Analysis and comparison of high-speed railways planned and being built in Turkey

In this thesis, the qualities of the investments made on the high-speed railway technology in the world and in our country, were focused on, and an overall evaluation was tried to be carried out, accordingly. It is considered that, it might be useful comparing the contents and costs of infrastructure, superstructure, signalization, electrification and communication manufactures available in the lines in our country, to the samples of the world countries.