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青藏公路格尔木至拉萨段是 1 0 9国道的终端段 ,全长 1 1 5 5 km,是西藏公路运输的大动脉 ,承担着全自治区 80 %以上的进出藏物资运输任务 ,可以说是西藏的生命线。但由于公路修建时对冻土病害的治理不够彻底 ,致使公路年年坏 ,年年修 ,每年维修经费高达 1 0 0 0万元 ,而且还不
The Golmud-Lhasa section of the Qinghai-Tibet Highway is the terminal section of the 109th national highway with a total length of 1155 km. It is the artery of Tibet’s road transport and undertakes more than 80% of the transport tasks for entering and leaving Tibet in the autonomous region. It can be said that it is the lifeline of Tibet . However, due to the lack of thorough control of permafrost on the construction of roads, the roads are damaged year after year, with yearly maintenance and annual maintenance expenses as high as 10 million yuan,