State authorities are probing the death of a motorcycle rider killed in a traffic accident after a New Jersey police officer tried to stop him last week.

The New Jersey attorney general’s office reports a Woodbridge Township officer tried to stop the rider Wednesday shortly before 10 a.m. in the northbound lanes of Route 1.

Authorities said the motorcycle rider continued north and was struck by a truck. He was pronounced dead at the scene minutes later. The man’s name wasn’t immediately released.

The attorney general’s office is required to investigate any death that occurs in an encounter with a law enforcement officer.