青藏公路整治改建工程(格尔木——拉萨段)历时两年于2003年9月底竣工,通过一年多的运行,对部分缺陷路段及部位又进行了弥补和恢复,目前已通过了交工验收。青藏公路整治改建是为了保证青藏铁路建设顺利进行,保证各种物资、设备及材料的运输而进行的第四次整治改建。交通部本着“改建和保通同步进行”的 Reconstruction of the Qinghai-Tibet Highway (Golmud-Lhasa section) lasted two years at the end of September 2003 completed, through more than a year of operation, some of the defective sections and parts were made up and recovery, has passed the acceptance inspection. Reconstruction of the Qinghai-Tibet Highway is to ensure the smooth construction of the Qinghai-Tibet Railway to ensure the transportation of various materials, equipment and materials for the fourth renovation. Ministry of Transportation in the “rebuilt and Paul Tong simultaneously”