Keihin-Tōhoku Line
Yōkōdai Station is served by the Negishi Line from to in Kanagawa Prefecture. with through services inter-running to and from the Keihin-Tōhoku Line and also the Yokohama Line. It is 14.1 kilometers from the terminus of the Negishi line at Yokohama, and 73.2 kilometers from the northern terminus of the Keihin-Tōhoku Line at .