MONTGOMERY COUNTY, Pa. (CBS)—No one was injured after a truck goes up in flames in Montgomery County.

It happened on Rt. 309 northbound near the Waverly Road underpass on Friday afternoon.

Chopper 3 was over the scene as the fire tore through the truck.

Authorities say the driver was not injured.

Northbound lanes of Rt. 309 are closed while crews continue to extinguish the blaze.