ocr: Pioneers of aviation and cobuilders of the Concorde, the French today lead the worldin high-speed train technology, with the TGV (Train à Grande Vitesse). - The first TGV line, openedin 1983, does the 285-mile Paris to. Lyonjourney in two hours - faster, doorto-door, than air travel. TGV lines have since been built to the north and west as well as to the Channel Tunnel, which openedin 1994.It was the French, more than the British, who pressedfor the tunnel to be built.