Accident Low Severity Resolved

CHP : Residual delays on CA-4 Westbound east of Somersville Rd (Antioch). Center Divider affected. Expect delays.

A minor accident was reported on CA-4 W near Contra Costa on October 24, 2026 at 7:07 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 24, 12:07 PM

Last Updated

2 days, 18 hours ago

Oct 24, 12:15 PM

Resolved

Oct 24, 6:30 PM

Coordinates

38.0035, -121.8355

Update History

1 observations

CHP : Residual delays on CA-4 Westbound east of Somersville Rd (Antioch). Center Divider affected. Expect delays. Oct 24, 12:15 PM

Source: 511_sfbay · ID 511.org/1568098 First seen Oct 24, 2026 12:15 PM