But in the end of 2014, the third contract on the last 10 sets was canceled by the Public Tender Committee of Turkey because of a missing certificate.

[3] The bids for 10 high-speed train sets were repeated on 30 January 2017 with Siemens having proposed the Velaro TR again against Alstom and CAF.

[4] In September 2013, the first set - a train originally intended for operation in Germany - was sent east for testing.

Siemens also sent a Vectron MS demonstrator locomotive along with the Velaro train to Turkey.

[6][7][8] The second unit (but the first produced for TCDD) departed from Germany on 29 January 2016 and reached Ankara on 17 February 2016.

A white - turquoise - grey colour scheme has been selected for the livery of the TCDD HT80000 high-speed train sets, instead of the traditional white - red - dark blue colour scheme used on the TCDD HT65000 high-speed train sets.