The term 'Train Track' is used to refer to the tracks that trains run on. The crossword solutions for this term include 'Rails' (5 letters), 'RAIL' (4 letters), 'RAILWAY' (7 letters) and 'RAILROAD' (8 letters). Rails are the metal bars that are laid in a line to form the track, while a RAIL is a single bar. A RAILWAY is a system of tracks, signals, and other equipment for the operation of trains, while a RAILROAD is a permanent road consisting of two parallel steel rails that provide a track for trains and other vehicles.