Accident
Resolved
CHP : Severe traffic alert on CA-4 Westbound east of Laurel Rd (Antioch). Lanes open. Expect delays.
A accident was reported on CA-4 W near Contra Costa on October 19, 2026 at 11:48 AM.
Last Updated
1 week, 1 day ago
Oct 19, 5:00 AM
Resolved
Oct 19, 11:15 AM
Coordinates
37.9761, -121.7419
Update History
2 observations
CHP : Severe traffic alert on CA-4 Westbound east of Laurel Rd (Antioch). Lanes open. Expect delays.
Oct 19, 5:00 AM
CHP : Severe traffic alert on CA-4 Westbound east of Laurel Rd (Antioch). Lane open. Expect delays.
Oct 19, 4:45 AM
Source: 511_sfbay · ID 511.org/1565642
First seen Oct 19, 2026 4:45 AM