Chichibu Main Line
Kumagaya Station is served by the JR East Jōetsu Shinkansen and Hokuriku Shinkansen high-speed shinkansen lines from , the Takasaki Line to . It is located 64.7 kilometers from Tokyo. The station is also served by the privately operated Chichibu Main Line from to . It is located 14.9 km from Hanyū on the Chichibu Main Line.