Accident Moderate Severity Resolved

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

A injury accident was reported on I-680 S near Contra Costa on June 21, 2026 at 8:19 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jun 21, 1:19 AM

Last Updated

4 months ago

Jun 21, 1:30 AM

Resolved

Jun 21, 7:30 AM

Coordinates

37.8908, -122.0608

Update History

2 observations

CHP : Traffic Collision on I-680 Southbound south of S Main St (Walnut Creek). Lane affected. Expect delays. Jun 21, 1:30 AM

CHP : Traffic Collision on I-680 Southbound south of S Main St (Walnut Creek). Lane affected. Expect delays. Jun 21, 1:15 AM

Source: 511_sfbay · ID 511.org/1511162 First seen Jun 21, 2026 1:15 AM