Recently, Guming Tunnel, the key project of New Liuzhou-Nanning Expressway, has achieved complete pass-through. New Liuzhou-Nanning Expressway has been listed as key work task for Nanning in strengthening its hub position, and it is expected to be operational by the end of the year according to plan.
It’s understood that the left side of the tunnel has a length of 3,550 meters and the right side of the tunnel has a length of 3,515 meters and they have been constructed by the 10th and 11th Sections. The tunnel area is hilly with terrain undulations, with the tunnel going through ridges and valleys. Presently, bridge part of the expressway has almost been completed with workload of remaining bridge surfacing and crash-proof wall projects being less than 10%. With pavement construction being accelerated comprehensively, boring work of 17 tunnels has been completed out of the 18 ones, and all tunnels will be bored completely in May.