The train service between Diyarbakir and Coltepe is primarily operated by the Eastern Express, a traditional railway offering a scenic journey through the stunning landscapes of eastern Turkey. This route typically features standard class seating, providing a basic yet comfortable travel experience. The Eastern Express averages speeds between 80 km/h and 100 km/h (50 mph to 62 mph), which allows for a journey time of approximately 10 to 12 hours, depending on the schedule and number of stops.
Although not categorized as a high-speed train service, the Eastern Express offers a unique opportunity to appreciate the region's natural beauty and local culture along the way. Travelers can enjoy panoramic views from the train and may even encounter various dining options during their journey. For those looking for a more leisurely travel experience with the possibility of picturesque landscapes, the Eastern Express is a solid choice.