Road & Tunnel
To meet the needs of our customers, society and the times, TOA Corporation is constantly improving its technologies. Here you can view our major works by facility application.
Naha Port Freeway Airport Road, submerged tunnel
| Completed： | 2010 |
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Yumesaki tunnel
| Completed： | 2009 |
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Hanwa Expressway Umenosato tunnel
| Completed： | 2007 |
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Shinwakato Road submerged tunnel (Section No. 2)
| Completed： | 2007 |
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Gongen tunnel
| Completed： | 2006 |
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Yokohama Bay Bridge Daikoku harbor road
| Completed： | 2004 |
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Dangouzaka Rest & Service Area
| Completed： | 2003 |
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CEBU South Coastal Road Project
| Completed： | 2002 |
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Niigata Minato tunnel
| Completed： | 2002 |
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Touhoku-Jukan Expy Route
| Completed： | 2001 |
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Tokyo Bay Aqua-Line, Kisarazu Man-Made Island/Umihotaru PA
| Completed： | 1997 |
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Seisho Baipasu, Hayakawa Bridge
| Completed： | 1995 |
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Hokuriku Expy, Niigata-Kameda Interchange
| Completed： | 1994 |
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