Huntsville Police are on the scene of a fatal wreck involving a motorcycle on Chapman Mountain.
According to Huntsville Police, a motorcycle traveling in excess of 100 miles per hour was going east and cresting the top of Chapman Mountain at Epworth Drive when he slammed into the back of an 18-wheeler.
The driver of the motorcycle died instantly.
The eastbound lanes of Highway 72 are closed as Huntsville Police continue their investigation. Traffic is being rerouted.
WHNT News 19 has a crew on the scene actively working this story, and we will bring you more details as soon as we get them.