A motorcylist was killed and his wife was critically injured in a collision Sunday night on Textile Road in Ypsilanti Township, Washtenaw County Sheriff's deputies said.

A 2006 Yamaha R1 motorcyle was traveling east when it struck the rear of a 2006 Hummer traveling in the same direction at about 9:50 p.m, ejected the motorcycle operator and his wife, a sheriff's office news release said.

The 29-year-old motorcyclist from Ypsilanti Township was taken by ambulance to St. Joseph Mercy Hospital, where he was pronounced dead.

His wife, who was a passenger, was airlifted to the hospital, where she remains in critical condition, the release said.

The collision remains under investigation.