G75 Lanzhou–Haikou Expressway

The Lanzhou–Haikou Expressway (Chinese: 兰州—海口高速公路), designated as G75 and commonly referred to as the Lanhai Expressway (Chinese: 兰海高速公路) is an expressway in China that connects the cities of Lanzhou, Gansu, and Haikou, Hainan. When fully complete, it will be 2,570 km (1,600 mi) in length. It is one of the most important routes between Northwest China and the Southwest, and considered one of the developmental axes of Development of Western China.[2][3]

alt=Lanzhou–Haikou Expressway shield
Lanzhou–Haikou Expressway
兰州－海口高速公路
Lanhai Expressway
兰海高速公路
Wujiang River Bridge-1.jpg
The expressway crossing the Wujiang Viaduct over the Wu River in Guizhou
Route information
Length2,570 km[1] (1,600 mi)
Length when complete.
Major junctions
North end China National Highway 212 and South Langongping Street, Lanzhou, Gansu
South endHaikou, Hainan (when complete)
G15 Shenyang–Haikou Expressway, Zhanjiang, Guangdong (current)
Location
CountryChina
Highway system
← G7221→ G7511

Route

Gansu
The northern terminus of G75 at Lanzhou South toll station
Under construction near Wudu

G75 was fully completed in Gansu with the opening of the Wudu-Weiyuan section on 1 January 2021.[4]

Starting from the south of Lanzhou, the expressway enters the New Qidaoliang tunnel (length 4,070 metres (2.53 mi)) through the Xinglongshan mountains, from where it follows the Tao River parallel to G212. Past Lintao, the route diverges from the Tao river valley and passes through hilly landscape through a couple of tunnels until exiting in the Wei River valley. From there it continues through the 15.2 kilometres (9.4 miles) long Muzhailing Tunnel.[5] In Min County, the expressway parallels G212 again until Longnan, exiting Gansu through a mountainous valley by numerous tunnels and viaducts.

Sichuan

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

Chongqing

The expressway is complete in Chongqing.

Guizhou
G75 near Duyun

The expressway is complete in Guizhou. The portion of it connecting Guiyang and Zunyi is referred to as the Kaima Expressway.

Guangxi

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

Guangdong

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.

Hainan

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.

As of December 2022, only the collinear section with G15, within Haikou city, is opened for service.

Major accidents

The northern terminus of G75 in Lanzhou has been the site of hundreds of accidents, totaling at least 42 deaths since 2012. Over a distance of 17 kilometres (11 mi), the road descends 1,057 metres (3,468 ft). Trucks having brake failure or being overloaded, and drunk drivers cause most of the accidents. The toll station is located several kilometers from the actual terminus of the expressway to reduce the severity of accidents. With the opening of the Lanzhou South Ring Expressway, heavy trucks are not allowed on the downhill section any more.[6]

On 7 November 2015, a truck caught fire in the Qinggangshao tunnel between Chongqing and Zunyi. The driver managed to drive the burning truck out of the tunnel to a safe parking spot, preventing any injuries.[7]

On 9 November 2015, two trucks collided with a bus in Wusheng, resulting in 6 deaths and 26 injured people.[8]

Detailed Itinerary
From North to South
G15 Shenhai Expressway
S75 Lanhai Expressway Zhanjiang Branch
Concurrent with G15 Shenhai Expressway
S374 Road
Zhanhai-West
X684 Road
Towards G207 Road
Chengyue
Suixi Service Area
G207 Road
Leizhou
Baisha Service Area
S373 Road
Leizhou-Yangjia
X692 Road
Towards G207 Road
Songzhu
Leizhou Service Area
X699 Road
Towards G207 Road
Towards S290 Road
Longmen
X699 Road
Towards G207 Road
Towards S290 Road
Yingli-Tandou
X331 Road
Towards G207 Road
Xiaqiao
Xucheng Toll Station

 G207 Road
Xuwen
Planned to be continued to Hainan Province
From South to North

References
  1. (in Chinese)
  2. "渭武高速陇南段预计年底通车 | G75兰海高速这个路段封闭管制". 5 December 2020.
  3. Fang, Chuanglin; Yu, Danlin (2020-01-03). China's Urban Agglomerations. Springer Nature. ISBN 978-981-15-1551-4.
  4. "渭武高速陇南段通车试运营_滚动新闻_中国政府网". www.gov.cn. Retrieved 2021-01-12.
  5. "渭武高速公路木寨岭特长隧道取得节点性进展-新华网甘肃频道". www.gs.xinhuanet.com. Archived from the original on January 14, 2021. Retrieved 2021-01-12.
  6. 赵婷婷. "Traffic safety assessment in Lanzhou released". www.chinadaily.com.cn. Retrieved 2020-11-25.
  7. "兰海高速一货车尾部燃起大火 司机舍命将车开出隧道(组图)". 11 August 2015.
  8. "关于兰海高速公路南渝段"10.23"较大道路交通事故情况的通报". Archived from the original on 13 April 2016.
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