Nanning–Kunming high-speed railway (formerly known as the Yunnan–Guangxi high-speed railway) is a high-speed railway connecting

Nanning Nanning; is the capital of the Guangxi, Guangxi Zhuang Autonomous Region in South China, southern China. It is known as the "Green City (绿城) " because of its abundance of lush subtropical foliage. Located in the South of Guangxi, Nanning ...

and

Kunming Kunming is the capital and largest city of the province of Yunnan in China. The political, economic, communications and cultural centre of the province, Kunming is also the seat of the provincial government. During World War II, Kunming was a Ch ...

, respectively the capitals of the

Guangxi Zhuang Autonomous Region Guangxi,; officially the Guangxi Zhuang Autonomous Region, is an autonomous region of the People's Republic of China, located in South China and bordering Vietnam ( Hà Giang, Cao Bằng, Lạng Sơn, and Quảng Ninh Provinces) and the ...

and

Yunnan Province Yunnan; is an inland Provinces of China, province in Southwestern China. The province spans approximately and has a population of 47.2 million (as of 2020). The capital of the province is Kunming. The province borders the Chinese provinces ...

. 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 Laos, officially the Lao People's Democratic Republic (LPDR), is the only landlocked country in Southeast Asia. It is bordered by Myanmar and China to the northwest, Vietnam to the east, Cambodia to the southeast, and Thailand to the west and ...

Thailand Thailand, officially the Kingdom of Thailand and historically known as Siam (the official name until 1939), is a country in Southeast Asia on the Mainland Southeast Asia, Indochinese Peninsula. With a population of almost 66 million, it spa ...

and

Vietnam Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...

planned or under construction, this railway will be seen as a crucial link between the economic powerhouse of the Pearl River Delta Economic Zone and

Indochina Mainland Southeast Asia (historically known as Indochina and the Indochinese Peninsula) 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 th ...

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 ( zh, c=百色, p=Bǎisè, Bósè; 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 wh ...

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

's Xixiangtang District the railway travels north-west through Long'an County to Baise's Pingguo County,

Tiandong County Tiandong County (, ) 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 group, and speak Y ...

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 languages, 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 approximat ...

and Qiubei County 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 before cutting across

Yuxi Yuxi ( zh, c=玉溪, p=Yùxī) 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 i ...

's Chengjiang County before re-entering Kunming through Yiliang County. Chenggong District 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 The mile, sometimes the international mile or statute mile to distinguish it from other miles, is a imperial unit, British imperial unit and United States customary unit of length; both are based on the older English unit of Unit of length, le ...

, Xinshao, Hongshiyan, Puzhehei, Zhulin, Guangnan, Bailazhai, Funing, Bo'ai, Yangwei,

, Tianyang, Tiandong North, Pingguo, Long'an East, Nanning West and

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