The rolling stock will comprise all the stock likely to travel on all or part of the trans-European conventional rail network, including—
self-propelling thermal or electric trains;
thermal or electric traction units;
passenger carriages;
freight wagons, including rolling stock designed to carry lorries.
Mobile railway infrastructure construction and maintenance equipment is included but is not the first priority.
Each of the above categories is subdivided into—
rolling stock for international use;
rolling stock for national use.