Accident
Stale
CHP : Traffic Collision on CA-4 Eastbound east of Somersville Rd (Antioch). All lanes open. Expect delays.
A accident was reported on CA-4 E near Contra Costa on August 8, 2026 at 10:22 AM.
Last Updated
1 hour, 18 minutes ago
Aug 8, 3:30 AM
Coordinates
38.0024, -121.8327
Update History
1 observations
CHP : Traffic Collision on CA-4 Eastbound east of Somersville Rd (Antioch). All lanes open. Expect delays.
Aug 8, 3:30 AM
Source: 511_sfbay · ID 511.org/1532764
First seen Aug 8, 2026 3:30 AM