Traveling from Fukuyama to Shimonoseki primarily utilizes the JR Sanyo Line, featuring rapid trains that provide efficient service. The primary train on this route is the 'Shirasagi' limited express, which can reach speeds of up to 130 km/h (81 mph) and typically completes the journey in approximately 2 hours and 30 minutes, making a few key stops along the way, such as Fukuyama and KYonan.
In comparison, the 'Kodama' Shinkansen is available for certain segments, offering speeds of around 240 km/h (149 mph), though it may result in a longer travel time due to additional stops, duration of approximately 3 hours. The Shirasagi focuses on rapid transit between cities, whereas the Kodama allows enhanced travel options to various locations on the Sanyo Line.
Both trains offer different comfort classes, with the Shirasagi typically providing reserved and non-reserved seating, while the Kodama incorporates Green Car options for a more upscale experience.