Vehicle for the automatic laying of a track by a vehicle travelling on said track and track designed for installation by such a vehicle

A track and a vehicle, said track being comprised of track elements and said vehicle being operable to lay said track elements and being guided and advanced on said track, said vehicle comprising a chassis provided with guiding and advancing means engaged on said track elements and a carriage for transporting a carried track element and positioning said carried track element at a free end of said track so as to interlock said carried track element with said track, each of said track elements having front and rear ends and a rail system, said track elements being joined at said front and rear ends such that said rail system extends generally continuously along said track, said front and rear ends of said track elements providing faces defining substantially complimentary, vertically abutting, sliding couplings for interlocking engagement of the track elements, said rail system being engagable with said guiding and advancing means to guide said vehicle along said track elements, said track elements being engagable with said guiding and advancing means to advance said vehicle along the track elements.