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  6. Road widening method "Road Plus"

Road widening method "Road Plus"

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last updated:Oct 22, 2025

高見澤 インフラセグメント
高見澤 インフラセグメント
  • Official site

"NETIS Registration: SK-100002-VE" Quickly widen roads where vehicles have difficulty passing each other! Road Plus allows for easy road widening!

○ A simple cantilever road widening method aimed at a small-scale road widening of approximately 1.75m in narrow areas such as mountainous regions. ○ The road widening method "Road Plus" is a low-carbon concrete product made using blast furnace slag fine powder.

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ロードプラスメイン1.jpg

Road widening method "Road Plus"

ロードプラスメイン1.jpg
ロードプラスメイン1.jpg
  • Related Link - https://infra.kk-takamisawa.co.jp/concrete/product…

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basic information

- Due to the cantilever structure, excavation of the mountain-side ground is unnecessary, which minimizes the impact on valleys such as rivers and waterways. - By using precast products, temporary construction can be reduced, and the construction period can be shortened. - By removing part of the top of the existing retaining wall to install blocks, reconstruction of the wall is unnecessary, leading to cost reduction. - It is compatible with vehicle protective fences (Type B and Type C), and the installation span of the P-type for support posts allows for compatibility with both vehicle and sidewalk protective fences. - Depending on regional characteristics, it can accommodate specifications for both large and medium-sized vehicles. For inquiries regarding concrete secondary products, please contact the Takamizawa Concrete Division.

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Applications/Examples of results

It is a protruding roadway where a road widening of about 1.5 meters is possible despite land constraints.

Detailed information

  • road1.jpg

    Construction Example 1 - Before Construction This is the road before construction.

  • road1-2.jpg

    Construction Example 1 - After Construction This is the road after construction.

  • road2-1.jpg

    Construction Example 2 - Before Construction This is the road before construction.

  • road2-2.jpg

    Construction Example 2 - After Construction This is the road after construction.

Company information

高見澤

高見澤 インフラセグメント

Building materials, supplies and fixtures

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Our company manufactures and sells concrete products primarily in Nagano Prefecture and the surrounding areas. For concrete products, please leave it to Takamizawa Concrete Division.

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