Infrastructure

Major railways include the Lanzhou-Qinghai, Qinghai- Xinjiang, Yangpingguan-Xining and Xining-Zhangxe lines. The province has three highway trunk roads . Golmud airport and Caojiabao airport in Xining city provide air services to major cities in China. Telecommunications system have made remarkable progress. Apart from fixed-line telephone services, mobile telecommunications and internet services are available in the province's major cities.