China National Highway 317 (G317) runs broadly west to east from Chengdu, Sichuan to Gar County, Ngari Prefecture, Tibet. It is 2,028 kilometres in length and forms an important transportation route in Tibet. As of 2017, Highway 317 passes through the highest vehicular tunnel in the world in the Chola Mountains of Dêgê County. Part of the route is concurrent with the Sichuan-Tibet Highway.
Route and distance
+ Route and distancePlaceLocation (km)Chengdu, Sichuan0Pi County, Sichuan20Dujiangyan City, Sichuan54Wenchuan County, Sichuan149Li County, Sichuan206Barkam County, Sichuan394Zhaggo County, Sichuan661Garzê County, Sichuan756Dêgê County, Sichuan960Jomda County, Tibet1070Qamdo County, Tibet1298Riwoqê County, Tibet1403Dêngqên County, Tibet1546Baqên County, Tibet1782Sog County, Tibet1812Nagqu County, Tibet2043
References
See also China National Highways