Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 19, 2026 at 3:19 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 19, 8:19 AM

Last Updated

1 hour, 9 minutes ago

Jun 19, 8:30 AM

Coordinates

38.0174, -121.9904

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). 2nd lane from the left blocked. Expect delays. Jun 19, 8:30 AM

Source: 511_sfbay · ID 511.org/1510426 First seen Jun 19, 2026 8:30 AM