Accident
Moderate Severity
Resolved
CHP : Disabled tractor trailer on CA-4 Westbound west of Willow Pass Rd (Concord). 3rd lane from the left blocked. Expect delays.
A injury accident was reported on CA-4 W near Contra Costa on June 29, 2026 at 12:54 PM.
Last Updated
3 months, 4 weeks ago
Jun 29, 8:15 AM
Coordinates
38.0232, -121.9781
Update History
4 observations
CHP : Disabled tractor trailer on CA-4 Westbound west of Willow Pass Rd (Concord). 3rd lane from the left blocked. Expect delays.
Jun 29, 8:15 AM
CHP : Disabled tractor trailer on CA-4 Westbound west of Willow Pass Rd (Concord). 3rd lane from the left blocked. Expect delays.
Jun 29, 7:15 AM
CHP : Disabled tractor trailer on CA-4 Westbound west of Willow Pass Rd (Concord). 3rd lane from the left blocked. Expect delays.
Jun 29, 6:15 AM
CHP : Disabled tractor trailer on CA-4 Westbound west of Willow Pass Rd (Concord). Lane affected. Expect delays.
Jun 29, 6:00 AM
Source: 511_sfbay · ID 511.org/1514628
First seen Jun 29, 2026 6:00 AM