The route from Shunan to Satsumasendai is primarily serviced by the Limited Express 'Yakumo' train, providing a direct connection between these two locations. The Yakumo train operates at speeds of up to 130 km/h (81 mph), and the journey typically takes around 2 hours. The train runs through scenic areas, offering passengers picturesque views of the rural landscapes of Japan. Unlike Shinkansen routes, this service does not utilize high-speed trains, making it a more leisurely trip compared to longer journeys in Japan. Onboard amenities include comfortable seating and air conditioning, though there are fewer luxuries compared to high-speed train services. For travelers looking for speed, the Yakumo is the best option available on this route, efficiently linking Shunan and Satsumasendai with a few stops along the way.