard on CA-4 Eastbound exiting at Contra Loma Blvd (Antioch). Off Ramp blocked. Expect delays.

Contra Costa 1 month, 2 weeks ago

CHP : Traffic Collision on CA-4 Eastbound entering at Port Chicago Hwy (Concord). On Ramp blocked. Expect delays.

Contra Costa 1 month, 2 weeks ago

CHP : Fire on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Right shoulder affected. Expect delays.

Contra Costa 1 month, 3 weeks ago

CHP : Vehicle fire on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Right shoulder affected. Expect delays.

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). 2nd lane from the left affected. Expect delays.

Contra Costa 1 month, 3 weeks ago

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

Contra Costa 1 month, 3 weeks ago

CHP : Disabled vehicle on CA-4 Eastbound east of I-80 W (Hercules). Lane affected. Expect delays.

Contra Costa 1 month, 3 weeks ago

CHP : Traffic Hazard on CA-4 Eastbound at Port Chicago Hwy (Concord). Off Ramp blocked. Expect delays.

Contra Costa 2 months, 1 week ago

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

Contra Costa 2 months, 2 weeks ago

CHP : Disabled vehicle on CA-4 Eastbound south of CA-242 N (Concord). Lanes affected. Expect delays.

Contra Costa 2 months, 2 weeks ago

CHP : Traffic Collision on CA-4 Eastbound east of Bayberry Ave (Hercules). Lanes affected. Expect delays.

Contra Costa 2 months, 2 weeks ago

CHP : Vehicle fire on CA-4 Eastbound at CA-242 N (Concord). Off Ramp affected. Expect delays.

Contra Costa 2 months, 3 weeks ago

CHP : Traffic Collision and Debris on CA-4 Eastbound at Sand Creek Rd (Brentwood). Right lane blocked. Expect delays.

Contra Costa 2 months, 3 weeks ago

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

Contra Costa 2 months, 3 weeks ago

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

Contra Costa 2 months, 3 weeks ago

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

Contra Costa 2 months, 3 weeks ago

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

Contra Costa 2 months, 4 weeks ago

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

Contra Costa 2 months, 4 weeks ago

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

Contra Costa 2 months, 4 weeks ago

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

Contra Costa 3 months ago

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

Contra Costa 3 months ago

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

Contra Costa 3 months ago

CHP : Traffic Hazard on CA-4 Eastbound at Hillcrest Ave (Antioch). Off Ramp affected. Expect delays.

Contra Costa 3 months, 1 week ago

CHP : Disabled tractor trailer on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Off Ramp blocked. Expect delays.

Contra Costa 3 months, 1 week ago

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

Contra Costa 3 months, 1 week ago

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

Contra Costa 3 months, 1 week ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound exiting at Lone Tree Way Bypass (Antioch). Right lane blocked. Expect delays.

Contra Costa 3 months, 2 weeks ago

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

Contra Costa 3 months, 2 weeks ago

CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Eastbound east of Bailey Rd (Pittsburg). Right lane blocked. Expect delays.

Contra Costa 3 months, 2 weeks ago