Authorities say a Dewey man has died after his moped was struck in a rear-end collision in Prescott Valley.
Prescott Valley police say the incident happened Saturday at about 12:30 p.m. on State Route 69.
According to investigators, a Nissan four-door sedan rear-ended a moped.
The impact threw the moped rider, 74-year-old Thomas Hall, from the bike and onto the road shoulder.
Responding officers say he suffered a serious head injury. Hall died while being airlifted to a hospital.
The 46-year-old woman driving the sedan was not injured.
Police say she stayed at the scene. They did not find any signs of impairment.
They say Hall was not wearing a helmet at the time of the collision.
The incident remains under investigation.