109 national road tour is introduced: 109 national road (or "national road 109 line", "G109 line") is in a Chinese national highway, the starting point for Beijing, the destination for the Tibetan capital Lhasa, covering a total of 3901 km. The song sing "a gold ribbon to Beijing and connect Lhasa" refers to the 109 national road is. The road after Beijing, hebei, shanxi, Inner Mongolia, ningxia, gansu, qinghai and Tibet eight provinces. The qinghai-tibet railway, strict sense is to point to 109 national road from xining to Lhasa, including xining to golmud sections 794 kilometers, golmud to Lhasa period of 1215 kilometers. This is the best road to Tibet and the most safe roads, is that most people the first choice of Tibet, is China's four Tibet in a passenger train the only road and train operation of the plateau line. The qinghai-tibet railway is contrary to sichuan-tibet, yunnan Tibet online mountain ranges, canyon rivers, in addition to individual location, the qinghai-tibet railway is a straight line to the section you can't have them.