The Sōtetsu Izumino Line is a railway line in Kanagawa Prefecture, Japan, operated by the private railway operator Sagami Railway (Sotetsu). It connects Futamata-gawa in Yokohama to Shōnandai in Fujisawa.

The Tōkyū Shin-yokohama Line (東急新横浜線) is a commuter line operated by Tokyu Corporation connecting Hiyoshi Station on the Tōkyū Tōyoko and Meguro lines to Shin-yokohama Station on the Sōtetsu Shin-yokohama Line. Tōkyū has put its company name as a formal part of the line name, which is a second for Tōkyū, following the Tōkyū Tamagawa Line.