Tsurumi Station
The was originally built to divert freight traffic from the busy Tōkaidō Main Line, providing an alternate route between and . After a 1967 explosion, freight trains were banned from portions of the central Tokyo rail network, providing the impetus for the construction of the orbital Musashino Line. The new Musashino Line was connected to the Hinkaku Line roughly 6 km north of Tsurumi Station near , siphoning off nearly all freight traffic after its opening in 1975. This left a substantial chunk of the double-tracked, mostly grade-separated Hinkaku Line disused.