The train service from Bilecik to Karaman primarily operates through the Intercity trains, which provide a standard of comfort with both Economy and First class options. The journey on this route is typically served by the YHT (Yüksek Hızlı Tren) that operates at speeds ranging from 250 km/h to 300 km/h (155 mp/h to 186 mp/h). This high-speed service reduces the travel time significantly, taking approximately 1 hour and 30 minutes to cover the distance, with limited stops at significant stations like Eskişehir.
Alternatively, regional services also run along this route but tend to be slower, making the YHT a preferred choice for those prioritizing speed. The Intercity trains offer comfortable seating, with additional facilities such as catering services. Overall, for quick transit between Bilecik and Karaman, the YHT stands out, while regional services cater to those who may desire a more scenic ride with numerous stops.