The Hainan Island Ring Expressway (), officially the Hainan Region Ring Expressway () and designated G98, Standardization Administration of the People's Republic of China. Mark rules of highway route and number of national trunk highway (GB/T 917-2017). 7 September 2017. is a that encircles the island of

Hainan Hainan (, ; ) is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. , the largest and most populous island in China,The island of Taiwan, which is slightly l ...

in the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

History

In August 2010, the expressway was formed from the amalgamation of parts from four different expressways: * Hainan East Line Expressway (), traversing the eastern portion of the island. Leftover was a small section north of the Longqiao interchange, which was redesignated S81 and named the Haikou Connecting Line (). * Hainan West Line Expressway (), traversing the western portion of the island, along the coast * Haikou Ring Expressway (), which previously served as a bypass of the city center of

Haikou Haikou (; ), also spelled as Hoikow is the 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. The northern part of the city is on the Ha ...

. Leftover was a small section east of the Longqiao interchange, connecting the expressway network to

Haikou Meilan International Airport Haikou Meilan International Airport is the airport serving Haikou, the capital of Hainan Province, China. It is located southeast of the city center and was opened in 1999, replacing the old Dayingshan Airport located along what is now the cit ...

, which was not included in the new designation, and was renamed the Meilan Airport Connecting Line () and redesignated S82. * Sanya Ring Expressway (), which previously served as a bypass of the city center of

Sanya Sanya (; also spelled Samah) is the southernmost city on Hainan Island, and one of the four prefecture-level cities of Hainan Province in South China. According to the 2020 census, the total population of Sanya was 1,031,396 inhabitants, li ...

. As part of this amalgamation, the

kilometre zero In many countries, kilometre zero (also written ''km 0'') or similar terms in other languages (also known as zero mile marker, zero milepost, control stations or control points) denote a particular location (usually in the nation's capital cit ...

marker of the expressway was set at the Longqiao interchange in

's Longhua District, with numbers increasing clockwise along the expressway.

Route

The Hainan Ring Expressway forms an orbital route that traverses the island of

. The expressway follows much of the coast of the island, except for a section in the east between

and

Qionghai Qionghai, or in local Hainanese dialect as Kheng Hai, is one of the seven county-level cities of Hainan province, China. Although Administrative divisions of China#Ambiguity of the word "city" in China, called a "city", Qionghai refers to a large ...

, which takes a more inward and direct route. The

G9812 Haikou–Qionghai Expressway The Haikou-Qionghai Expressway (), designated as G9812, is an expressway located in Hainan, China. The starting point is Haikou Guilin Yang, via Wenchang, Qionghai to reach the destination Wanquan Interchange, connecting G98 Hainan Island Ring Ex ...

, which is partially complete, uses the coastal route for this stretch. G 98 Hai Nan Huan Xian Gao Su
''Google Maps.'' Retrieved 27 July 2013. The Hainan Ring Expressway is currently not connected to any other national-level expressways in China. A bridge is currently being planned from

Mainland China "Mainland China" is a geopolitical term defined as the territory governed by the People's Republic of China (including islands like Hainan or Chongming), excluding dependent territories of the PRC, and other territories within Greater China. ...

, 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 ...

. This would connect the Hainan Ring Expressway with the

G15 Shenyang–Haikou Expressway The Shenyang–Haikou Expressway (), designated as G15 and commonly referred to as the Shenhai Expressway () is an expressway in China that connects the cities of Shenyang, Liaoning, and Haikou, Hainan. When fully complete, it will be in length. ...

and

G75 Lanzhou–Haikou Expressway The Lanzhou–Haikou Expressway (), designated as G75 and commonly referred to as the Lanhai Expressway () is an expressway in China that connects the cities of Lanzhou, Gansu, and Haikou, Hainan. When fully complete, it will be in length. It ...

concurrently, which would provide a connection to the rest of the expressway system in China. A section of the expressway between the Longqiao interchange in

and the Bailian interchange in

Chengmai County Chéngmài County (Postal romanization, postal: Tsingmai; ) is an administrative district in Hainan, China. It is one of four County (People's Republic of China), counties of Hainan. Its postal code is 571900. In 2002, its population was 490,800. ...

, originally part of the Haikou Ring Expressway, is concurrent with the

G9801 Haikou Ring Expressway The Haikou Ring Expressway (), designated as G9801, and G1501 until 2017, was a http://www.cnyangluo.com/html/200712/19/090203527.htm (chinesisch) in Haikou, Hainan, China China, officially the People's Republic of China (PRC), is a cou ...

Eastern route

The eastern portion, formerly known as the Hainan East Line Expressway, traverses through the following administrative divisions from north to south: *

Ding'an County Dìng'ān (; postal: Tingan) is an administrative district in Hainan, People's Republic of China. It is one of 4 counties of Hainan. In 1999 its population was 304,522 people. The town of Dingcheng is the main population center. Climate See ...

Wanning Wanning or in local Hainanese dialect as Ban Ning is a county-level city in the southeast of Hainan Province, China. Although called a "city", Wanning refers to both the county seat and to the entire county as a whole. The county-wide area h ...

Lingshui Li Autonomous County Língshuǐ Li Autonomous County is an autonomous county in Hainan, China. It is one of the six autonomous counties of Hainan with a postal code of 572400, and in 1999 a population of 318,691, largely made up of the Li people. Notably the beautif ...

Western route

The western portion, formerly known as the Hainan West Line Expressway, traverses through the following cities from north to south: *

Lingao County Língāo County (formerly romanised as Limko or Limkao) is an administrative district in Hainan province, China. It is one of 4 counties of Hainan. Its postal code is 571800, and in 1999 its population was 399,057 people. Climate See also * L ...

Danzhou Danzhou () is a prefecture-level city in the northwest of the Chinese island province of Hainan. Although called a "city", Danzhou administers a large area which was called Dan County or Danxian () until 1993. The administrative seat and urban ...

Changjiang Li Autonomous County Changjiang Li Autonomous County (formerly known by its Cantonese romanization name Cheongkong) is an autonomous county in Hainan, China. It is one of six counties of Hainan. Its postal code is 572700, and in 1999 its population was 225,131 people, ...

* Dongfang *

Ledong Li Autonomous County Ledong Li Autonomous County (; postal: Loktung) is an autonomous county in Hainan province, China. It is one of six autonomous counties of Hainan. Its postal code is 572500, and in 1999 its population was 468,834 people, largely made up of the L ...

References

{{PRChina-road-stub Expressways in Hainan Chinese national-level expressways