A 13-year-old bicyclist sustained major injuries after being struck by a vehicle in the City of Antioch on Monday.
According to preliminary information, a bicyclist was struck by a vehicle at approximately 6:45 pm at Muirwood Drive and Lone Tree Way. The incident has shutdown the roadway. A medical helicopter also responded to the scene at the request of Contra Costa County Fire Protection District. The rider was a juvenile.
The Antioch Police Department released no information on the incident, however, did urge the community to avoid the area: Please avoid the area of Lone Tree Way at Muirwood Drive due to a traffic collision. Our Traffic Unit is responding. We will update this post once the roadway is clear.
Tuesday: 1:00 pm UPDATE from APD
On August 4, 2025, at approximately 6:46 PM, Antioch Police officers witnessed a motor vehicle collision involving a bicyclist at the intersection of Lone Tree Way and Muirwood Way.
A Nissan Pathfinder was traveling westbound on Lone Tree Way and proceeded through the intersection of Muirwood Way, when the vehicle struck a 13-year-old male who was riding his bicycle northbound across Lone Tree Way.
Officers immediately rendered aid to the male juvenile who was on the ground and unresponsive.
The juvenile was life-flighted to an area hospital with major injuries, where he is listed in critical but stable condition. The 24-year-old male driver of the Nissan remained on scene and cooperated with investigators.
Alcohol and/or drugs do not appear to be a factor.
The Antioch Police Department’s Traffic Unit took over the investigation. This collision investigation is in the preliminary stages and the names of the parties involved are not being released at this time. Based on preliminary information at the scene, speed does not appear to be factor in this collision.
Anyone with information is asked to call the Antioch Police Department non-emergency line at (925)778-2441 or Traffic Collision Investigator Officer Egan at 925-204-1587, email jegan@antiochca.gov