Tunnel ＆ Road・Transport
We provide advanced Japanese expertise in tunnel engineering. In Japan, we have worked on more than 400 tunnel projects over the past 20 years, covering preliminary and detailed design, facility design, inspection, maintenance, and supervision.
Although tunnel projects in Thailand are still limited, we are ready to provide this knowledge and proven technology for future developments. Our experience ensures safe, efficient, and durable tunnels that meet local needs and adapt to challenging conditions.
Tunnel Project Experience in Japan
- Examples of EJEC Tunnel Projects (Over 1 km)
| Year | Scope of Work | Project Name/Description of Project | Project Owner | Tunnel Length |
|---|---|---|---|---|
| 2016-2017 2013-2014 | Planning | Tunnel planning and Construction Plan for Takimurozaka tunnel, Kumamoto, Japan | Kyushu Regional Development, MLIT, Japan | 4.8 km |
| 2016-2017 | Detailed Design | Detailed Design for Futaenotouge Tunnel on National Highway 57 restoration Road, Japan | Kyushu Regional Development, MLIT, Japan | 3.7 km |
| 2013 | Detailed Design | Detailed Design for Sueichi Tunnel | Kyushu Regional Development, MLIT, Japan | 2.3 km + 1.7 km |
| 2011-2012 | Design Modification | Modification Design for Yoshinomoto Tunnel on East Kyushu Road (Kiyotake -Kitagou) | Kyushu Regional Development, MLIT, Japan | 1.8 km |
| 2011-2012 | Construction Supervision | Technical Supervision for Construction of New Takeoka Tunnel | Kyushu Regional Development, MLIT, Japan | 1.5 km |
| 2007-2008 | Detailed Design | Detailed Design for Saeki Tunnel | Kyushu Regional Development, MLIT, Japan | 1.56 km |
| 2006-2007 | Detailed Design | Detailed Design for Nishiyama Tunnel | Shikoku Regional Development, MLIT, Japan | 2.1 km |
| 2001-2002 | F/S | Feasibility Study for Komatsu-Shirakawa Connection Road Including Kaga-Hida Tunnel | Hokuriku Regional Development, MLIT, Japan | 22 km, 12 km |
International Tunnel Project Experience
| Year | Country | Scope of Work | Project Name/Description of Project | Project Owner |
|---|---|---|---|---|
| 2021-2025 | Thailand | Technical Assistant | The Project for Capacity Development for Tunnel Project Management | JICA |
| 2019-2022 | Indonesia | Preliminary Design | Payakunbu Pankaran Toll Road Tunnel Construction Project Preparatory Investigation and Detailed Design | JICA |
| 2017-2023 | Nepal | DD & SV | Detailed Design and Construction Supervision for Nagudhunga Tunnel | JICA |
| 2016-2020 | Thailand | FS | Feasibility Study for Tak-Mae Sot Inter-City Motorway | DOH |