Samsun-Sivas Regional
The Samsun-Sivas Regional is an intercity rail service operated by TCDD Transport. It operates between two major cities of Turkey, Sivas and Samsun, and also services touristic Amasya. Apart from a short stretch near Sivas the trains operate on the Samsun–Kalın railway. It takes 8 hours to travel 431 km and has been criticised as very slow.