T.R. Ministry of Transport and Infrastructure General Directorate of Infrastructure Investments
Contractor Yapı ve Yapı, Gülermak, Taşyapı railway construction partnership, includes two high-speed trains, one line in each direction, including the construction of approximately 9 km, double track twin tunnel (6.175 m long double tube TBM Tunnel) between Halkalı Station and Ispartakule Station line will be constructed.

Halkalı - Ispartakule High Speed ​​Train Line Project, together with the Çerkezköy- Kapıkule railway, which is under construction, will be a part of the Trans-European Transport Network (TEN-T), which connects to Turkey's European border (in Kapikule).