A passenger train enters the south portal of the Gotthard rail tunnel between Erstfeld and Pollegio, in Pollegio, Switzerland, Sunday, Dec. 11, 2016.
The famed Gotthard Base Tunnel (GBT) had a ceremonial opening in June, attracting European leaders like German Chancellor Angela Merkel and French President Francois Hollande for its maiden ride.
The tunnel was built as part of an infrastructure project with a budget of over 22.6 billion dollars to facilitate and accelerate the movement of passengers and cargo by rail.
The first trains ran from Zurich to Lugano on Sunday, SBB said in a statement and YouTube video.
The Swiss funded tunnel was largely made possible by technical advances in tunnel-boring machines, which replaced the costly and risky blast-and-drill method. The construction of the 57-kilometer long tunnel began in 1999, the breakthrough was in 2010.
The 50.5-kilometre Channel Tunnel connecting Britain and France has been bumped into third place. This news story is related to Print/171440-Worlds-longest-tunnel-opens-regular-service-in-Switzerland/ - breaking news, latest news, pakistan ne.
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