The train service from Kayseri to Siirt is operated by conventional regional trains, primarily the Vangölü Express. This service typically runs at speeds of up to 120 km/h (75 mph) and covers the journey in approximately 8 to 10 hours, depending on specific route conditions and schedules. As this route is not serviced by high-speed trains, passengers can expect a scenic trip through Turkey's diverse landscapes, making several stops along the way, including towns such as Malatya and Elazığ.
While the Vangölü Express offers basic amenities for travelers, such as comfortable seating and restrooms, it focuses on providing a reliable connection between Kayseri and Siirt rather than speed. Therefore, this service caters to those who appreciate a leisurely ride through the heart of Turkey.