Accident Moderate Severity Stale

CHP : Traffic Collision on I-680 Southbound entering at S Main St (Walnut Creek). Lane affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on August 5, 2026 at 11:26 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 5, 4:26 PM

Last Updated

5 hours, 1 minute ago

Aug 5, 4:30 PM

Coordinates

37.8848, -122.0547

Update History

1 observations

CHP : Traffic Collision on I-680 Southbound entering at S Main St (Walnut Creek). Lane affected. Expect delays. Aug 5, 4:30 PM

Source: 511_sfbay · ID 511.org/1531434 First seen Aug 5, 2026 4:30 PM