The Samsun-Sivas Regional is an intercity rail service operated by TCDD Transport.[1] It operates between two major cities of Turkey, Sivas and Samsun, and also services touristic Amasya.[2] Apart from a short stretch near Sivas the trains operate on the Samsun–Kalın railway. It takes 8 hours[3] to travel 431 km[4] and has been criticised as very slow.[2]