Maintenance effect after opening of Tokyo Outer Ring Road (Misato Minami IC-Takaya JCT)

~ Effect of connecting and expanding Saitama and Chiba while bypassing the city center ~

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  • Press Room
  • Press Release Kanto Regional Head Office
  • Maintenance effect after opening of Tokyo Outer Ring Road (Misato Minami IC-Takaya JCT)

Wednesday, December 25, 2019
Kanto Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism
East Japan Expressway Co., Ltd. Kanto Regional Head Office
Shuto Expressway Co., Ltd.

Maintenance effect after opening of Tokyo Outer Ring Road (Misato Minami IC-Takaya JCT)

  • Convenience of the region is improved by increasing the number of logistics facilities in the areas
  • The Chiba Bay area becomes familiar, and tourism from the Saitama and Kita-Kanto areas becomes active.

<Logistics>

  • 120 new locations for logistics facilities increased (approx. 5.5 times) (H12-H21 → H22-R first year)
  • Industrial land prices in the area along the Chiba section of the Gaikan Expressway increased by about 12% (2009 → 2009)
  • The one-hour delivery area from the Gulf region (Ichikawa) has Large by about 20% (the number of households in the area has increased by 1.1 million), improving convenience in the metropolitan area.
  • Congestion loss time of the Metropolitan Expressway (including the central ring) inside the central ring has decreased by about 30% (the same effect as the decrease rate announced last time (January 9) continues)

<Sightseeing>

  • 6% increase in exit traffic from the Expressway to the Chiba Bay area, contributing to increased tourism opportunities from Saitama / North Kanto (H29.9 → H30.9)
  • Stay time in Chiba prefecture (Urayasu area) increased by approximately 150 minutes (H29.6 ~ H30.3 → H30.6 ~ H31.3)

<Safety and security>

  • Traffic volume of large vehicles in the city center is decreasing due to traffic conversion from the city center to the outer ring road
  • The number of traffic accidents decreased by about 30% on prefectural roads parallel to National Road 298, improving the traffic environment

Location of logistics facilities progresses along the outer ring road

  • There are 120 new logistics facilities located along the outer ring road (H22-R1).
  • Industrial land prices in the area along the Chiba section of the Gaikan Expressway increased by about 12% (H21 → H31).
Image of logistics facility location status (logistics facility located or planned to be located after 2010)

Supporting fast-growing e-commerce logistics

  • In the Gulf area (Ichikawa), distribution bases will be concentrated and new logistics facilities will be completed.
  • With the opening of the Chiba section of the Gaikan Expressway, the one-hour delivery area from the Gulf area (Ichikawa) has Large by about 20% (the number of households in the area has increased by 1.1 million), improving the convenience of the metropolitan area.
Image image of changes in the collection / delivery area of e-commerce logistics bases

Traffic congestion in the city center improved due to traffic conversion to the outer ring road

  • With the opening of the Chiba section of the Outer Ring Road and the conversion of the Horikiri JCT-Kosuge JCT and the Itabashi JCT-Kumanocho JCT to four lanes, the traffic loss time for the Tokyo Metropolitan Expressway inside the central ring (including the central ring) will be reduced by about 30%.
  • The change from the downtown area to the outer ring road from Kawaguchi JCT ⇒ Takatani JCT reduces the variation in required time by about 20 minutes and improves time reliability.
Image image of changes in traffic conditions and routes before and after opening

Sightseeing spots in the Chiba Bay area become more accessible from the Saitama / Kankanto area

  • Due to the opening of the Chiba section of the Outer Ring Road, the exit traffic volume (holiday) of the Expressway the Chiba Bay area (Makuhari, Urayasu, Kasai Rinkai Park, etc.) will increase by 6%, increasing tourism opportunities from Saitama and Kita-Kanto areas. Contribution (H29.9 → H30.9).
  • Stay time in Chiba prefecture (Urayasu area) increased by about 150 minutes (H29.6 to H30.3 → H30.6 to H31.3).
Image image of sightseeing from Saitama / North Kanto area to Chiba
Image image of increased tourism opportunities due to changes in access routes from Kita Kanto to Chiba Prefecture

Large vehicles that are shifting to the outer ring road

  • When moving between Saitama and Chiba (Tohoku Expressway ↔ Higashi Kandou Expressway), large-sized vehicles continue to increase through the outer ring road immediately after opening, and less than about 10% of the via Shuto Expressway one year after opening (R1.6). Drop to.
  • About 90% of large cars and 80% of ordinary cars switch to the outer ring road.
Image image of traffic conversion (via Shuto Expressway ⇒ Via Gaikan Expressway) accompanying opening of Chiba section of Gaikan Expressway

Improving traffic safety (intersections / living roads)

  • Traffic accidents on major roads (Ichikawa Matsudo Line and Matsudo Baraki Line) parallel to the Outer Ring Road (National Highway 298) decreased by about 30%, improving not only automobiles but also pedestrians and bicycles.
  • According to the results of the questionnaire, after the opening of the Gaikan Expressway, it is thought that "the environment has been improved, such as the improvement of the safety of living roads due to the reduction of vehicles entering the living roads", but it accounts for about 70%.
Image of improvement of traffic safety in the area

reference

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