Contra Costa County, CA (June 16, 2026) – Three people were reportedly hurt in a hit-and-run on eastbound State Route 4 near Walnut Boulevard late Sunday night, June 14.
According to CHP dispatch information, the call was received around 10:05 p.m. on eastbound SR-4 just east of Walnut Boulevard. Initial reports indicated an open-line emergency notification. Additional information later suggested that a mother and grandmother were among those injured.
Emergency units were dispatched to the roadway, where a vehicle was reported on the right-hand shoulder with its hazard lights activated. Details regarding the number of vehicles involved and the circumstances leading up to the hit-and-run were not immediately available.
The identities of the people involved have not yet been released. Investigators are continuing to gather information about what led to the crash and are working to identify the driver who left the area.
Our thoughts are with those hurt and their families as they recover.
What Information Is Commonly Collected After a Hit-and-Run Collision?
After a hit-and-run, investigators typically work to determine the sequence of events and identify the vehicle that left the roadway. Witness statements, surveillance footage, traffic cameras, and physical evidence can all help piece together what occurred.
Vehicle debris, paint transfers, and damage patterns are usually examined to establish contact between vehicles. In some cases, cellphone videos or dashboard camera recordings provide valuable clues. Medical records may also help document the extent of injuries reported by those involved.
As information is collected, investigators may compare evidence with vehicle registration databases and other available resources. The amount of information released publicly may depend on the stage of the investigation and whether identifying details could assist in locating the driver involved.