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business
The Grand Canyon Tunnel of the Emeishan Expressway
The Grand Canyon Tunnel is a key project on the Emei-Hankou Expressway (from Mount Emei to Hanyuan), with a total length of approximately 13 kilometers. It is one of the longest expressway tunnels under construction in the world at present. Passing th…
Baoding No. 2 Tunnel
The Baoding No. 2 Tunnel is a key control project of the Panzhihua-Dali Expressway (Panzhihua-Dali), with a total length of approximately 8.775 kilometers. It is one of the longest gas outburst tunnels on expressways under construction in China. The c…
Shiziping Tunnel of Wenma Expressway
The Shiziping Tunnel is the longest tunnel along the Wenzhou-Maerkang Expressway (from Wenchuan to Maerkang), with a total length of approximately 13.15 kilometers. It is located in Lixian County, Aba Prefecture, Sichuan Province, and passes through a…
Huaying Mountain Tunnel of Nanning-Chongqing Expressway
The Huaying Mountain Tunnel is an important expressway tunnel in southwest China, passing through the Huaying Mountain Range between Huaying City and Linshui County in Sichuan Province. The tunnel is approximately 4.7 kilometers long and was completed…
Mica Mountain Tunnel
The Mica Mountain Tunnel is a key project on the Bazhong Expressway (G85 Yinchuan-Kunming Expressway), connecting Guanba Town in Nanjiang County, Bazhong City, Sichuan Province and Xiaonanhai Town in Nanzhong District, Hanzhong City, Shaanxi Province.…
The effect drawing of the Jinjiazhuang Extra-long spiral Tunnel
The Jinjiazhuang Extra-long Spiral Tunnel is a key control project on the Yan-Chong Expressway (S3801 Jingli Expressway, Yanqing to Chongli section), located in the northwest of Jinjiazhuang Village, Chicheng County, Zhangjiakou City, Hebei Province, …
The Barang Mountain Tunnel
The Balang Mountain Tunnel is located in Xiaojin County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province. It is an important tunnel on Sichuan Provincial Road 303 (Yingxiu to Rilong Tourist Road). The tunnel is approximately 4.2 kilomete…
