Inner Circular Route

The Inner Circular Route (都心環状線, Toshin Kanjō-sen), signed as Route C1, is one of the routes of the Shuto Expressway system serving the central part of the Greater Tokyo Area. The route is a complete loop around the central Tokyo wards of Chiyoda, Chūō, and Minato, with a total length of 14.8 kilometers (9.2 mi). In addition to serving areas of central Tokyo, the Inner Circular Route also serves as the origin of the radial routes of the Shuto Expressway. A section of the expressway is built above the Shibuya River.

Shuto Expressway Inner Circular Route
首都高速都心環状線
The Inner Circular Route highlighted in red
Route information
Part of
Maintained by Metropolitan Expressway Company Limited
Length14.8 km (9.2 mi)
Existed1962–present
Major junctions
Beltway around Tokyo
 
Ueno Route
Mukojima Route
Tokyo Expressway
Yaesu Route
Haneda Route
Meguro Route
Shibuya Route
Shinjuku Route
Ikebukuro Route
Highway system
National highways of Japan
Expressways of Japan

History

The expressway was built between 1962 and 1967, partly in preparation for the 1964 Summer Olympics. In 2009, Tokyo private industries proposed funding a project to dismantle the elevated expressway and put them underground.[1] On 16 November 2017, the voice actress Hiromi Tsuru noted for her role as Bulma in the Japanese animated series Dragon Ball, died from aortic dissection while driving on the Inner Circular Route.[2]

Exit list

List of interchanges and exits ordered following the outer loop (clockwise) beginning just past Edobashi Junction.

Miyakezaka JCT.
Near Shiodome
Near Ginza
Municipality Exit/interchange name Destinations Notes
Chūō-ku Takaracho Yaesu-dori, Hatchobori 2 crossing Outer loop exit/inner loop entrance
Chūō-ku Kyobashi JCT Tokyo Expressway to Higashi-ginza exit and Shimbashi access from outer loop only
Chūō-ku Kyobashi Inner loop exit/outer loop entrance
Chūō-ku Shintomicho Exit only
Chūō-ku Ginza
Chūō-ku Shiodome JCT Tokyo Expressway and Yaesu Route to Kita-ikebukuro access from inner loop only
Chūō-ku Shiodome inner loop exit/outer loop entrance
Minato-ku Hamazakibashi JCT Haneda Route to Haneda and Bayshore Route
Minato-ku Shiba-koen Tokyo Tower
Minato-ku Ichinohashi JCT Route 2 to Meguro and Keihin #2 Road
Minato-ku Iikura Gaien-higashi-dori, Roppongi outer loop exit/inner loop entrance
Minato-ku Tanimachi JCT Route 3 to Shibuya and Tomei Expressway
Chiyoda-ku Kasumigaseki Diet Building, Japanese Government offices
Chiyoda-ku Miyakezaka JCT Route 4 to Shinjuku and Chūō Expressway
Chiyoda-ku Daikancho British Embassy in Tokyo, Chidorigafuchi Park outer loop exit/inner loop entrance
Chiyoda-ku Kita-no-maru Kitanomaru Park, Nippon Budokan inner loop exit/outer loop entrance
Chiyoda-ku Takebashi JCT Ikebukuro Route to Kita-Ikebukuro, Omiya, and Kan-Etsu Expressway
Chiyoda-ku Kandabashi Otemachi
Chiyoda-ku Kandabashi JCT Yaesu Route to Marunouchi and Haneda access from outer loop only
Chūō-ku Gofukubashi inner loop exit/outer loop entrance
Chūō-ku Edobashi outer loop exit/inner loop entrance
Chūō-ku Edobashi JCT Ueno Route to Ueno
Mukojima Route to Hakozaki JCT, and Bayshore Route via Route 9		 Route 1 to Ueno can be access from inner loop only.

References
  1. Okada, Keisuke, "Push to replace Tokyo's aging expressways with tunnel routes revived, Japan Times, 17 March 2012, p. 3.
  2. "アンパンマンのドキンちゃん　声優の鶴ひろみさん死亡　首都高速で意識不明の状態で発見" [Anpanman's Dokin-chan voice actor Tsuru Hiromi found dead on the Inner Circular Expressway] (in Japanese). 17 November 2017. Retrieved 10 December 2018.

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