The Eastern Express (Turkish: Doğu Ekspresi) is an overnight passenger train operated by TCDD Taşımacılık.

The Eastern Express stops in 7 provincial capitals: Ankara, Kırıkkale, Kayseri, Sivas, Erzincan, Erzurum and Kars.

[4] Construction of the line started in 1924 (by the CFAB, TCDD took over in 1927) and reached Kayseri in 1927, Sivas in 1930 and Çetinkaya in 1936.

By transferring to a broad gauge train in Erzurum, passengers could travel to Kars, the last Turkish city before the Soviet Union.

After crossing many gorges and after Bilecik, the train ascended the Anatolian plateau and arrived in Ankara.

A small portion between Çetinkaya and Divriği is electrified for freight trains carrying iron ore south to the Mediterranean Sea.