PHOENIX - A motorcyclist has died after a crash around 7 p.m. on 19th Avenue near Loop 101 Sunday.

Police said the motorcycle collided with a car going onto 19th Avenue from West Behrend Drive.

The man driving the motorcycle died on scene. Police said he was not wearing a helmet.

The woman driving the car stopped and is cooperating with investigators, police said.

Driver impairment is suspected, according to police.

The roadway is expected to be restricted four hours after the crash for the investigation.