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.

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

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Authorities say the driver was not injured.

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