The route from Saitama to Shinjo is primarily serviced by the Akita Shinkansen, specifically the Komachi and the Tsubasa trains. The Komachi train can reach speeds of up to 300 km/h (186 mph) and completes the journey in approximately 4 hours and 15 minutes with limited stops, making it the faster option for this route. On the other hand, the Tsubasa train takes about 4 hours and 45 minutes, as it makes more frequent stops along the way, including at important junctions such as Yamagata and Odate. Travelers on both trains can expect comfortable seating with options for standard and more spacious Green Class seating. Amenities on board include vending machines and restrooms, ensuring a pleasant travel experience. While the Komachi is recommended for those prioritizing speed, the Tsubasa offers a chance to enjoy a more scenic view with its additional stops.