Accident
High Severity
Resolved
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
A high-severity accident was reported on CA-4 E near Contra Costa on May 10, 2026 at 7:42 AM.
Last Updated
1 month ago
May 10, 6:45 AM
Resolved
May 10, 12:45 PM
Coordinates
38.0188, -121.9480
Update History
6 observations
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
May 10, 12:45 AM
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
May 10, 12:30 AM
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
May 10, 12:15 AM
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
May 10, 12:00 AM
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.
May 9, 11:45 PM
CHP : Traffic Collision on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp blocked. Expect delays.
May 9, 11:30 PM
Source: 511_sfbay · ID 511.org/1492564
First seen May 9, 2026 11:30 PM