The train service between Oishida and Koriyama is primarily served by the Advaced Rapid service, offering a reliable transit option for travelers. This route typically operates at speeds of up to 120 km/h (75 mph), making the journey in approximately 1 hour and 45 minutes. While the train may not be classified as a high-speed service like the Shinkansen, it provides a comfortable and efficient connection with a handful of stops at key stations, including Kagamino and Yamagata.
The Advaced Rapid trains feature standard and Green cars, catering to different passenger needs. Standard cars offer functional seating while Green cars provide extra legroom, aiming for a more relaxed journey. Overall, for passengers traveling between these two destinations, the Advaced Rapid train stands out as the main option, balancing speed with service frequency.