Nanning–Kunming high-speed railway (formerly known as the Yunnan–Guangxi high-speed railway) is a high-speed railway connecting Nanning and Kunming, respectively the capitals of the

Guangxi Zhuang Autonomous Region Guangxi (; ; alternately romanized as Kwanghsi; ; za, Gvangjsih, italics=yes), officially the Guangxi Zhuang Autonomous Region (GZAR), is an autonomous region of the People's Republic of China, located in South China and bordering Vietnam ( ...

and

Yunnan Province Yunnan , () is a landlocked province in the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the ...

. It has a total length of of electrified double-track railway, built to the Grade 1 standard. Positioned as part of China's "long-term railway network plan", to improve the layout and the development of South-Western China with critical infrastructure, it was Yunnan Province's first high-speed transport corridor to the sea. With future Pan-Asian railways to Laos,

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is b ...

and

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

planned or under construction, this railway will be seen as a crucial link between the economic powerhouse of the

Pearl River Delta Economic Zone The Pearl River Delta Economic Zone () (once called 粤江平原), is a special economic zone on the southeastern coast of China. Located in the Pearl River Delta, it consists of the Chinese cities of Guangzhou, Shenzhen, Zhuhai, Foshan, Dongguan ...

and

Indochina Mainland Southeast Asia, also known as the Indochinese Peninsula or Indochina, is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to the west an ...

under the One Belt-One Road initiative.

History

* December 27, 2009 – Construction of the Nanning–Kunming high-speed railway started. * June 20, 2011 – Xiaotuanshan tunnel breakthrough. * October 2015 – Phase 1 from Nanning to Baise completed construction and testing began. * December 11, 2015 – Phase 1 opened and operations from Nanning to Baise section commenced, with CRH2A trains. * December 28, 2016, Phase 2 opened and operations from Baise to Kunming section commenced.

Route

Construction started on December 27, 2009, with the first phase from Nanning to

Baise Baise (; local pronunciation: ), or Bose, is the westernmost prefecture-level city of Guangxi, China bordering Vietnam as well as the provinces of Guizhou and Yunnan. The city has a population of 4.3 million, of which 1.4 million live in the ...

opening on December 11, 2015. It saw 17 new stations constructed, with three more stations being renovated. Bridges and tunnels account for total length of . Built with a total investment of nearly 90 billion RMB, it was expected that the construction period would have a duration of six years. Total length of the project was , of which was in Guangxi Zhuang Autonomous Region, and within Yunnan Province. Starting at Nanning's Xixiangtang District the railway travels north-west through

Long'an County Long'an County (; Standard Zhuang: ) is a county of Guangxi Zhuang Autonomous Region, South China, it is under the administration of the prefecture-level city of Nanning, the capital of Guangxi. The westernmost county-level division of Nanning, it ...

to Baise's Pingguo County,

Tiandong County Tiandong County(, za, Denzdungh Yen) is a county of Guangxi, China. It is under the administration of the prefecture-level city of Baise. Demographics Tiandong's population was 411,500(2010). 85.22% of the people belong to the Zhuang ethnic gro ...

and

Tianyang County Tianyang District (; Standard Zhuang: ; Youjiang Zhuang: ) is a district in western Guangxi, China. It is under the administration of the prefecture-level city of Baise. History Tianyang County was formed in 1935 by combining Fengyi County () an ...

before reaching

urban Youjiang District itself. After this, the second phase of the route goes westward across Youjiang District into Yunnan Province's Funing County,

Guangnan County Guangnan County (; Zhuang: ) is located in Wenshan Zhuang and Miao Autonomous Prefecture, Yunnan province, China. The seat of Guangnan, known today as Liancheng (), was the heart of the Gouding Kingdom () that lasted approximately 400 years, f ...

and

Qiubei County Qiubei County () is under the administration of the Wenshan Zhuang and Miao Autonomous Prefecture, in southeast Yunnan province, China. Administrative divisions In the present, Qiubei County has 3 towns, 4 townships and 5 ethnic townships. ;3 to ...

in Wenshan. Turning north-west again, the line crosses Mile City in Honghe. Now progressing northwards, the line enters Kunming's

Shilin Yi Autonomous County Shilin Yi Autonomous County (: Sani: ) is an autonomous county, under the jurisdiction of Kunming, the capital of Yunnan province, China. Etymology Lunan Yi Autonomous County () is the former name of Shilin, and usually be called for short as ...

before cutting across

Yuxi Yuxi () is a prefecture-level city in the central part of Yunnan province of the People's Republic of China. The administrative center of Yuxi is Hongta District. Yuxi is approximately south of Kunming. Geography Yuxi is located in the center ...

Chengjiang County Chengjiang (; earlier Tchinkiang) is a city located in Yuxi, Yunnan Province, China, just north of Fuxian Lake. Administrative divisions Chengjiang City has 2 subdistricts and 4 townships. ;2 subdistricts * Fenglu () * Longjie () ;4 towns C ...

before re-entering Kunming through Yiliang County.

Chenggong District Chenggong District () is one of seven districts of the prefecture-level city of Kunming, the capital of Yunnan Province, Southwest China. The district was approved to build from the dissolution of the former ''Chenggong County'' () by the State C ...

and terminating in the Guandu District.

Nanning–Baise section

* Railroad Grade: I level * The number of main lines: Double * Limiting gradient: 12‰ * Maximum speed: 250 km/h * Minimum curve radius: Usually 5500 m, 4500 m difficult regions * Type of traction: Electrical * Rolling Stock: EMU * Traction Quality: 4000 t * Effective platform length: 650 m * Block Type: Automatic Block

Baise–Kunming section

* Railroad Grade: I level * The number of main lines: Double * Limiting gradient: Baise to Kunming 9‰, afterburner slope 18.5‰; Kunming South to Shilin Banqiao partial 23.5‰ * Maximum speed: 200 km/h (reserved 250 km/h) * Minimum curve radius: Usually 5500 m, 4500 m difficult regions * Type of traction: Electrical * Rolling Stock: EMU * Traction Quality: 4000 t * Effective platform length: Baise to Shilin Banqiao 880 m, 650 m Shilin Banqiao to Kunming South * Block Type: Automatic Block

Stations

Kunming South, Jingkai, Yangzong, Shilin West, Mile, Xinshao, Hongshiyan, Puzhehei, Zhulin, Guangnan, Bailazhai, Funing, Bo'ai, Yangwei,

, Tianyang, Tiandong North,

Pingguo Pingguo (; za, Bingzgoj Si) is a city of west-central Guangxi, China. It is the easternmost county-level division of the prefecture-level city of Baise. Two thirds of the population are Zhuang. The Pingguo Industry Park hosts an important part ...

, Long'an East, Nanning West and Nanning

References

{{DEFAULTSORT:Nanning-Kunming High-Speed Railway High-speed railway lines in China Rail transport in Guangxi Rail transport in Yunnan Standard gauge railways in China Railway lines opened in 2015