【C4】首都圏中央連絡自動車道4車線化(久喜白岡JCT~大栄JCT)の一部が令和7年8月29日6時に完成します

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  • 【C4】首都圏中央連絡自動車道4車線化(久喜白岡(くきしらおか)JCT~大栄(たいえい)JCT)の一部が令和7年8月29日6時に完成します

PDF version [PDF: 2.7MB]

July 31, 2020
East Nippon Expressway Co., Ltd. Kanto Regional Head Office
Tsukuba Construction Office
Ministry of Land, Infrastructure, Transport and Tourism, Kanto Regional Development Bureau
Joso National Highway Office

 東日本高速道路株式会社つくば工事事務所及び、国土交通省関東地方整備局常総国道事務所が整備を進めてまいりました、C4首都圏中央連絡自動車道(以下「圏央道」)4車線化(久喜白岡JCT~大栄JCT)の一部が運用開始しますのでお知らせします。
 引き続き、茨城県・千葉県区間の4車線化については、安全を最優先に整備を進めてまいります。

Overview of completed project

  • 4-lane operation start date:
    Friday, August 29, 2020, 6:00 p.m.
  • 4-lane operation start section:
    Tsukuba Ushiku IC to Ushikuami IC
    Amihigashi IC to Inashiki IC

Location map of the completed section

Image of the location map of the completed section

Outline of 4-lane operation section

Legend image image

①Before construction of the four-lane road began

Image of the road before construction began to widen it to four lanes

②As of July 31, 2020 (Thursday)

Image as of Thursday, July 31, 2025

③After 6:00 on Friday, August 29, 2020

Image of the event after 6:00 AM on Friday, August 29, 2025

Attachment

【C4】圏央道4車線化による効果【PDF:2.0MB】

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