The route from Kurume to Tosu is primarily served by the Limited Express trains, specifically the Nishi-Kyushu Line services. These trains operate at speeds of up to 120 km/h (75 mp/h), making the journey efficient, with travel times typically around 35-40 minutes. This route does not offer high-speed train options like Shinkansen, due to the relatively short distance between the two cities.
Trains such as the 'Sonic' Limited Express regularly connect Kurume and Tosu, providing onboard facilities that include comfortable seating and restroom access. The Limited Express trains tend to have fewer stops compared to local services, ensuring a faster travel option for those heading between these two locations. Overall, the Sonic represents a reliable choice for passengers looking to travel swiftly and comfortably from Kurume to Tosu.