A 21-year-old man was riding a motorcycle in the area when he crashed into the rear of a commercial vehicle

Tucson, AZ.- A motorcyclist was killed in a crash with a commercial vehicle in Tucson on Wednesday, according to the Arizona Department of Public Safety.
The crash happened on I-10 at Speedway on Wednesday, July 9.
A 21-year-old man was riding a motorcycle in the area when he crashed into the rear of a commercial vehicle.
The impact caused the rider to be ejected from his motorcycle.
Another passing vehicle struck the motorcycle and possibly the rider.
The motorcyclist was pronounced deceased at the scene.
Authorities are conducting an investigation into the collision.