A train carries truck trailers long distances. The trailers are then offloaded, attached to truck tractors, and the tractor-trailer combinations are driven to their final destination. This practice is known as:

Question

Quizplus · Accepted Answer

Piggyback service means loading truck trailers on railcars to provide both speed and flexibility. Railroads pick-up truck trailers at the producer's location, load them onto specially designed rail flatcars, and haul them as close to the customer as rail lines run. The trailers are then hooked up to a truck tractor and delivered to the buyer's door.

A Train Carries Truck Trailers Long Distances