The Ankara Express is a daily overnight intercity passenger train, operated by TCDD Taşımacılık, between Istanbul and Ankara, with major stops at İzmit and Eskişehir. The train makes the 610.3 km (379.2 mi) long journey in about 8 and-a-half hours.

Haydarpaşa station is a railway station in Istanbul, that was, until 2012 the main city terminal for trains travelling to and from the Anatolian side of Turkey. It used to be Turkey's busiest railway station. The station building still houses the headquarters for District 1 of the State Railways but since a fire in 2010 the station has not been in use and its future remains uncertain.