The Southbound Southfield Freeway has reopened at Grand River after a deadly accident Monday morning involving a motorcycle.

Michigan State Police closed the freeway shortly after 2:30 a.m. Monday morning while they do an accident investigation. The southbound lanes of the freeway were closed from 2:40 a.m. to 5:30 a.m.

Witnesses tell Local 4, the motorcycle was traveling at a high rate of speed when the biker rear-ended a semi. The driver, a 34-year-old Detroit man, was pronounced dead at the scene. He was wearing a helmet.