Woman Killed on Highway 4 in Antioch After Two-Vehicle Crash

What happened

A 20-year-old woman was killed on Highway 4 in Antioch after two vehicles struck her while she was searching for a lost phone in the roadway. The crash happened at about 2:31 a.m. on Oct. 4, 2026, east of Contra Loma Boulevard.

Location and time

The incident occurred on the eastbound Highway 4 lanes east of Contra Loma Boulevard in Antioch. It took place during the early morning hours, at approximately 2:31 a.m.

What is confirmed

The woman was 20 years old. She was looking for a lost phone when she was hit by two vehicles. The injuries were fatal.

The incident involved Highway 4 and two vehicles. The reported circumstances identify the woman’s search for her phone and her presence in the highway lanes before the collision.

Road safety context

The crash occurred on a major roadway in Antioch during the overnight hours. Drivers traveling through the area encountered a fatal collision involving a pedestrian in the highway lanes.

The event underscores the danger of entering active traffic lanes, including when trying to retrieve a lost item. A roadway lane is not a safe place to search for a phone or other property.

What remains to be established

The reported details establish the time, location, age of the woman, the reason she was in the lanes and that two vehicles struck her. Additional official details about the collision can clarify the sequence of events and any response connected to the crash.