[C3] For customers who use the outer ring road
<< Heavy traffic is expected due to renewal work. [C4] Please make a detour to the Ken-Ken-O Road. 》
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- Notice
- Important notice regarding use
- [C3] For customers who use the outer ring road
平成29年5月29日(月)より、C3東京外環自動車道(外環道)において橋りょうリニューアル工事を実施しています。引き続き、6月12日(月)より工事3週目を実施します。
During the construction period, in some sections of the outer ring road (outer loop) To control lanes day and night, Heavy traffic is expected.
C4 Please cooperate with the detour to the metropolitan area central connecting road (Ken-O Road Expressway).
Please see the special website for details on construction, restricted sections, implementation status, etc.
You can also check here for information on passing and detouring under construction regulations.
- Click here for the time required to pass or detour
- For information on traffic congestion prediction This [PDF: 550KB]
- 迂回路のご案内(5/29・5/30の所要時間実績)はこちら
We apologize for any inconvenience caused and ask for your understanding and cooperation.

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