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Komatsugawa Route

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(Redirected from Route 7 (Shuto Expressway))

Shuto Expressway Komatsugawa Route
首都高速7号小松川線
Map
Route information
Maintained by Metropolitan Expressway Company Limited
Length10.4 km (6.5 mi)
Existed1971–present
Major junctions
West endRyōgoku Junction [ja] in Sumida
6 Mukojima Route
Major intersections
East end Keiyō Road in Edogawa
Location
CountryJapan
Highway system

The Komatsugawa Route (小松川線, Komatsugawa-sen), signed as Route 7, is one of the tolled routes of the Shuto Expressway system serving the Greater Tokyo Area. The route is a 10.4-kilometer (6.5 mi) long radial highway running east from the Tokyo ward of Sumida to the ward of Edogawa. It connects Tokyo's Mukojima Route in central Tokyo to the Keiyō Road which connects Tokyo to Chiba Prefecture and its capital, the city of Chiba.

Route description

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The Komatsugawa Route passing over the Arakawa River.

The Komatsugawa Route begins at Ryōgoku Junction with the Mukojima Route in Sumida ward above the Sumida River. From there it travels east through Sumida and Kōtō parallel to National Route 14 and the Sōbu Line before crossing over the Arakawa River in Edogawa. At this crossing the Komatsugawa Route passes beneath the Central Circular Route. The expressway has two junctions with local roads east of the crossing in Edogawa. After those junctions the expressway leaves the Shuto Expressway network, from there it continues east towards Chiba as the Keiyō Road.[1]

The speed limit on the Komatsugawa Route is set at 60 km/h.[2]

History

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The entirety of the Komatsugawa Route was opened to traffic on 21 March 1971. The expressway was extensively rehabilitated in November 1991 under the project name "Route 7 Refresh Plan".[3] On 16 February 2015, the expressway was temporarily closed in Edogawa due to a fire that broke out during construction work on the route. The incident claimed the lives of two workers.[4]

In preparation for increased congestion during the 2020 Summer Olympics, new traffic-control systems were installed along many expressways in the Tokyo area. The only instance of further controls being installed along the expressway was at its western terminus at Ryōgoku Junction[5]

An additional interchange between the Central Circular Route and the Komatsugawa Route was opened on 1 December 2019. Part of the project to add the junction included upgrades to the already extant interchange at Komatsugawa.[6]

Junction list

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LocationkmmiExitNameDestinationsNotes
Sumida0.00.0—Ryōgoku6 Mukojima Route – GinzaWestern terminus; eastbound entrance, westbound exit
2.01.2Kinshichō Toll Booth
2.3–
2.8		1.4–
1.7		701/702Kinshichō Tokyo Metropolitan Route 465 (Yotsume-dōri) – to National Route 14, Oshiage, Tokyo Skytree
Edogawa6.64.1—KomatsugawaE4 E6 C2 Central Circular Route – to Tōhoku Expressway, Jōban ExpresswayEastbound entrance, westbound exit
7.04.3703KomatsugawaTokyo Metropolitan Route 308 (Funabori-kaidō) – Shinkoiwa, FunaboriEastbound exit, westbound entrance
8.45.2705IchinoeTokyo Metropolitan Route 318 (Kannana-dōri) – HaruechōEastbound exit, westbound entrance
10.46.5—C3  Keiyō Road – to Tokyo-Gaikan Expressway, ChibaEastern terminus, expressway continues as the Keiyō Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

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References

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  1. ^ "路線から出入口を探す" (in Japanese). Metropolitan Expressway Company Limited. Retrieved 12 November 2019.
  2. ^ "Tokyo Shutoko Expressway: Japan's Busiest Road Network". 7 September 2017. Retrieved 12 November 2019.
  3. ^ "首都高の歴史". Metropolitan Expressway (in Japanese). Retrieved 5 November 2019.
  4. ^ "首都高の高架下で火災、作業員２人死亡 小松川線". Asahi Shimbun (in Japanese). 16 February 2015. Retrieved 12 November 2019.
  5. ^ "首都高など交通規制スタート。東京オリンピック・パラリンピックを想定した混雑対策、7月24日/26日試行" (in Japanese). 24 July 2019. Retrieved 5 November 2019.
  6. ^ "プレスリリース（2019年度）" (in Japanese). 18 October 2019. Retrieved 3 December 2019.
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