中外道路 Official site

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Company information

With people, roads, and the environment.

Our company, a specialized manufacturer of expansion devices for bridges and elevated roads, has been in operation for 60 years since its founding in 1965. While responding to needs such as safety, drivability, durability, and cost-effectiveness, we support a better road and living environment as a company that plays a part in social infrastructure. Even during disasters that have occurred across the country, our products have minimized damage, fostering greater safety and trust. "Together with people, roads, and the environment" We will continue to walk this path.

Business Activities

Investigation, design, manufacturing, sales, and construction of expansion devices for bridges and elevated roads.

Key Partners

Ministry of Land, Infrastructure, Transport and Tourism / East Nippon Expressway Company Limited / Central Nippon Expressway Company Limited / West Nippon Expressway Company Limited / Metropolitan Expressway Company Limited / Hanshin Expressway Company Limited / Honshu-Shikoku Bridge Expressway Company Limited / Local governments and road public corporations / Civil engineering and construction companies / Bridge manufacturers / Paving companies

※In April 2020, it became a subsidiary of the Yamau Group, and in April 2021, it became a group company simultaneously with the establishment of Yamau Holdings as a holding company.

Company overview

  • Company name 中外道路
  • Establishment April 15, 1965
  • capital 1200Ten thousand yen
  • number of employees 95person
  • Address 〒658-0015 Hyogo/ Higashinada-ku, Kobe-shi/ 8-6-26 Motoyama Minamimachi, Higashi Kobe Center Building, West Wing, 13th Floor View on map
  • TEL 078-451-2350
  • FAX 078-451-2357

Business Locations (10)

Sales agent (2)