The Jura -Simplon -Bahn (JS, French Chemin de fer Jura - Simplon) is a former railway company of Switzerland.
The Jura -Simplon Railway was a railway company, which was founded in 1890 by the merger of the tracks Suisse Occidentale -Simplon - (SOS) and the Pont - Vallorbe train founded. In the same year also the purchase of the Jura -Bern -Luzern -Bahn.
Your network stretched from Basel (Jura Bahn ) to the border crossings to France in Delle, La Chaux -de-Fonds, Les Verrières Vallorbe, Geneva and Brig, and to Lucerne and Brienz with a route length of 937 km.
After its founding, the JS was considering a year is a definite project for a Simplon tunnel prior to 1895 was the Treaty with Italy for the construction of the hitherto longest tunnel in the world from Brig to Demoiselle in Italy in the bag. 1898, work began on this 19'803 meters long tunnel. But still the Jura -Simplon Railway was nationalized on May 1, 1903 during the construction and the successor Railway, the Swiss Federal Railways ( SBB), completed the Simplon Tunnel in 1906.