The Oshu to Iwate route is primarily serviced by the Limited Express train, specifically the Iwate Galaxy and the Hayabusa. The Iwate Galaxy operates at speeds of up to 130 km/h (81 mph), taking approximately 1 hour and 20 minutes to cover the journey, with direct stops at several key stations such as Mizusawa-Esashi and Kitakami. On the other hand, the Hayabusa Limited Express offers slightly faster travel, also reaching speeds of 130 km/h (81 mph), but with a travel time of around 1 hour and 15 minutes due to fewer stops.
Both trains feature comfortable seating options, ensuring a pleasant trip, and have amenities such as food services available onboard. The Iwate Galaxy is popular for its scenic views along the route, while the Hayabusa offers a more efficient option for those prioritizing speed.