The route from Yatsushiro to Fukuoka is primarily serviced by the Limited Express trains, specifically the Sonic and the Kirishima. The Sonic service is designed for speed, reaching up to 130 km/h (81 mph), and typically takes about 1 hour and 30 minutes to complete the journey with minimal stops. The Kirishima offers a slightly longer travel time, around 1 hour and 40 minutes, as it includes more stops along the way, catering to passengers traveling to various intermediate points.
Both trains provide a variety of seating options, from standard to reserved seats, ensuring a comfortable ride for passengers. The Sonic is more preferable for those in a hurry, while the Kirishima allows travelers to explore additional towns en route. Onboard services include refreshments and spacious seating, making the journey pleasant for all.