A man was killed early Wednesday morning after crashing his dirt bike into a guard rail in White Oak, according to the Allegheny County Police Department.

At 1:18 a.m., police were called to the 1200 block of Long Run Road, where officers found a man lying in the road, according to police.

The man, who was not identified, was dead by the time first responders arrived at the scene.

Preliminary investigations indicate the man was riding a street-legal dirt bike and hit a guard rail, police say.

Police continue to investigate.