PORTSMOUTH - A Methuen, Mass., man was killed Friday night when he was ejected from his vehicle during a crash on Interstate 95 northbound.

According to New Hampshire State Police, the accident happened about 9:49 p.m. and involved a single vehcile.

"Preliminary investigation revealed that a 2006 Chevy HHR sedan, being driven by William Lasonde, age 63, of Methuen, Mass., was traveling northbound on Interstate 95. The vehicle left the right side of the roadway, struck a guardrail, and rolled over multiple times," Troop A said in a statement. "As a result, Lasonde was ejected from the vehicle. Lasonde was transported to the Portsmouth Regional Hospital where he later died as a result of his injuries."

This accident occurred in the right median area separating Interstate 95 northbound and the Exit 5 exit ramp. A portion of the right travel lane was closed for approximately two hours as Troopers investigated.

Assisting New Hampshire State Police at the scene were both the Portsmouth Police Department and the Portsmouth Fire Department.

This accident remains under investigation by Trooper Scott Garton. Anyone with information is asked to contact Trooper Garton at (603) 223-8490.