Ex­press­way opens on per­mafrost

China Daily (Hong Kong) - - CHINA -

A new ex­press­way sec­tion opened on Tues­day on the per­mafrost of the Qing­haiTi­bet Plateau, the world’s high­est plateau. The 634.8-km sec­tion, which con­nects Gonghe county with Yushu in Qing­hai, has an av­er­age al­ti­tude of more than 4,000 me­ters. Up to 36 per­cent of the road is built on per­mafrost, but ad­vanced tech­nol­ogy was de­vel­oped to keep the ground sur­face sta­ble for the con­struc­tion and op­er­a­tion of the road. The ex­press­way has short­ened travel time be­tween Yushu and the pro­vin­cial cap­i­tal, Xin­ing, from 12 to eight hours.

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