【C3】外環道 橋りょうリニューアル工事

~激しい渋滞が発生しています【C4】圏央道への迂回を~

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  • 【C3】外環道 橋りょうリニューアル工事

"Gaikan Expressway renewal construction" that was carried out in 2017 was finished.
Please see the construction information special site for "Gaikan Expressway renewal construction" scheduled to be implemented from 21:00 pm on Sunday, April 8, 2018.

Outer Ring Road Renewal Construction Click here for construction information special site

June 8, 2017
East Nippon Expressway Co., Ltd.
Kanto Regional Head Office

 NEXCO東日本 関東支社(埼玉県さいたま市)では、C3東京外環自動車道(外環道)において、5月29日(月)より橋りょうリニューアル工事を実施しています。

The third week of construction will start from 10:00 am on Monday, June 12th. Because heavy traffic will occur during construction, C4 Please cooperate with the detour to the Metropolitan area central connecting road (Ken-O Road).

  • 工事2週目は、6月5日(月)午前10時より内回り 川口西IC~戸田東ICで鋼繊維補強コンクリートによる鋼床版補強工事を実施し、6日(火)21時30分に終了しました
  • During the construction, there was a traffic jam of up to 10.9km, and it took up to 76 minutes (usually 19 minutes) to pass between Misato JCT and Bijogi JCT.
  • 引き続き工事3週目は、外回り 和光北IC~戸田西ICで6月12日(月)午前10時から14日(水)20時まで実施する予定です
    工事中は渋滞通過に1時間弱かかる見込みです 圏央道等への迂回や他の交通機関のご利用をお願いします(別紙2【PDF:550KB】
  • Please use the special site* that provides information on traffic conditions and time required for passing and detouring during construction.

Special site*: Attachment 1 [PDF: 469KB] Please refer to the

1.工事2週目の状況

  • 工事内容:内回り 川口西IC~戸田東ICにおける鋼繊維補強コンクリートによる鋼床版補強工事
  • Construction period: June 5 (Monday) 10:00 am to June 6 (Tue) 21:30
  • Construction regulation: Continuous lane regulation of approximately 1,600 m
  • 渋滞状況:6月5日(月)10時15分~20時25分(最大 6.7km 18時台)
         6月6日(火)5時55分~20時15分(最大10.9km 7時~8時台)
  • 所要時間:三郷JCTから美女木JCTまで最大76分(6日8時頃 通常は19分)
写真-1 鋼繊維補強コンクリート施工状況のイメージ画像
写真-1 鋼繊維補強コンクリート施工状況
写真-2 渋滞状況のイメージ画像
写真-2 渋滞状況

2.工事3週目の予定

Construction section and period
  • 工事3週目:外回り 和光北IC~戸田西IC(※和光北IC入口(外回り)閉鎖)
    6月12日(月)10時から14日(水)20時まで
  • 荒天の場合、翌日(火~)、または6月19日(月)以降に順延となる場合があります。

3.所要時間の実績

In most time zones except at night, using the Ken-O Road Expressway takes less time.
Please confirm the latest traffic information, Ken-O Road Please help us to detour to like.

Image image of the actual time required for the first week of construction
Image of detour route
Image image of Expressway renewal project logo

Expressway Renewal project
Now, bring safety and security to the next generation.

NEXCO EAST, in order to deliver safety and security to everyone,
Expressway We will work on the update and repair business.

Image image of image link (external link) to download page of Adobe Acrobat Reader

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Related Sites and Content

Driver's site (DraPla)

If you are looking for information on fares, routes, service areas and parking areas, please click here.

Drive Traffic (DraTra)

If you are looking for real-time traffic congestion and restriction information, click here.

NEXCO EAST (Road Disaster Prevention Information) Official X

Click here if you are looking for road information such as road closures during disasters.