G75 Lanzhou–Haikou Expressway
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The Lanzhou–Haikou Expressway (), designated as G75 and commonly referred to as the Lanhai Expressway (), is an expressway in
China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
that connects the cities of
Lanzhou Lanzhou is the capital and largest city of Gansu province in northwestern China. Located on the banks of the Yellow River, it is a key regional transportation hub, connecting areas further west by rail to the eastern half of the country. His ...
,
Gansu Gansu is a provinces of China, province in Northwestern China. Its capital and largest city is Lanzhou, in the southeastern part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibetan Plateau, Ti ...
, and
Haikou Haikou; Chinese postal romanization, formerly romanized as Hoihow is the capital city, capital and most populous city of the Chinese province of Hainan. Haikou city is situated on the northern coast of Hainan, by the mouth of the Nandu River. ...
,
Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...
. When fully complete, it will be in length. It is one of the most important routes between
Northwest China Northwestern China () is a region in the People's Republic of China. It consists of five provincial administrative regions, namely Shaanxi, Gansu, Qinghai, Ningxia, and Xinjiang. The region is characterized by a (semi-)arid continental climate. ...
and the
Southwest The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A '' compass rose'' is primarily composed of four cardinal directions—north, east, south, and west— ...
, and considered one of the developmental axes of Development of Western China.


Route


Gansu

G75 was fully completed in Gansu with the opening of the
Wudu ''Wuduʾ'' ( ) is the Islamic procedure for cleansing parts of the body, a type of ritual purification, or ablution. The steps of wudu are washing the hands, rinsing the mouth and nose, washing the face, then the forearms, then wiping the head, ...
- Weiyuan section on 1 January 2021. Starting from the south of Lanzhou, the expressway enters the New Qidaoliang tunnel (length ) through the Xinglongshan mountains, from where it follows the
Tao River Tao River, Taohe River () or Lu Chu () is a right tributary of China's Yellow River. It starts in Xiqing Mountains () near the Gansu– Qinghai border, flows eastward across Gannan Tibetan Autonomous Prefecture, and then northward more or les ...
parallel to G212. Past
Lintao Lintao County () is administratively under the control of Dingxi, Gansu province, China. History Pottery from the Majiayao culture (3300 to 2000 BC) has been found in Lintao. Until the 20th century, Lintao was known as Didao (). The Battle of D ...
, the route diverges from the Tao river valley and passes through hilly landscape through a couple of tunnels until exiting in the
Wei River The Wei River () is a major river in west-central China's Gansu and Shaanxi provinces. It is the largest tributary of the Yellow River and very important in the early development of Chinese civilization. In ancient times, such as in the Records ...
valley. From there it continues through the long Muzhailing Tunnel. In
Min County Min County or Minxian is administratively under the control of the prefecture-level city of Dingxi, in the south of Gansu province, China. In ancient times, it was known as Lintao County due to its location along the Tao River. It was founded as ...
, 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 Gansu is a provinces of China, province in Northwestern China. Its capital and largest city is Lanzhou, in the southeastern part of the province. The seventh-largest administrative district by area at , Gansu lies between the Tibetan Plateau, Ti ...
border to
Nanchong Nanchong ( zh, c=南充 , p=Nánchōng , w=Nan-ch'ung; Sichuanese: lan2cong1) is a prefecture-level city in the northeast of Sichuan province, China, with an area of . At the 2020 census it was home to 5,607,565 people, of whom 1,936,534 liv ...
, and complete from
Nanchong Nanchong ( zh, c=南充 , p=Nánchōng , w=Nan-ch'ung; Sichuanese: lan2cong1) is a prefecture-level city in the northeast of Sichuan province, China, with an area of . At the 2020 census it was home to 5,607,565 people, of whom 1,936,534 liv ...
to the
Chongqing ChongqingPostal Romanization, Previously romanized as Chungking ();. is a direct-administered municipality in Southwestern China. Chongqing is one of the four direct-administered municipalities under the State Council of the People's Republi ...
border.


Chongqing

The expressway is complete in
Chongqing ChongqingPostal Romanization, Previously romanized as Chungking ();. is a direct-administered municipality in Southwestern China. Chongqing is one of the four direct-administered municipalities under the State Council of the People's Republi ...
.


Guizhou

The expressway is complete in
Guizhou ) , image_skyline = , image_caption = , image_map = Guizhou in China (+all claims hatched).svg , mapsize = 275px , map_alt = Map showing the location of Guizhou Province , map_caption = Map s ...
. The portion of it connecting
Guiyang Guiyang; Mandarin pronunciation: ; Chinese postal romanization, alternatively as Kweiyang is the capital of Guizhou, Guizhou province in China. It is centrally located within the province, on the Yunnan–Guizhou Plateau, eastern part of the Yun ...
and
Zunyi Zunyi ( zh, s=遵义 , t=遵義 , p=Zūnyì) is a prefecture-level city in northern Guizhou province, People's Republic of China, situated between the provincial capital Guiyang to the south and Chongqing to the north, also bordering Sichuan to t ...
is referred to as the Kaima Expressway.


Guangxi

The expressway is under construction from the
Guizhou ) , image_skyline = , image_caption = , image_map = Guizhou in China (+all claims hatched).svg , mapsize = 275px , map_alt = Map showing the location of Guizhou Province , map_caption = Map s ...
border to
Du'an Yao Autonomous County Du'an Yao Autonomous County ( Zhuang: , ) is an autonomous county under the administration of Hechi City, in the northwest of Guangxi, China. It has an area of and a population of 625,100, including 596,100 that are of minority ethnic groups. A ...
, and complete from Du'an to the
Guangdong ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name "''Guang''" ultimately came from Guangxin ( zh, labels=no, first=t, t= , s=广信), an outpost established in Han dynasty ...
border.


Guangdong

The expressway is complete from the
Guangxi Guangxi,; officially the Guangxi Zhuang Autonomous Region, is an Autonomous regions of China, autonomous region of the China, People's Republic of China, located in South China and bordering Vietnam (Hà Giang Province, Hà Giang, Cao Bằn ...
border to
Zhanjiang Zhanjiang; Leizhou Min: ''Tchiàm-kōng''; previously Tsamkong or Guangzhouwan, then romanized in English as Kwangchowan or Kwangchow Wan. is a port city on the southwestern panhandle of Guangdong province in South China. The prefecture- ...
. At
Zhanjiang Zhanjiang; Leizhou Min: ''Tchiàm-kōng''; previously Tsamkong or Guangzhouwan, then romanized in English as Kwangchowan or Kwangchow Wan. is a port city on the southwestern panhandle of Guangdong province in South China. The prefecture- ...
, the expressway is under construction as the fixed bridge link from
Guangdong ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name "''Guang''" ultimately came from Guangxin ( zh, labels=no, first=t, t= , s=广信), an outpost established in Han dynasty ...
to
Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...
is still under construction.


Hainan

When completed, the southern terminus of the expressway will be in
Haikou Haikou; Chinese postal romanization, formerly romanized as Hoihow is the capital city, capital and most populous city of the Chinese province of Hainan. Haikou city is situated on the northern coast of Hainan, by the mouth of the Nandu River. ...
,
Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...
.
Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...
is an island and currently not connected to the rest of
Mainland China "Mainland China", also referred to as "the Chinese mainland", is a Geopolitics, geopolitical term defined as the territory under direct administration of the People's Republic of China (PRC) in the aftermath of the Chinese Civil War. In addit ...
by a fixed road link. A bridge is being built over the
Qiongzhou Strait The Qiongzhou Strait, also called the is the Chinese strait that separates Guangdong's Leizhou Peninsula from the island province of Hainan. It connects the Gulf of Tonkin on its west to the South China Sea on its east. The strait is on averag ...
, separating
Guangdong ) means "wide" or "vast", and has been associated with the region since the creation of Guang Prefecture in AD 226. The name "''Guang''" ultimately came from Guangxin ( zh, labels=no, first=t, t= , s=广信), an outpost established in Han dynasty ...
from
Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...
and will carry the Lanzhou–Haikou Expressway to
Hainan Hainan is an island provinces of China, province and the southernmost province of China. It consists of the eponymous Hainan Island and various smaller islands in the South China Sea under the province's administration. The name literally mean ...
. 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 , the road descends . 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. On 7 November 2015, a truck caught fire in the Qinggangshao tunnel between Chongqing and
Zunyi Zunyi ( zh, s=遵义 , t=遵義 , p=Zūnyì) is a prefecture-level city in northern Guizhou province, People's Republic of China, situated between the provincial capital Guiyang to the south and Chongqing to the north, also bordering Sichuan to t ...
. The driver managed to drive the burning truck out of the tunnel to a safe parking spot, preventing any injuries. On 9 November 2015, two trucks collided with a bus in Wusheng, resulting in 6 deaths and 26 injured people.


Detailed Itinerary


References

{{DEFAULTSORT:G75 Lanzhou-Haikou Expressway Chinese national-level expressways Expressways in Gansu Expressways in Sichuan Expressways in Chongqing Expressways in Guizhou Expressways in Guangxi Expressways in Guangdong Expressways in Hainan