About: High-speed railway track construction in France

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High-speed railway track construction is the process by which Lignes à Grandes Vitesses (LGV, litt. "high-speed railway line"), the land on which TGV trains are to run, is prepared for their use, involving carving the track bed and laying the track. This construction technique is used both for the French TGV network and other TGV-based networks outside of France.

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  • High-speed railway track construction is the process by which Lignes à Grandes Vitesses (LGV, litt. "high-speed railway line"), the land on which TGV trains are to run, is prepared for their use, involving carving the track bed and laying the track. This construction technique is used both for the French TGV network and other TGV-based networks outside of France. It is similar to the building of standard railway lines, but there are differences. In particular, construction process is more precise in order for the track to be suitable for regular use at 300 km/h (186 mph). The quality of construction was put to the test in particular during the TGV world speed record runs on the LGV Atlantique; the track was used at over 500 km/h (310 mph) without suffering significant damage. This contrasts with previous French world rail speed record (326/331 km/h in 1955) attempts which resulted in severe deformation of the track. (en)
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  • High-speed railway track construction is the process by which Lignes à Grandes Vitesses (LGV, litt. "high-speed railway line"), the land on which TGV trains are to run, is prepared for their use, involving carving the track bed and laying the track. This construction technique is used both for the French TGV network and other TGV-based networks outside of France. (en)
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  • High-speed railway track construction in France (en)
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