CA-4 E · Last 48 Hours

CA-4 E Accident Today

9 accidents on CA-4 E in the last 24 hours · 14 in 48 hours · updated Oct. 27, 2026 5:29 AM PDT

9

Last 24h

14

Last 48h

2

High Severity

35

This Week

8

Accident

6

Construction

7-Day Trend

35 crashes

↑ More than last week

35 crashes in the last 7 days, up 40% vs the previous week.

6–12 hours ago

5 incidents

6h ago 11:15 PM

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Monday, October 26, 2026 to 4:00 AM Tuesday, October 27, 2026.

6h ago 11:00 PM

Caltrans : Roadwork on CA-4 Eastbound at Sand Creek Rd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

6h ago 11:00 PM

Caltrans : Roadwork on CA-4 Eastbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

6h ago 11:00 PM

Caltrans : Roadwork on CA-4 Eastbound at Bixler Rd (Discovery Bay). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

10h ago 7:00 PM

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

12–24 hours ago

4 incidents

13h ago 3:30 PM

CHP : Disabled vehicle on CA-4 Eastbound entering at Willow Pass Rd (Pittsburg). Left lane blocked. Expect delays.

14h ago 2:30 PM

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

17h ago 11:45 AM

CHP : Disabled vehicle on CA-4 Eastbound west of Balfour Rd (Brentwood). Left shoulder affected. Expect delays.

18h ago 11:15 AM

Caltrans : Roadwork on CA-4 Eastbound at Bailey Rd (Pittsburg). Lane closed until 2 PM. From 9:30 AM Monday, October 26, 2026 to 2:00 PM Monday, October 26, 2026.

24–48 hours ago

5 incidents

1d ago 12:15 AM

CHP : Disabled vehicle on CA-4 Eastbound at Railroad Ave (Pittsburg). Lane affected. Expect delays.

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

CHP : Disabled vehicle on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays.

CHP : Disabled vehicle on CA-4 Eastbound at Hillcrest Ave (Antioch). Lane affected. Expect delays.

1d ago 12:00 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of CA-160 (Antioch). Right lane blocked. Expect delays.

Frequently Asked Questions

Are accidents on CA-4 E reported live?

Yes — this page refreshes throughout the day as new incidents are logged by the California Highway Patrol. Crash data typically appears within 15–30 minutes of being reported.

How many accidents happened on CA-4 E in the last 7 days?

35 crashes were reported on CA-4 E in the last 7 days.

What type of accident is most common on CA-4 E?

Accident are the most frequently reported incident type on CA-4 E based on recent data.

Where can I see all California accidents today?

A live feed of all active crashes across California is available on the California accidents today page.

Where does this crash data come from?

Crash data is sourced from the California Highway Patrol (CHP) Computer-Aided Dispatch feed and the CCRS historical crash database. Learn more about our data sources.