A maker of wagons is called a wainwright.
It is called harnessing or hitching a horse to a wagon. This involves using a harness with straps to attach the horse to the wagon, allowing the horse to pull the weight of the wagon.
It is not wagon trains. Groups of covered wagons are called prairie schooners. But we can also call it wagon trains, I guess.
cause they are wagon burners xD
A horse drawn wagon on rails is called a sled or sleigh.
Wagon trains.
A young wagon is typically referred to as a "cart" or a "scooter."
A Conastoga wagon.
A teamster
A cart.
A maker of wagons is called a wainwright.
Roof
A cart.