Accident Moderate Severity Active

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays.

A injury accident was reported on I-680 S near Contra Costa on June 11, 2026 at 8:43 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Jun 11, 1:43 PM

Last Updated

12 minutes ago

Jun 11, 6:15 PM

Coordinates

37.8009, -121.9885

Update History

6 observations

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays. Jun 11, 6:15 PM

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays. Jun 11, 5:30 PM

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays. Jun 11, 5:15 PM

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays. Jun 11, 4:45 PM

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays. Jun 11, 4:15 PM

CHP : Traffic Collision on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane blocked. Expect delays. Jun 11, 4:00 PM

Source: 511_sfbay · ID 511.org/1506980 First seen Jun 11, 2026 4:00 PM