The primary train service operating on the Sariolan to Diyarbakir route is the TCDD (Turkish State Railways) regional train. This train generally travels at speeds ranging from 90 to 120 km/h (56 to 75 mph), depending on the specific section of the route and the number of stops it makes. The journey takes approximately 5 hours, allowing for ample viewing of the scenic landscapes of southeastern Turkey.
The service is fairly basic, with standard seating available, making it a good option for travelers looking for an economical way to travel between these two cities. While this route is not serviced by high-speed trains, the regional train provides a comfortable ride and stops at various stations along the way, enhancing accessibility to different towns in the region. Thus, for travelers who prioritize cost over speed, the TCDD train offers a pragmatic solution.