Accident
High Severity
Stale
CHP : Severe traffic alert and Traffic Collision on I-580 Westbound east of Hacienda Dr (Pleasanton). Left and center lanes blocked. Expect delays.
A high-severity accident was reported on I-580 W near Alameda on June 5, 2026 at 12:54 AM.
Last Updated
41 minutes ago
Jun 4, 6:30 PM
Coordinates
37.7018, -121.8837
Update History
3 observations
CHP : Severe traffic alert and Traffic Collision on I-580 Westbound east of Hacienda Dr (Pleasanton). Left and center lanes blocked. Expect delays.
Jun 4, 6:30 PM
CHP : Traffic Collision on I-580 Westbound east of Hacienda Dr (Pleasanton). 2nd lane from the left blocked. Expect delays.
Jun 4, 6:15 PM
CHP : Traffic Collision on I-580 Westbound east of Hacienda Dr (Pleasanton). Left lane blocked. Expect delays.
Jun 4, 6:00 PM
Source: 511_sfbay · ID 511.org/1503834
First seen Jun 4, 2026 6:00 PM