Metropolitan Expressway
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The Metropolitan Expressway (known as Shuto-kosoku in Japanese) is a network of automobile expressway built in Tokyo, Kanagawa, Saitama and Chiba prefectures in the Kanto region of Japan. It operated and maintained by the Metropolitan Expressway Public Cooporation.
Routes
There are 24 routes currently in operation.
Tokyo
C1 Inner Circular Route
C2 Central Circular Route(Itabashi JCT - Kasai JCT)
1 No.1 Haneda Route(Edobashi JCT - Iriya)
1 No.1 Ueno Route(Hamazaki-bashi JCT - Haneda)
2 No.2 Meguro Route(Ichinohashi JCT - Togoshi)
3 No.3 Shibuya Route(Tanimachi JCT - Yoga)
4 No.4 Shinjuku Route(Miyakezaka JCT - Takaido)
5 No.5 Ikebukuro Route(Takebashi JCT - Bijogi JCT)
6 No.6 Mukojima Route(Edobashi JCT - Horikiri JCT)
6 No.6 Misato Route(Kosuge JCT - Misato JCT)
7 No.7 Komatsugawa Route(Ryogoku JCT - Yagochi)
9 No.9 Fukagawa Route(Hakozaki JCT - Tatsumi JCT)
10 No.10 Harumi Route(under construction)
11 No.11 Daiba Route(Shibaura JCT - Ariake JCT)
S1 Kawaguchi Route(Kohoku JCT - Kawaguchi JCT)
Y Yaesu Route(Kandabashi JCT - Shiodome JCT)
B Bayshore Route(Kawasaki-ukishima JCT - Koya)
Kanagawa
K1 Yokohane Route(Haneda - Ishikawa-cho JCT)
K2 Mitsusawa Route(Kinko JCT - Mitsuzawa)
K3 Kariba Route(Honmoku JCT - Kariba)
K5 Daikoku Route(Namamugi JCT - Daikoku JCT)
K6 Kawasaki Route(Tonomachi - Kawasaki-ukishima JCT)
Yokohama Circular Route (under construction)
B Bayshore Route(Namiki - Kawasaki-ukishima JCT)
Saitama
S2 Saitama Shintoshin Route(Yono - Shintoshin-nishi)
S5 Omiya Route(Bijogi JCT - Yono)
The Metropolitan Expressway was first built between Kyobashi Exit in Chuo-ku, Tokyo and Shibaura Exit in Minato-ku, Tokyo in 1962 for the purpose of increasing traffic flow efficiency in the Tokyo Metropolitan Area, thus optimizing and improving the functionality of the traffic system. Since then, 280km of highway network has been built in the Tokyo metropolitan area. 32km more of highway are either constructed or planned, making the Metropolitan Expressway vast network of urban expressway in the Tokyo region.