How does the road from Dunhuang to Lhasa serve settlements near the Kunlun Mountains?

The hard-surfaced trans-Tibetan road connecting Dunhuang and Lhasa serves as a vital logistical artery for settlements located in Qinghai near the Kunlun Mountains.1

This road facilitates the movement of essential goods through the region via truck transport. These vehicles supply remote settlements with necessary items such as building materials, motor fuel, vegetables, and various sundry goods. Additionally, the road supports the regional economy by enabling the transport of raw materials—including coal, soda ash, and petroleum—from extraction sites to nearby towns.1