新加坡 聖陶沙隧道13 PhotosArea: 6,800m² | Completion: 2017Central Underpass, Hong Kong5 PhotosArea: 1,700m² | Completion: 2011Wakefield Tunnel, UK5 PhotosArea: 100m² | Completion: 2010香港 尖山隧道3 PhotosArea: 36,200m² | Completion: 2006Shatin Heights Tunnel, Hong Kong3 PhotosArea: 22,910m² | Completion: 2005
