cqrb(SH:600106) Yang Shi Xin Wen·2025-09-28 09:33Group 1 - The project spans approximately 131.3 kilometers, with 86.3 kilometers located in Panzhihua and 45 kilometers in Liangshan Prefecture, featuring a dual four-lane highway standard and a design speed of 80 km/h [2] - The project includes 67 bridges, 20 tunnels, and 10 interchanges, with a bridge-tunnel ratio of about 80% [2] - The construction of the Gesala Tunnel, which will be approximately 12 kilometers long, is notable as it will become the world's highest elevation difference highway tunnel upon completion [6] Group 2 - The Tongde Tunnel, measuring about 14.5 kilometers, is set to become the world's longest single-slope highway tunnel [6] - The Jinsha River Grand Bridge will be the domestic highway cable-stayed bridge with the largest width variation in the same category [6] - Once completed, the travel time from Panzhihua city to Yan County will be reduced from 5 hours to approximately 2 hours, enhancing connectivity with four major regional traffic arteries [6]