Accident High Severity Stale

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Port Chicago Hwy (Concord). On Ramp blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on June 10, 2026 at 10:17 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 10, 3:17 PM

Last Updated

2 hours, 24 minutes ago

Jun 10, 4:15 PM

Coordinates

38.0101, -122.0178

Update History

1 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Port Chicago Hwy (Concord). On Ramp blocked. Expect delays. Jun 10, 4:00 PM

Source: 511_sfbay · ID 511.org/1506444 First seen Jun 10, 2026 4:00 PM