Constructors brief the media on the tunnel construction progress at the construction site of the Tangshan Road tunnel in Qingdao, east China's Shandong Province, on March 28, 2025.
The construction of the Tangshan Road tunnel, an integral part of the Tangshan Road interchange and connection line project along the Qingdao-Yinchuan Expressway, reached completion on Friday.
The tunnel spans a total length of 1,551 meters and features eight lanes in a bidirectional double-tunnel configuration. Its maximum excavation span is 31.8 meters, with a maximum excavation cross-section of 447.62 square meters, making it the largest municipal traffic tunnel in China by excavation cross-section. (Xinhua/Li Ziheng)
This photo taken on March 28, 2025 in Qingdao of east China's Shandong Province shows a construction site of the Tangshan Road tunnel with a span of 31.8 meters.
The construction of the Tangshan Road tunnel, an integral part of the Tangshan Road interchange and connection line project along the Qingdao-Yinchuan Expressway, reached completion on Friday.
The tunnel spans a total length of 1,551 meters and features eight lanes in a bidirectional double-tunnel configuration. Its maximum excavation span is 31.8 meters, with a maximum excavation cross-section of 447.62 square meters, making it the largest municipal traffic tunnel in China by excavation cross-section. (Xinhua/Li Ziheng)
This photo taken on March 28, 2025 shows a construction site of the Tangshan Road tunnel in Qingdao, east China's Shandong Province.
The construction of the Tangshan Road tunnel, an integral part of the Tangshan Road interchange and connection line project along the Qingdao-Yinchuan Expressway, reached completion on Friday.
The tunnel spans a total length of 1,551 meters and features eight lanes in a bidirectional double-tunnel configuration. Its maximum excavation span is 31.8 meters, with a maximum excavation cross-section of 447.62 square meters, making it the largest municipal traffic tunnel in China by excavation cross-section. (Xinhua/Li Ziheng)
Constructors conduct safety inspections at the construction site of the Tangshan Road tunnel in Qingdao, east China's Shandong Province, on March 28, 2025.
The construction of the Tangshan Road tunnel, an integral part of the Tangshan Road interchange and connection line project along the Qingdao-Yinchuan Expressway, reached completion on Friday.
The tunnel spans a total length of 1,551 meters and features eight lanes in a bidirectional double-tunnel configuration. Its maximum excavation span is 31.8 meters, with a maximum excavation cross-section of 447.62 square meters, making it the largest municipal traffic tunnel in China by excavation cross-section. (Xinhua/Li Ziheng)
Constructors pose for a group photo during a ceremony at the construction site of the Tangshan Road tunnel in Qingdao, east China's Shandong Province, on March 28, 2025.
The construction of the Tangshan Road tunnel, an integral part of the Tangshan Road interchange and connection line project along the Qingdao-Yinchuan Expressway, reached completion on Friday.
The tunnel spans a total length of 1,551 meters and features eight lanes in a bidirectional double-tunnel configuration. Its maximum excavation span is 31.8 meters, with a maximum excavation cross-section of 447.62 square meters, making it the largest municipal traffic tunnel in China by excavation cross-section. (Xinhua/Li Ziheng)
