The Transports de Martigny et Régions company in the Valais canton of Switzerland operates bus and coach services and two electric railway lines: Martigny–Châtelard Railway, 1,000 mm metre gauge, with the Mont-Blanc Express Martigny–Orsières Railway, 1,435 mm standard gauge, with the Saint-Bernard ExpressThe company is the result of merging Martigny–Orsières Railway and the Martigny–Châtelard Railway in 2001 with the official date 2000-01-01 to form the Transports de Martigny et Régions. Wikipedia