Improving safety in lane control work on the Gaikan Expressway
(Introduction of mobile protection fence (load zipper system))
- Corporate Top
- Press Room
- Press Release Kanto Regional Head Office
- Improving safety in lane control work on the Gaikan Expressway
November 21, 2016
East Nippon Expressway Co., Ltd. Kanto Regional Head Office
Thank you for your cooperation in the installation of the belt conveyor on the Gaikan Expressway (Outer Ring Road).
In order to further enhance safety, we will introduce a mobile protective fence (load zipper system) in some sections of the lane regulation.
1 Overview of mobile guard fence (load zipper system)
The Road Zipper System is a system that allows you to move a concrete guard fence using a dedicated guard fence switching vehicle, and freely and safely change the construction lane regulation range according to the road congestion situation. It is possible.
By separating the traffic lane from the work zone with a concrete guard fence, the safety of the customer and work within regulations is improved.



2 Construction overview
- Target construction
- Oizumi South construction for the Tokyo Outer Ring Road Main Line tunnel (southbound)
- period
- From November 21, 2016 to March 2017 (planned)
- Place of introduction
- Outer Ring Road (Outside) Oizumi JCT-Wako IC section for construction lane regulation (about 1.5 km
- Regulation content
- At night when traffic volume decreases, lane control is performed using the road zipper system, and construction is carried out.
- Construction overview
- Foundation work for belt conveyor installation


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