Douglas Johnson, 60, killed in motorcycle accident on Interstate 95 in Stonington on May 3.

Police are investigating the motorcycle crash that killed a 60-year-old Mystic man on Interstate 95 in Stonington last night.

Douglas Johnson was driving northbound on I-95 when he lost control of his motorcycle near exit 90 in Stonington. Police said the crash happened just after 5 p.m. Saturday, May 3.

Johnson’s motorcycle struck a metal guard rail near the Route 27 overpass, continued onto the bridge and struck another guard rail on the left shoulder, according to police.

Police said Johnson was thrown from his motorcycle and died of his injuries. He was wearing a helmet.

Anyone with information is urged to call State Police Trooper First Class Armando Bettini at 860-848-6500 ext. 5052.