Accident High Severity Resolved

CHP : Traffic Hazard on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp blocked. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on August 3, 2026 at 10:39 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 3, 3:39 PM

Last Updated

13 hours, 14 minutes ago

Aug 3, 4:00 PM

Resolved

Aug 3, 10:15 PM

Coordinates

37.7636, -121.9679

Update History

1 observations

CHP : Traffic Hazard on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp blocked. Expect delays. Aug 3, 3:45 PM

Source: 511_sfbay · ID 511.org/1530361 First seen Aug 3, 2026 3:45 PM