Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Southbound entering at Sycamore Valley Rd (Danville). Right shoulder affected. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on May 11, 2026 at 1:22 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

May 11, 6:22 AM

Last Updated

5 months, 2 weeks ago

May 11, 7:00 AM

Resolved

May 11, 1:15 PM

Coordinates

37.8149, -121.9935

Update History

2 observations

CHP : Traffic Hazard on I-680 Southbound entering at Sycamore Valley Rd (Danville). Right shoulder affected. Expect delays. May 11, 7:00 AM

CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). Lane affected. Expect delays. May 11, 6:30 AM

Source: 511_sfbay · ID 511.org/1492840 First seen May 11, 2026 6:30 AM