Accident
Moderate Severity
Resolved
CHP : Traffic Collision on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Left lane blocked. Expect delays.
A injury accident was reported on CA-4 E near Contra Costa on April 17, 2026 at 1:08 AM.
Last Updated
6 months, 1 week ago
Apr 16, 7:00 PM
Coordinates
38.0236, -121.9740
Update History
3 observations
CHP : Traffic Collision on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Left lane blocked. Expect delays.
Apr 16, 6:45 PM
CHP : Traffic Collision on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Left lane blocked. Expect delays.
Apr 16, 6:30 PM
CHP : Traffic Collision on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). 2nd lane from the left blocked. Expect delays.
Apr 16, 6:15 PM
Source: 511_sfbay · ID 511.org/1482346
First seen Apr 16, 2026 6:15 PM