Traveling from Yamaguchi to Omuta is primarily serviced by the Limited Express trains, specifically the Sonic and Kamome services. The Sonic train reaches speeds of up to 130 km/h (81 mph) and takes approximately 1 hour and 45 minutes for the journey. It offers comfortable seating and amenities suitable for both short and medium-haul travel. The Kamome train, on the other hand, is a bit slower, operating at speeds of around 120 km/h (75 mph), and covering the same route in approximately 2 hours.
Both train types feature two classes of seating: Standard and Green, providing options for different passenger preferences. The Sonic makes fewer stops, prioritizing speed, while the Kamome allows for a more scenic route with additional stops at local stations. This route does not utilize high-speed rail systems like Shinkansen, but these express services are reliable for reaching Omuta from Yamaguchi.