Pittsburgh EMS, Fire, and Police responded to the southbound lanes of Route 65 just after 2 a.m. for a rollover collision.
When first responders arrived, they located a tractor trailer rolled onto the passenger side.
The driver was able to exit the cab, and was not injured. The HazMat response team arrived to contain the leaking diesel fuel.
The Collision Investigation Unit arrived to process the scene.
Route 65 in the direction to Downtown Pittsburgh is closed until the loaded materials and truck can be removed.