The rail transportation system is known as an economical and safe mode of transportation. The first railway construction in Türkiye was started in 1856 with the İzmir-Aydın Railway and İzmir Town Rail-way lines. As of the end of 2020, the total length of railways in Türkiye is 12,803 km, 1,213 km of which is high-speed railway lines. The High-Speed Train (HST), which constitutes the rail transportation sys-
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