Accident High Severity Resolved

CHP : Severe traffic alert and Traffic Collision on CA-242 Northbound south of Grant St (Concord). Left lanes blocked. Expect delays.

A high-severity accident was reported on CA-242 N near Contra Costa on July 11, 2026 at 1:32 AM.

Road

CA-242 N

Area

Contra Costa

Address

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Started

Jul 10, 6:32 PM

Last Updated

3 months, 2 weeks ago

Jul 10, 7:00 PM

Resolved

Jul 11, 1:00 AM

Coordinates

37.9823, -122.0417

Update History

1 observations

CHP : Severe traffic alert and Traffic Collision on CA-242 Northbound south of Grant St (Concord). Left lanes blocked. Expect delays. Jul 10, 6:45 PM

Source: 511_sfbay · ID 511.org/1519499 First seen Jul 10, 2026 6:45 PM