G75 Lanzhou–Haikou Expressway

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China Expwy G75 sign with name.svg

Lanzhou–Haikou Expressway
Lanhai Expressway
The expressway crossing the Wujiang Viaduct over the Wu River in Guizhou
Route information
Length 2,570 km[1] (1,600 mi)
Length when complete.
Major junctions
North end Kokudou 212(China).svg China National Highway 212 and South Langongping Street, Lanzhou, Gansu
South end Haikou, Hainan (when complete)
China Expwy G15 sign with name.svg G15 Shenyang–Haikou Expressway, Zhanjiang, Guangdong (current)
Highway system
National Trunk Highway System
G7211 G7511

The Lanzhou–Haikou Expressway (Chinese: 兰州—海口高速公路), commonly referred to as the Lanhai Expressway (Chinese: 兰海高速公路) is an expressway that connects the cities of Lanzhou, Gansu, China, and Haikou, Hainan. When fully complete, it will be 2,570 km (1,600 mi) in length.



The expressway is complete from Lanzhou to Weiyuan County in Dingxi, and under construction until Longnan.


The expressway is under construction from the Gansu border to Nanchong, and complete from Nanchong to the Chongqing border.


The expressway is complete in Chongqing.


The expressway is complete in Guizhou.


The expressway is under construction from the Guizhou border to Du'an Yao Autonomous County, and complete from Du'an to the Guangdong border.


The expressway is complete from the Guangxi border to Zhanjiang. At Zhanjiang, the expressway is under construction as the fixed bridge link from Guangdong to Hainan is still under construction.


When completed, the southern terminus of the expressway will be in Haikou, Hainan. Hainan is an island and currently not connected to the rest of Mainland China by a fixed road link. A bridge is being built over the Qiongzhou Strait, separating Guangdong from Hainan and will carry the Lanzhou–Haikou Expressway to Hainan.


  1. ^ [1] (in Chinese)