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The Gyeonggi-Incheon Metropolitan Express Rail (GTX-A) project, in which DL E&C participated, was selected as the world's best tunnel project this year.
DL E&C announced that it received the Gold Award in the Large Project category, the highest honor at the "International Tunnelling and Underground Space Association (ITA) Awards 2026," a ceremony recognized as the most authoritative in the field of tunnels and underground spaces. This marks the first time a project implemented in South Korea has won the top prize in this category.
In particular, the construction technology and stability of Korea's largest tunnel station, built at a depth of 60 meters below Seoul Station, were highly evaluated. DL E&C safely constructed a large-scale underground space—including a waiting hall, platforms, and transfer passages—beneath Seoul Station, an area traversed by high-rise offices, cultural heritage sites, numerous buses, and five railway lines. The area covers 5,300 square meters (approximately 1,600 pyeong), larger than two soccer fields combined, with a height exceeding 20 meters. With a width reaching 31 meters—three times the width of a typical tunnel (10 meters)—it is the largest single underground space in South Korea by standard.
A DL E&C official, speaking by phone to this outlet, stated, "Based on the world-class deep-level railway technology, project management capabilities, and AI- and BIM-based design technologies demonstrated through GTX-A, we plan to secure a competitive advantage in the future metropolitan transportation infrastructure market."
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*This content was translated by AI.View Original
