CA-4 W · Last 48 Hours

CA-4 W Accident Today

4 accidents on CA-4 W in the last 24 hours · 6 in 48 hours · updated July 31, 2026 7:57 PM PDT

4

Last 24h

6

Last 48h

0

High Severity

31

This Week

6

Construction

7-Day Trend

31 crashes

↑ More than last week

31 crashes in the last 7 days, up 15% vs the previous week.

12–24 hours ago

4 incidents

22h ago 9:00 PM

Caltrans : Roadwork on CA-4 Westbound exiting at Hillcrest Ave (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

23h ago 8:00 PM

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Various lanes closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

23h ago 8:00 PM

Caltrans : Roadwork on CA-4 Westbound between Laurel Rd (Antioch) and CA-160 (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

23h ago 8:00 PM

Caltrans : Roadwork on CA-4 Westbound entering at Hillcrest Ave (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

24–48 hours ago

2 incidents

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Various lanes closed until 5 AM. From 7:00 PM Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026.

Caltrans : Roadwork on CA-4 Westbound between Laurel Rd (Antioch) and CA-160 (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026.

Frequently Asked Questions

Are accidents on CA-4 W 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 W in the last 7 days?

31 crashes were reported on CA-4 W in the last 7 days.

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

Construction are the most frequently reported incident type on CA-4 W 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.