An ambulance was reported en route Monday afternoon after a traffic collision on the westbound State Route 4 connector to westbound Interstate 80 in the Contra Costa CHP area. The incident was logged at approximately 3:42 p.m. on Aug. 31, 2026.
The reported location was the westbound Route 4 connection leading to westbound I-80. CHP identified the roadway segment as the westbound Route 4-to-westbound I-80 connector.
A CHP dispatch update at 3:56 p.m. continued to reference a vehicle involved in the incident. The available dispatch information did not identify the vehicle type or provide details about how the collision occurred.
CHP did not report the number of people involved, the extent of any injuries, or whether lanes were blocked. The dispatch record also did not provide additional information about traffic impacts or the final condition of the scene.
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