The driver of a Frito-Lay potato chip delivery truck was unharmed after the vehicle he was driving went up in flames early Monday morning on the Millstream overpass in Langford.

Langford fire received the call at 6:15 a.m. and crews arrived to find the cargo compartment of the truck fully involved.

Investigators say it is unknown what caused the blaze, which got away from the truck driver while attempting to put it out.

The southbound lanes of the road were closed until the fire was put out.

There was major damage to the truck.