The building officially opened on 29 October 2016, on the 93rd anniversary of the proclamation of the Republic of Turkey, along with Ankara station's high-speed platforms located underneath the structure.
[3] The building is owned by the Turkish State Railways (TCDD) and operated by a private company known as Ankara Tren Gar İşletmesi A.Ş.
In August 2005, Turkish State Railways (TCDD) awarded a joint bid of 946,155 YTL from the Sudop Praha AS – SDPAK consortium to construct the ATG terminal.
[5] The State Railways revised their plans for the station, and the new terminal was designed to encompass only the two southernmost platforms and adjacent yard tracks.
On 28 August 2012, the bid for the revised station was awarded to a consortium consisting of Limak Holding, Kolin and Cengiz İnşaat within a time-frame of 24 months.