The route from Tosu to Satsumasendai is primarily served by Limited Express trains, which provide options for comfortable travel. The leading service on this route is the Limited Express "Kakitagawa," which operates at speeds of up to 120 km/h (75 mph) and completes the journey in approximately 1 hour and 30 minutes. This service is known for its punctuality and well-maintained coaches, offering Standard and Green car classes for passengers looking for more spacious seating.
Alternatively, the local trains also cover this route, but they stop at more stations and extend the travel time to around 2 hours or more. While the Limited Express is recommended for those who prefer a faster connection, the local service may be more suitable for travelers wanting to explore smaller towns along the way. Onboard amenities include reclining seats and sometimes light snacks, making the journey pleasant regardless of the train choice.