Outline of opening section

50 years of GAIKAN construction

Maintenance effect

Outer Ring Road Construction Technology

Outer Ring Road disaster prevention equipment and evacuation methods in the event of a disaster

Overview of business sections from Chiba to Tokyo

GAIKAN library

Toll

Communication activities

Outline of opening section

50 years of GAIKAN construction

Maintenance effect

Outer Ring Road Construction Technology

Outer Ring Road disaster prevention equipment and evacuation methods in the event of a disaster

Overview of business sections from Chiba to Tokyo

GAIKAN library

Toll

Communication activities

Topics

2021年度
2019
FY2018
2017
2016
2015
2014
2013
2012
2011
2010
FY2009

2012.3

2012.3.9
General National Highway No. 14 Notice of Night Vehicle Closure
[PDF: 475KB]
2012.3.9
City road No. 0124 Night car closure has ended
[PDF: 120KB]
2012.3.7
News of city road 0124 night car closing
[PDF: 344KB]

2012.2

2012.2.27
Updated "Business Progress" and "Communication Activities"
2012.2.15
"Business Progress" has been updated
2012.2.1
Regarding the lane switching work between the Shinozaki and Ichikawa ICs on the Keiyo Road following the construction of the outer ring road
2012.2.1
About closing of Keiyo Road Onitaka PA (upper and lower lines) due to outer ring road construction work

2012.1

2012.1.19
High expectations for the opening of the outer ring (Chiba section) -Notice of the "outer ring questionnaire results" for FY2011-
[PDF: 267KB]
2012.1.10
"Business Progress" has been updated
2012.1.4
"Business Progress" has been updated

2011.11

2011.11.30
"Business Progress" has been updated

2011.9

2011.9.30
Notice of relocation of "Seikan Ichikawa Counseling Center"
[PDF: 123KB]

2011.8

2011.8.24
We installed "outer ring information corner"
[PDF: 157KB]
2011.8.3
Apology for disconnection of telephone lines in Ichikawa Chugoku area
[PDF: 61KB]

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Tsunagari, Tsunag. GAIKAN

Outline of opening section

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50 years of GAIKAN construction

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Maintenance effect

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Outer Ring Road Construction Technology

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Outer Ring Road disaster prevention equipment and evacuation methods in the event of a disaster

From Chiba to Tokyo Outline of business section

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GAIKAN library

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Toll

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Communication activities

Terms of Use

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Privacy Policy

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Information Security Policy

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