Accident
High Severity
Resolved
CHP : Traffic Collision on CA-4 Eastbound exiting at Willow Pass Rd (Pittsburg). Off Ramp blocked. Expect delays.
A high-severity accident was reported on CA-4 E near Contra Costa on April 19, 2026 at 2:04 PM.
Last Updated
1 month, 3 weeks ago
Apr 19, 7:45 AM
Coordinates
38.0237, -121.9721
Update History
7 observations
CHP : Traffic Collision on CA-4 Eastbound exiting at Willow Pass Rd (Pittsburg). Off Ramp blocked. Expect delays.
Apr 19, 7:30 AM
CHP : Traffic Collision on CA-4 Eastbound at Willow Pass Rd (Pittsburg). Off Ramp blocked. Expect delays.
Apr 19, 7:15 AM
CHP : Traffic Collision on CA-4 Eastbound at Willow Pass Rd (Pittsburg). Off Ramp affected. Expect delays.
Apr 19, 7:00 AM
CHP : Traffic Collision on CA-4 Eastbound at Willow Pass Rd (Pittsburg). Off Ramp affected. Expect delays.
Apr 19, 6:45 AM
CHP : Traffic Collision on CA-4 Eastbound at Willow Pass Rd (Pittsburg). Off Ramp affected. Expect delays.
Apr 19, 6:15 AM
CHP : Traffic Collision on CA-4 Eastbound at Willow Pass Rd (Pittsburg). Off Ramp affected. Expect delays.
Apr 19, 6:00 AM
CHP : Traffic Collision on CA-4 Eastbound at Willow Pass Rd (Pittsburg). Off Ramp affected. Expect delays.
Apr 19, 5:30 AM
Source: 511_sfbay · ID 511.org/1483285
First seen Apr 19, 2026 5:30 AM