China National Highway 317

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.[1]

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National Highway 317
Route information
Length2,028 km (1,260 mi)
Major junctions
FromChengdu, Sichuan
ToNaqu, Tibet
Highway system
China National Highways

Route and distanceEdit

G317 by the Zipingpu Reservoir, Dujiangyan, Sichuan
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


  1. ^ "Tibet less remote as world's highest road tunnel opens". Xinhua. People. 10 November 2016. Retrieved 21 July 2017.

See alsoEdit