China National Highway 317 in Tibet
China National Highway 317 (G317) runs broadly west to east from Chengdu, Sichuan to Naqu, Tibet. It is 2,028 kilometres in length. As of 2017, Highway 317 passes through the highest vehicular tunnel in the world in the Chola Mountains of Dêgê County.
National Highway 317
| Route information | |
|---|---|
| Length | 2,028 km (1,260 mi) |
| Major junctions | |
| From | Chengdu, Sichuan |
| To | Naqu, Tibet |
| Highway system | |
| China National Highways: National Trunk Highway System, Transport in China | |
Route and Distance
| Place | Location (km) |
|---|---|
| Chengdu, Sichuan | 0 |
| Pi County, Sichuan | 20 |
| Dujiangyan City, Sichuan | 54 |
| Wenchuan County, Sichuan | 149 |
| Li County, Sichuan | 206 |
| Barkam County, Sichuan | 394 |
| Zhaggo County, Sichuan | 661 |
| Garzê County, Sichuan | 756 |
| Dêgê County, Sichuan | 960 |
| Jomda County, Tibet | 1070 |
| Qamdo County, Tibet | 1298 |
| Riwoqê County, Tibet | 1403 |
| Dêngqên County, Tibet | 1546 |
| Baqên County, Tibet | 1782 |
| Sog County, Tibet | 1812 |
| Nagchu County, Tibet | 2043 |
