The route from Kumagaya to Takasaki is predominantly serviced by the highly efficient Joetsu Shinkansen. This train type is known for its speed, reaching up to 240 km/h (149 mph), making it a swift choice for travelers. The journey typically takes about 20 minutes, with a few stops at major stations, allowing passengers to enjoy a quick yet comfortable experience. Additionally, the local Shinetsu Line offers an alternative transport option, though it operates at slower speeds of about 70 km/h (43 mph) and takes around 45 minutes to reach Takasaki, making it suitable for those needing to travel to smaller stations along the way. Both services provide seating options and essential amenities, with the Joetsu Shinkansen being the most favorable for speed.