Status of city planning decisions and completion of continuous grade separation projects of existing railroads etc. (As of April 1, 2013) Completed section and length ※１, ２ Line name Designated section and length ※１(km) Note (km) Yoyogi-Uehara – Yoyogi-Hachiman 0.8 Line No.9 Underground (Odakyu Electric Izumi-Tamagawa – installation completed 11.7 Umegaoka – Yoyogi-Uehara Railway Yoyogi-Hachiman 2.8 Incl. quadrupling Under construction Odawara Line) tracks Izumi-Tamagawa – 8.1 Umegaoka Line No.10 Nishi-Chofu – Shibazaki 2.6 Nishi-Chofu – (Keio Teito Electric Partly under construction Shibazaki: Railway Sasazuka – Sengawa 0 underground Keio Line Nishi-Chofu – Sasazuka 12.7 installation completed Sagamihara Line) Incl. quadrupling tracks Keio Tamagawa – Chofu 1.1 Under construction 1.1 Underground installation completed Takadanobaba – Nakai 1.7 － 0 Incl. quadrupling tracks Seibu Shinjuku Line Nakai – Nogata 2.7 Under construction 0 Kumegawa – Tokyo Border 3.0 － 0 Seibu Kokubunji Line Ogawa – Higashi-Murayama 2.1 － 0 Seibu Seibuen Line Higashi-Murayama – Seibuen 2.4 － 0 7.7 Ekoda – Shakujii-koen 5.4 Incl. quadrupling tracks Seibu-Ikebukuro-Line Ekoda – Oizumi-gakuen Nerima-Takanodai – 1.2 Oizumi-gakuen Under construction Keikyu Shounan Line Kita-Shinagawa – Omori-Kaigan 3.6 Entire line 3.6 Aoto – Keisei-Takasago: Keisei Narita Line Ohana-jaya – Keisei-Takasago 2.8 Entire line 2.8 incl. quadrupling tracks Yotsugi – Aoto 2.6 Under construction 0.4 Section around Aoto Keisei Oshiage Line Oshiage – Yahiro 2.3 Under construction 0 Station completed Tokyu-Ikegami Line Togoshi-Ginza – Hatanodai 1.6 Entire line 1.6 Daitabashi – Hatsudai 2.7 Entire line 2.7 Keio Teito Electric Keio-Hachioji – 3.9 Entire line 3.9 Railway Hirayama-joshi-koen Keio Line Bubaigawara – Higashi-Fuchu 2.4 Entire line 2.4 Keio Teito Electric Keio-Katakura – Kitano 1.9 Entire line 1.9 Railway, Takao Line East Japan Railway Inadazutsumi – Company 4.0 Under construction 0 Fuchu-Hommachi Nambu Line East Japan Railwa Under construction Railroad elevation y Company (conventional line only) completed Mitaka – Tachikawa 13.1 13.1 Chuo Main Line Incl.quadrupling tracks Seibu Railway Railroad elevation Musashi-Sakai – Shin-Koganei 0.9 Under construction 0.9 Tamagawa Line completed Tokyu Corporation Meguro – Senzoku 3.3 Entire line 3.3 Mekama Line Keikyu Corporation Railroad elevation Heiwajima – Rokugodote 5.4 Under construction 5.4 Keikyu Main Line completed Keikyu Railroad elevation Corporation completed Keikyu-Kamata – Otorii 2.1 Under construction 2.1 Keikyu Airport Line Tobu Railway Section around Takenotsuka Tobu Isesaki 3.1 Under construction 0 Station Line Total 100.8 Total 66.1 ※１： The lengths of Line No.9 and Line No.10 are those of lines in operation. ※２： The calculation of the lengths of completed lines were made when they were elevated or installed underground. .