The Izumi to Okayama route is primarily served by the Limited Express trains, specifically the Yakumo and Sanyo trains. The fastest among these, the Yakumo, operates at speeds of up to 130 km/h (81 mph), completing the journey in approximately 1 hour and 15 minutes with limited stops. This train offers Reserved and Non-reserved seating options, making it accessible for different travel preferences.
On the other hand, the Sanyo Limited Express takes a similar route, but due to additional stops, the journey time extends to about 1 hour and 30 minutes. It also provides essential onboard amenities, including comfortable seating and dining options.
Travelers in a hurry may prefer the Yakumo for its speed and efficiency, while the Sanyo can be an option for those looking to enjoy a more leisurely pace with added station stops.