Tunnel Construction Professionals
Conventional Tunneling
Tateiwa Tunnel
Hokkaido Futamigun Yakumocho
Project Director, Tateiwa Tunnel JV Project OfficeNobuki KOYA
Civil Engineer, Tateiwa Tunnel JV Project OfficeYuri NAKAJIMA
Onuma Tunnel
Hokkaido Kamedagun Nanaecho
Shield Tunneling
Hiroshima Expressway 5 Shield Tunnel Construction Project
Higashi-ku, Hiroshima City, Hiroshima Prefecture
Deputy Project Director, Hiroshima Expressway 5 JV Project OfficeMotohiro HIDAKA
Chief, Hiroshima Expressway 5 JV Project OfficeMamoru NARUTAKI
Nanbu Mainline Shield Tunnel
Kasuga-cho, Takahama City, Aichi Prefecture