China National Highway 317 (G317) runs broadly west to east from

Chengdu Chengdu (, ; Simplified Chinese characters, simplified Chinese: 成都; pinyin: ''Chéngdū''; Sichuanese dialects, Sichuanese pronunciation: , Standard Chinese pronunciation: ), Chinese postal romanization, alternatively Romanization of Chi ...

Sichuan Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...

Gar County Gar County (; ), formerly Senge Tsangpo County, is a district (county) in the Ngari Prefecture of the western Tibet Autonomous Region of China. The main town is Shiquanhe, also called "Gar", on account of being the county seat, and "Ali", on accou ...

Ngari Prefecture Ngari Prefecture () or Ali Prefecture () is a prefecture of China's Tibet Autonomous Region covering Western Tibet, whose traditional name is Ngari Khorsum. Its administrative centre and largest settlement is the town of Shiquanhe. History Ngar ...

Tibet Tibet (; ''Böd''; ) is a region in East Asia, covering much of the Tibetan Plateau and spanning about . It is the traditional homeland of the Tibetan people. Also resident on the plateau are some other ethnic groups such as Monpa people, ...

. 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 Dêgê County (; ) is a county in southern China, which was formerly one of the Kham region's five independent kingdoms - the Kingdom of Derge - but is now administered as a county in Garzê Tibetan Autonomous Prefecture in far northwestern Sichu ...

. Part of the route is concurrent with the Sichuan-Tibet Highway.

Route and distance

References

See also