Accident High Severity Resolved

CHP : Traffic Hazard on I-680 Northbound entering at Castlewood Dr (Pleasanton). On Ramp affected. Expect delays.

A high-severity accident was reported on I-680 N near Alameda on September 28, 2026 at 8:10 PM.

Road

I-680 N

Area

Alameda

Address

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Started

Sep 28, 1:10 PM

Last Updated

4 weeks, 1 day ago

Sep 28, 1:30 PM

Resolved

Sep 28, 7:45 PM

Coordinates

37.6427, -121.8866

Update History

1 observations

CHP : Traffic Hazard on I-680 Northbound entering at Castlewood Dr (Pleasanton). On Ramp affected. Expect delays. Sep 28, 1:30 PM

Source: 511_sfbay · ID 511.org/1555932 First seen Sep 28, 2026 1:30 PM