Accident High Severity Resolved

CHP : Traffic Collision on I-580 Westbound west of Grant Line Rd (Unincorporated). Off Ramp affected. Expect delays.

A high-severity accident was reported on I-580 W near Alameda on September 20, 2026 at 6:47 AM.

Road

I-580 W

Area

Alameda

Address

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Started

Sep 19, 11:47 PM

Last Updated

1 month, 1 week ago

Sep 20, 12:45 AM

Resolved

Sep 20, 7:00 AM

Coordinates

37.7414, -121.5808

Update History

2 observations

CHP : Traffic Collision on I-580 Westbound west of Grant Line Rd (Unincorporated). Off Ramp affected. Expect delays. Sep 20, 12:00 AM

CHP : Traffic Collision on I-580 Westbound east of Greenville Rd (Livermore). Lanes affected. Expect delays. Sep 19, 11:15 PM

Source: 511_sfbay · ID 511.org/1552063 First seen Sep 19, 2026 11:15 PM