Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of I-680 N (Martinez). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on June 17, 2026 at 12:43 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 16, 5:43 PM

Last Updated

14 hours, 39 minutes ago

Jun 16, 6:15 PM

Resolved

Jun 17, 12:15 AM

Coordinates

37.9942, -122.0706

Update History

1 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of I-680 N (Martinez). Right lane blocked. Expect delays. Jun 16, 6:15 PM

Source: 511_sfbay · ID 511.org/1509156 First seen Jun 16, 2026 6:15 PM