Accident Low Severity Stale

CHP : Residual delays on CA-4 Westbound at L St (Antioch). Center Divider affected. Expect delays.

A minor accident was reported on CA-4 W near Contra Costa on July 28, 2026 at 12:42 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 27, 5:42 PM

Last Updated

2 hours, 36 minutes ago

Jul 27, 5:45 PM

Coordinates

37.9996, -121.8213

Update History

1 observations

CHP : Residual delays on CA-4 Westbound at L St (Antioch). Center Divider affected. Expect delays. Jul 27, 5:45 PM

Source: 511_sfbay · ID 511.org/1527043 First seen Jul 27, 2026 5:45 PM