TGV: The name Train a grande vitesse TGV translated into English means high speed train. The TGv is a system which comprises train, track, and signalling technologies that when combined make high speeds(typically 300 km/h, or 186 mph) possible. The TGV system is owned and operated by snce, the French national railways, and is an integral part of French rail travel. The TGV program was launched in the late 1960s. In its early stages, the program was considered a technological dead end• TGV: The name “Train à Grande Vitesse (TGV)” translated into English means high speed train. The TGV is a system which comprises train, track, and signalling technologies that when combined make high speeds (typically 300 km/h, or 186 mph) possible. The TGV system is owned and operated by SNCF, the French national railways, and is an integral part of French rail travel. The TGV program was launched in the late 1960s. In its early stages, the program was considered a technological dead end