A 39-year-old motorcyclist died after a crash Tuesday on the Pennsylvania Turnpike Northeast Extension in Lehigh County.

The man was riding his motorcycle in the northbound lane about 4:25 p.m. near mile marker 63 in North Whitehall Township when it was involved in a collision with a tractor-trailer, Coroner Daniel A. Buglio said in a news release.

The motorcyclist was seriously injured and taken to Lehigh Valley Hospital-Cedar Crest, where he was pronounced dead about an hour later.

Buglio said he is withholding identification to allow the man’s family time to grieve.

State police are investigating the crash.