[C3] We will inform you of traffic conditions in the Tokyo metropolitan area after the opening of the Tokyo Outer Ring Road (Misato Minami IC-Takaya JCT).

[Usage status 1 week after opening (breaking news)]

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  • Press Release Kanto Regional Head Office
  • [C3] We will inform you of traffic conditions in the Tokyo metropolitan area after the opening of the Tokyo Outer Ring Road (Misato Minami IC-Takaya JCT).

June 14, 2018
Ministry of Land, Infrastructure, Transport and Tourism Kanto Regional Development Bureau Capital Highway Office
East Japan Expressway Co., Ltd. Kanto Regional Head Office
Shuto Expressway Co., Ltd.

Gaikan Expressway

  • Opening of the outer ring road (Misato Minami IC-Takaya JCT) will connect four radiant roads (Higashi Kanto Road, Joban Expressway, Tohoku Expressway, Kan-Etsu Expressway)
  • Chiba's Gulf area and northern Kanto area can be accessed without passing through the city center, and the required time is greatly shortened
    ・ Takaya JCT-Oizumi JCT (Kan-Etsu Expressway) 20 minutes reduction (60 minutes ⇒ 40 minutes)
    ・ Takaya JCT-Kawaguchi JCT (Tohoku Expressway) 28 minutes reduced (54 minutes ⇒ 26 minutes)
    ・ Takaya JCT-Misato JCT (Joban Expressway) 28 minutes reduction (43 minutes ⇒ 15 minutes)
  • The use of the newly opened outer ring road is 40,000 units / day on average (Ichikawa Chuo IC-Keiyo JCT)
  • Traffic is converted to the outer ring road, and the traffic volume on the Chuo Expressway Central Loop Line is reduced by about 10% on the east side.

National Route 298

  • Ichikawa-Matsudo connects for the first time with a 4-lane road, Average 24,000 units / day Used by. Improved traffic conditions in the area
  • Traffic on parallel prefectural roads About 20 to 30% decrease , Heavy vehicle traffic About 40 to 50% decrease . Travel speed is Ichikawa Matsudo Line About 40% increase

Smoothing traffic in the city center and improving logistics productivity

  • With this opening, four radiant roads (Higashi Kanto Road, Joban Expressway, Tohoku Expressway, Kan-Etsu Expressway) will be connected.
  • From Chiba's Gulf area, you can access all parts of the northern Kanto region without going through the city center
    ・ Takaya JCT-Oizumi JCT (Kan-Etsu Expressway) 20 minutes reduction (60 minutes ⇒ 40 minutes)
    ・ Takaya JCT-Kawaguchi JCT (Tohoku Expressway) 28 minutes reduced (54 minutes ⇒ 26 minutes)
    ・ Takaya JCT-Misato JCT (Joban Expressway) 28 minutes reduction (43 minutes ⇒ 15 minutes)
Image image of drastically shortened travel time from the Gulf area to the northern Kanto area

Vehicles passing through Tokyo are converted into outer ring roads

  • The outer ring road ((4) Ichikawa Chuo IC-Keiyo JCT) has a traffic volume of about 40,000 vehicles.
  • Traffic on the central loop line decreases by 10% on the east side
Image of a vehicle passing through Tokyo converted to an outer ring road

Improved traffic conditions on highways parallel to National Highway 298

  • The average traffic volume of National Route 298 is about 24,000 vehicles.
  • About 20 to 30% less traffic on prefectural road No. 1 Ichikawa Matsudo Line
  • Large vehicle traffic decreased by 40 to 50%
Image image of traffic volume change (general road) around National Highway 298

Improved traffic conditions on highways parallel to National Highway 298

  • Widely improved travel speed of highways parallel to National Highway 298
  • Travel speed increased by 40% on Ichikawa Matsudo Line, Prefectural Road 1.
Image of travel speed change (general road) around National Highway 298

Tokyo Outer Ring Road (Misato Minami IC-Takaya JCT) Overview

Overview of this section

[Open section]
Gaikan Expressway: Misato South IC (Takano, Misato City, Saitama Prefecture) -Takaya JCT (Takaya, Ichikawa City, Chiba Prefecture)
National Route 298: National Route 6 (Kamiyagiri, Matsudo City, Chiba Prefecture) to National Route 357 (Takaya, Ichikawa City, Chiba Prefecture)
[Opening date and time]
June 2, 2018, 16:00
[Extension]
Gaikan Expressway: 15.5km, Route 298: 11.4km
  • Regarding the information on the section that has been opened this time, the maintenance effects are announced on the summary site.
    For more information, search for "GC" Gaikan Chiba.

Near Matsudo IC

Near Matsudo IC Photo taken in May 2018
Taken in May 2018

Near Keiyo JCT

Near Keiyo JCT Photo taken in May 2018
Taken in May 2018

Near Takaya JCT


Taken in May 2018
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