TGV
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The TGV is France's intercity high-speed rail service, operated mainly by SNCF. SNCF worked on a high-speed rail network from 1966 to 1974 and presented the project to President Georges Pompidou who approved it. Wikipedia
Dates of operation: 1981; 43 years ago –present
Track gauge: 1,435 mm (4 ft 8+1⁄2 in) (standard gauge)