Accident Moderate Severity Resolved

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Lane affected. Expect delays.

A injury accident was reported on I-680 N near Alameda on September 18, 2026 at 2:02 AM.

Road

I-680 N

Area

Alameda

Address

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Started

Sep 17, 7:02 PM

Last Updated

1 month, 1 week ago

Sep 17, 7:15 PM

Resolved

Sep 18, 1:15 AM

Coordinates

37.7222, -121.9388

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). Lane affected. Expect delays. Sep 17, 7:15 PM

Source: 511_sfbay · ID 511.org/1551042 First seen Sep 17, 2026 7:15 PM