Auther:2023-08-30
National Highway 317 (or National Highway 317 Line, G317 Line) is a national highway in China, also known as the Sichuan-Tibet Highway North Line, a branch of National Highway 318, starting from Chengdu, Sichuan to Nagqu, Tibet, with a mileage of 2030 km, in the 13th Five-Year Plan period. The extension ends at Kargil County in Tibet's Ali region.
National Highway 317 line from Chengdu, ending in Naqu, is the main skeleton network of Tibetan highway three vertical and two horizontal six channels in the northern cross-line components. According to the person in charge, the section from Changdu to Nagqu, a total of 764 kilometers, is the alternate road of Sichuan-Tibet Highway.