China National Highway 313 (G313) was a National Highway from Anxi

Guazhou County

Guazhou County , formerly Anxi County , is an administrative district in Gansu, the People's Republic of China. It is one of 58 counties of Gansu...

 (Guazhou), Gansu

Gansu

' is a province located in the northwest of the People's Republic of China.It lies between the Tibetan and Huangtu plateaus, and borders Mongolia, Inner Mongolia, and Ningxia to the north, Xinjiang and Qinghai to the west, Sichuan to the south, and Shaanxi to the east...

 Province to Ruoqiang

Ruoqiang County

Ruoqiang is a county of the Xinjiang Uyghur Autonomous Region in Western China and is under the administration of the Bayingolin Mongol Autonomous Prefecture...

, Xinjiang

Xinjiang

Xinjiang is an autonomous region of the People's Republic of China. It is the largest Chinese administrative division and spans over 1.6 million km2...

. The total length was 821 km.

At present, the section between Guazhou and Dunhuang

Dunhuang

Dunhuang is a city in northwestern Gansu province, Western China. It was a major stop on the ancient Silk Road. It was also known at times as Shāzhōu , or 'City of Sands', a name still used today...

 has become part of Gansu Provincial Highway, the section between Dunhuang and Aksai has become a part of China National Highway 215

China National Highway 215

China National Highway 215 runs from Hongliuyuan, Gansu to Golmud, Qinghai. It is 641 kilometres in length and runs south from Hongliuyuan towards Golmud.-Route and distance:-External links:*...

, the section between Aksai and Annanba Village has become part of Gansu Provincial Highway 313 (S313), and the section between Annanba Village and Ruoqiang has been abandoned.