Wagon specially built or equipped for the transport of intermodal transport units (ITUs) or other goods road vehicles. Types of wagons are:
- Pocket wagon: rail wagon with a recessed pocket to accept the axle/wheel assembly of a semi-trailer;
- Basket wagon: rail wagon with a demountable sub frame, -fitted with devices for vertical handling to allow the loading and unloading of semi-trailers or road motor vehicles;
- Spine wagon: rail wagon with a central chassis designed to carry a semi-trailer;
- Low floor wagon: Rail wagon with a low loading platform built to carry, inter alia ITUs;
- Rolling-Road wagon: rail wagon with low floor throughout which, when coupled together, form a rolling-road;
- Double stack wagon: rail wagon designed for the transport of containers stacked on top of each other;
- Bimodal semi-trailer: a road semi-trailer that can be converted into a rail wagon by the addition of rail bogies.