The State Highway No. 109 (1,947 kilometers)

Xining (103 km)-Daotanghe (116 km)Heimahe (80 km)-Caka (190 km)-Xiangride (150 km)-Momhon (144 km)-Golmud (180 km)-Budongquan (89 km)-Wudaoliang (150 km)-Tanggulashan (92 km)-Yanshiping (100 km)-Tanggula Mountain Pass (89 km)-Amdo (138 km)-Nagqu (164 km)-Damxung (75 km)Yangbajain (87 km)-Lhasa

The Qinghai-Tibet Highway is the best way to Tibet. It goes up and down slowly. With an asphalt surface, it is good for vehicles to run.