Eastern Kanagawa Rail Link
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The Eastern Kanagawa Rail Link (Japanese: 神奈川東部方面線, romanized: Kanagawa Tōbu Hōmen Sen) is a strategic railway project in Japan to improve the railway network connectivity and passenger convenience between the eastern Kanagawa Prefecture and Tokyo Metropolis, as well as access to Tōkaidō Shinkansen at Shin-Yokohama Station.
The new infrastructures of this project are constructed and owned by the Japan Railway Construction, Transport and Technology Agency (JRTT), which is an Independent Administrative Institution governed by the Ministry of Land, Infrastructure, Transport and Tourism, while operation is divided between Sagami Railway (Sōtetsu), JR East and Tōkyū Railways.
In its finalized form, this railway project comprises 2 major portions:
- Sōtetsu–JR Link Line (SJLL; Japanese: 相鉄・JR直通線, romanized: Sōtetsu JR chokutsū sen): Connecting Sōtetsu and JR East by a new 2.7-kilometre (1.7 mi) railroad, Sōtetsu Shin-yokohama Line, constructed between Nishiya and Hazawa yokohama-kokudai for entering the Tōkaidō Freight Line. This enables through service from Ebina (Sōtetsu) to Kawagoe (JR) via Ōsaki, Shibuya, Shinjuku and Ikebukuro alongside the Yamanote Line. It has entered service since 30 November 2019.
- Sōtetsu–Tōkyū Link Line (STLL; Japanese: 相鉄・東急直通線, romanized: Sōtetsu Tōkyū chokutsū sen): Connecting Sōtetsu and Tōkyū Railways with a new 10-kilometre (6.2 mi) railroad, which is divided into Sōtetsu Shin-yokohama Line and Tōkyū Shin-yokohama Line, constructed between Hazawa yokohama-kokudai and Hiyoshi via Shin-yokohama. Sōtetsu–Tōkyū Shin-yokohama Station serves as an operational boundary between Sōtetsu and Tōkyū. This enables through services from Ebina or Shōnandai (Sōtetsu) to Shibuya (Tōyoko Line, which continues onward to Fukutoshin Line) and Meguro (Meguro Line, which continues onward to either Namboku Line or Mita Line). Furthermore, the through-running is possible via Fukutoshin Line to Ogawamachi (Tōbu Tōjō Line), or via Namboku Line to Urawa-misono (Saitama Rapid Railway Line). This has entered service since 18 March 2023.