The rail services operating between Diyarbakir and Karaosman primarily consist of regional trains, specifically the TCDD Taşımacılık services. While there are currently no high-speed trains serving this particular route, the regional train typically travels at speeds ranging from 80 km/h to 120 km/h (50 mph to 75 mph), making the journey comfortable yet moderate in pace.
The journey from Diyarbakir to Karaosman usually takes approximately 4 to 5 hours, depending on the specific service and stops along the way. Passengers can expect standard seating arrangements and basic amenities, including food and beverage options available for purchase during the ride. Unlike high-speed routes in other regions, the overall experience focuses on connecting smaller towns and cities rather than speed. The TCDD services are tailored to meet the needs of local commuters, providing a reliable means of transportation across the scenic areas of southeastern Turkey.