For the Koriyama to Tendo route, travelers can utilize the Yamagata Shinkansen services, which include the Yamabiko and the Hayabusa trains. The Hayabusa serves as the fastest option, reaching speeds of up to 300 km/h (186 mph) and completing the journey in approximately 1 hour and 20 minutes with fewer stops. Meanwhile, the Yamabiko operates at slightly lower speeds of around 240 km/h (149 mph) and takes about 1 hour and 50 minutes, making several stops including important stations like Fukushima and Yamagata.
Both train services offer various seating classes, ensuring a comfortable journey, and provide dining options for travelers. The Hayabusa is optimal for those prioritizing speed while the Yamabiko gives passengers access to more stops along the route.