東海道本線
Higashi-Totsuka Station is served by the Shōnan-Shinjuku Line and the Yokosuka Line. It is located 36.7 km from the terminus of the Yokosuka Line at Tokyo Station. The station is located on the Tōkaidō Main Line, but trains operating on the Tōkaidō Main Line do not stop at Higashi-Totsuka.