Английская Википедия:Central Circular Route

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Шаблон:Short description Шаблон:Use dmy dates Шаблон:Infobox road

Файл:Shuto expressway kasai jct.jpg
Kasai JCT
Файл:Shuto expressway ogiohashi.jpg
Ōgi-ōhashi exit
Файл:Shuto expressway senjushinbashi.jpg
Senju-shinbashi exit
Файл:Shuto expressway kohoku jct.jpg
Kohoku JCT

The Шаблон:Nihongo, signed as Route C2, is one of the routes of the Shuto Expressway system serving the central part of the Greater Tokyo Area. The route is a circumferential highway running through the outer wards of Tokyo. The route is the middle of four ring expressways planned for the city; the other three being the C1 Inner Circular Route, the C3 Tokyo Gaikan Expressway, and the C4 Ken-Ō Expressway.

Route description

The Central Circular Route has a total length of Шаблон:Convert.

It is a ring that lies approximately Шаблон:Convert from the center of the city and goes through the wards of Edogawa, Katsushika, Adachi, Kita, Itabashi, Toshima, Shinjuku, Nakano, Shibuya, Meguro, and Shinagawa.

Файл:Shutoko-YamateTunnel.JPG
Yamate Tunnel

The eastern half is an elevated structure and the western half is an underground one. The Yamate Tunnel is a deep tunnel constructed beneath Yamate Street, the first section over Шаблон:Convert in length, was opened to traffic on 22 December 2007. From 2010, the tunnel extended the Central Circular Route south from near Ikebukuro to Ohashi Junction connecting with Route 3. The last Шаблон:Convert through Meguro and Shinagawa was opened to traffic on 7 March 2015.[1] When this last section of the tunnel opened the Yamate Tunnel formed Japan's longest, and the world's second longest road tunnel.[2] During the tunnel's first week of operations, traffic volume on the Inner Circular Route was reduced by seven percent from the previous week, and congestion on expressways inside the Central Circular Route (an index measured by recording segments where average traffic speed is less than Шаблон:Convert, and multiplying the affected distance by the affected time) was approximately halved from the previous week.[3]

The C2 begins and ends at the Bayshore Route, which serves to close the southeastern part of the loop.

History

The first section of the Central Circular Route was opened to traffic on 30 March 1982. Since then, the expressway was completed in phases. Construction work on underground sections of the route began in 1992. Given the extensive tunneling and engineering challenges involved, construction costs for the route were estimated to be 2 trillion yen.[4] The Central Circular Route was completed on 7 March 2015.[5]

Exit list

Шаблон:RJL List of currently existing interchanges and exits ordered following the outer loop (clockwise):

Municipality Exit/interchange name Destinations Notes
Shinagawa-ku C2 Oi-minami
C18
Shinagawa-ku Ōi JCT Bayshore Route
Shinagawa-ku Gotanda
C20
Meguro-ku Ōhashi JCT Route 3 (Shuto Expressway) Outbound to Yōga and Tōmei Expressway. Inbound to Tanimachi from Inner Loop.
Shibuya-ku Tomigaya
C22
Shibuya-ku Hatsudai-Minami
C23
Shinjuku-ku Nishi-shinjuku JCT Route 4 Outbound to Takaido and Chūō Expressway. Inbound to Miyakezaka from Inner Loop.
Nakano-ku Nakano-chojabashi
C24
Shinjuku Station, Tokyo Metropolitan Government Office Inner loop exit/outer loop entrance only
Shinjuku-ku Naka-ochiai JCT (Planned) Planned Nerima Route outbound to Nerima and Kan-etsu Expressway. Tokyo Metropolitan Expressway Corporation plans to connect between C2 and Kan-estu Expressway through Nerima Route.
Toshima-ku Nishi-ikebukuro Entrance
C25
Ikebukuro Station Inner loop entrance/outer loop exit only
Toshima-ku Nishi-ikebukuro Exit
C26
Ikebukuro Station Inner loop exit.
Itabashi-ku Takamatsu Entrance
C28
Yamate-dori street Outer loop entrance only. Inner loop exit has closed and moved to Nishi-ikebukuro in 2007, due to the extension of Yamate Tunnel.
Itabashi-ku Kumanocho JCT Route 5 inbound to Higashi-ikebukuro and Takebashi JCT from Inner loop.

Route C2 Outer Loop to Route 5 inbound is not connected.

inbound only
Itabashi-ku Itabashi JCT Route 5 outbound to Ōmiya and Kan-etsu Expressway via Tokyo Gaikan Expressway. outbound only
Itabashi-ku Shin-itabashi
C29
National Route 17, also known as Nakasendō avenue Outer loop exit only
Itabashi-ku Takinogawa
C31
National Route 17, also known as Nakasendō avenue Inner loop entrance only
Kita-ku Ōji-minami
C33
Ōji Station, Asukayama Park. Inner loop entrance/outer loop exit.
This interchange is currently being reconstructed into a full interchange in combination with Oji-kita Rampway.
Kita-ku Ōji-kita
C34
Ōji Station, Asukayama Park. Inner loop exit/outer loop entrance
Note: this interchange is currently being reconstructed into a full interchange in combination with Oji-minami Rampway.
Adachi-ku Kōhoku JCT Kawaguchi Route to Angyō and Tōhoku Expressway
Adachi-ku Ogiohashi
C35, C36
Adachi-ku Senju-shimbashi
C37, C38
Kita-senju Station, National Route 4, also known as Nikkō Kaidō avenue
Katsushika-ku Kosuge JCT Misato Route outbound to Misato and Jōban Expressway
Katshushika-ku Kosuge
C40
Inner loop exit/outer loop entrance
Katsushika-ku Horikiri JCT Mukojima Route inbound to Ginza and Hakozaki
Katsushika-ku Yotsugi
C41, C42
National Route 6, also known as Mito Kaidō avenue
Katsushika-ku Hirai-ōhashi
C43
Outer loop exit/inner loop entrance
Edogawa-ku Komatsugawa JCT Komatsugawa Route outbound to Keiyō Road from Outer loop.

Route C2 to Route 7 inbound is not connected.

Outer Loop only
Edogawa-ku Funaboribashi
C46
Inner loop exit/outer loop entrance
Edogawa-ku Seishinchō
C47
Outer loop exit/inner loop entrance
This freeway stub will become part of Route 10
Edogawa-ku Kasai JCT Bayshore Route East to Urayasu and Higashi-Kantō Expressway
Bayshore Route West to Shin-kiba and Haneda Airport

References

Шаблон:Reflist

Шаблон:Shuto Expressway

Шаблон:Coord missing