Traveling from Yuzawa to Saitama is primarily served by the Joetsu Shinkansen. This high-speed train service is known for its efficiency and comfort. The fastest service on this route, the Toki Shinkansen, operates at speeds up to 240 km/h (149 mph) and takes approximately 1 hour and 10 minutes to cover the distance, with only a few select stops. For those who prefer a slightly slower pace, the Max Toki service offers the journey in about 1 hour and 30 minutes as it stops at additional stations, providing direct access to more local areas along the route.
Both train types offer multiple seating options, including Ordinary and Green class, which cater to different preferences and budgets. Onboard facilities such as complimentary Wi-Fi and food services are available, allowing for a pleasant travel experience. If speed is your priority, the Toki remains the best choice, while the Max Toki provides a greater number of stops suitable for those interested in exploring the region more thoroughly.