NORTH HAVEN, Conn. -- A man was killed when his car rolled off Interstate 91 in a crash in North Haven early Thursday morning.

Police said at about 12:30 a.m. a car driven by Scott Farquharson, 36, of Wallingford, crashed with another vehicle on the southbound side of Interstate 91. The car then crossed over the right shoulder of the roadway, went over the guardrail and through a wooded area. Police said the car then landed on its roof below the roadway.

Farquharson was killed in the crash.

The other driver, identified as Herman Morales, 22, of West Haven, was uninjured in the crash, police said.

The crash remains under investigation.