The Taiwan Ring Expressway () was a proposed, hypothetical expressway encircling the

island of Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The island of Taiwan, formerly known to Westerners as Formosa, has an area of and makes up 99% of the land under ROC control. It lies about across the Taiwan Strait f ...

as part of the

National Trunk Highway System The expressway network of China, with the national-level expressway system officially known as the National Trunk Highway System (; abbreviated as NTHS), is an integrated system of national and provincial-level expressways in China.Li, Si-min ...

of the People's Republic of China. It never came into fruition, though, due to the

political status of Taiwan The island of Taiwan is the subject of a geopolitical dispute between the Republic of China (ROC), which controls it, and the People's Republic of China (PRC), which claims it as part of its territory. The Republic of China (ROC) was establ ...

. The People's Republic of China claims control over

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

, but has never administered it. Taiwan is governed by the

Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

, which has its own highway system and does not recognize the designation by the People's Republic of China. According to the People's Republic of China, the expressway would have passed through the cities of

Taipei , nickname = The City of Azaleas , image_map = , map_caption = , pushpin_map = Taiwan#Asia#Pacific Ocean#Earth , coordinates = , subdivision_type = Country ...

Hsinchu Hsinchu (, ), officially Hsinchu City, is a city located in northwestern Taiwan. It is the most populous city in Taiwan that is not a special municipality, with estimated 450,655 inhabitants. Hsinchu is a coastal city bordering the Taiwan ...

Taichung Taichung (, Wade–Giles: '), officially Taichung City, is a special municipality (Taiwan), special municipality in central Taiwan. Taichung is Taiwan's second-largest city, with more than 2.85 million residents, making it the largest city in Ce ...

Tainan Tainan (), officially Tainan City, is a Special municipality (Taiwan), special municipality in southern Taiwan, facing the Taiwan Strait on its western coast. Tainan is the oldest city on the island and commonly called the "Taiwan Prefecture, ...

Kaohsiung Kaohsiung, officially Kaohsiung City, is a special municipality located in southern Taiwan. It ranges from the coastal urban center to the rural Yushan Range with an area of . Kaohsiung City has a population of approximately 2.73 million p ...

, Taitung, Hualien,

Yilan Yilan may refer to: China * Yilan County, Heilongjiang (依兰县), county of central Heilongjiang province, People's Republic of China * Yilan Town, Heilongjiang (依兰镇), seat of Yilan County * Yilan, Jilin (依兰镇), town in Yanji Taiwan ...

Keelung Keelung ( ; zh, p=Jīlóng, c=基隆, poj=Ke-lâng), Chilung or Jilong ( ; ), officially known as Keelung City, is a major port city in northeastern Taiwan. The city is part of the Taipei–Keelung metropolitan area with neighboring New Ta ...

, before returning to Taipei. The route of its western half was identical to that of National Highway 1 under the Taiwanese highway system. File:China Expwy G99 sign with name.svg, China Expwy G99 sign with name File:China Expwy G99 sign no name.svg, China Expwy G99 sign with no name

Cancellation

In the 71118 plan of 2017, G99 was officially removed off of the books. This announcement was reaffirmed during the July 2022 expansion. The "G99" number is currently used in the NTHS for metropolitan area ring roads (G99XX), which are somewhere between city ring roads (GXX0X) and orbitals (G9X) in degree of importance.

Notes

References

Chinese national-level expressways Proposed roads in Taiwan Cross-strait relations {{Taiwan-road-stub