SWS Engineering has completed the detailed design for the 247km Sivas - Erzincan high-speed railway under a contract with Turkish State Railways (TCDD).

The 250km/h line, which will have five stations, will be part of a strategic corridor linking China and Central Asia to Europe via İstanbul, Ankara, Sivas, Erzincan, Kars, Tbilisi and Baku.

SWS Engineering says the mixed-use line passes through zones with exceptionally high seismicity, very poor soils and complex hydrogeological conditions.

The route includes 59 viaducts with a total length of 17km, as well as 35 tunnels with a total length of 170km. The line will also require 35 cut and cover sections, 18 overpasses, 32 underpasses, and 226 culverts.

Testing is nearing completion on the 405km, 250km/h Ankara - Sivas line. The first section of the Ankara - Istanbul high-speed line, the first in Turkey, opened in July 2014.

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