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Rail Transit Exhibition News Major projects are the "ballast stone" to stabilize the economy and the "strong engine" to promote high-quality development. On November 11, the high-profile first maglev urban (suburban) railway in the country and the first urban rail line in the province - Changsha to Liuyang maglev express line project officially started, marking a new breakthrough in the urban pattern of "one body and two wings" in Changsha, ushering in new opportunities for the economic and social development of Liuyang City, and injecting new momentum into the integrated construction of Changsha-Zhuzhou-Zhuzhou-Tan. At the start of construction, Wu Guiying, member of the Standing Committee of the Provincial Party Committee and Secretary of the Municipal Party Committee, announced the start of the project.
Zhang Jianfei, deputy secretary and deputy director of the Standing Committee of the Provincial People's Congress and head of the maglev transportation industry chain, attended the event, Zhou Haibing, vice governor of the provincial government, deputy secretary of the municipal party committee and mayor, delivered a speech, Xiao Zhengbo, member of the Standing Committee of the municipal party committee and secretary of the Liuyang Municipal Party Committee, and Zhou Zhikai, deputy mayor of the municipal government, presided over the event。 Zou Te, member of the Standing Committee of the Municipal Party Committee and Secretary-General of the Municipal Party Committee, Xu Fan, Secretary-General of the Municipal Government, the Municipal Party Committee Office, the Municipal Development and Reform Commission, the Municipal Bureau of Industry and Information Technology, the Municipal Finance Bureau, the Municipal Natural Resources Planning Bureau, the Municipal Housing and Urban-Rural Development Bureau, the Municipal Transportation Bureau, the Municipal State-owned Assets Supervision and Administration Commission and other functional departments, Changsha County, Liuyang City, China Construction Fifth Bureau, Hydropower Eighth Bureau, Hunan Construction Investment, Changsha Railway and other units responsible comrades witnessed the start of the project with the majority of builders. 
The Changliu Express Line adopts one-time planning and sectional implementation. The total length of the line is 48.73km, starting from the T3 terminal of Huanghua Airport and ending at Liuyang Guankou Station. The first phase of the construction of the section from Huanghua Airport to Jili, which leads from the T3 terminal at the end of the Changsha Maglev East Extension Line, is laid along Xinhe South Road, Jincheng Avenue and Liuyong Highway, during which it needs to cross the runway under construction of Huanghua Airport and cross the Hangzhou-Changzhou and Wuhan-Shenzhen Expressway. The first phase of the construction line is 39.52km long, with a total investment of about 10.44 billion yuan, 7 new stations, all of which are elevated stations, 3 elevated stations reserved for civil engineering, 2 elevated stations planned to be reserved, and an average station spacing of 3.95km, and a new Jiaoxi vehicle base.
After the completion of the Changliu Express, it will be connected with the Changsha Maglev Express, connecting Changsha, Jinyang New Town and Liuyang main urban areas, and directly connecting the two major hubs of Huanghua Airport and South High-speed Railway Station. At that time, Liuyang and Huanghua airports can be reached in 30 minutes, and the main urban area can be reached in 1 hour, the spatial distance between the two places will be greatly shortened, economic and cultural exchanges will be greatly promoted, and citizens will travel more conveniently. The radiation and influence of Changsha as a provincial capital city will be further enhanced, and Liuyang will also be officially connected to the Changsha rail transit network and the Changsha-Zhuzhou-Tan multi-level rail transit circle, which will greatly promote the integrated development of Liuyang and Changsha. The construction of the Changliu Express Line, a comprehensive transportation corridor, is of great significance to promote the coordinated development of regional economy, promote the integrated construction of Changsha-Zhuzhou-Zhuhai-Tan, and expand the urban space and urban planning of Changsha.
As the approved line of the "Changsha-Zhuzhou-Zhuzhou-Tan Metropolitan Area Multi-level Rail Transit Planning", the Changsha-Zhuzhou-Zhuzhou-Zhu Accelerate the cultivation of the maglev transportation industry into an important new growth point of the modern industrial system of our province, and build a demonstration and leading line for Hunan maglev to the whole country and even the world. Compared with the traditional rail transit system and the completed maglev line, the Changliu Express Line has formed four major advantages: wider application, higher speed, lower investment and more flexible operation through a series of technical breakthroughs such as improving the capacity of the maglev traction system, improving the stability of the suspension and receiving the current at high speed.
As the country's first maglev urban (suburban) railway, the Changliu Express Line takes advantage of the advantages of fast maglev climbing ability, small curve radius, low vibration and low noise, which makes the route selection more flexible, which can not only reduce the proportion of underground lines but also avoid the impact of elevated laying along the line, further reduce engineering investment and expand maglev application scenarios. With a design speed of 160 kilometers per hour, the Changliu Express Line is currently the world's highest design speed of the constant conductance short stator fast maglev line. With the continuous development and accumulation of maglev industry and technology in the province, a variety of technical problems have been overcome one after another, and the commercial operation of the fast maglev train with a speed of 160km/h will once again polish the business card of maglev in Hunan Province. At the same time, in order to continue to promote the update and iteration of maglev technology, occupy the technological highland, and lead the development of the industry, the line reserves 200km/h test conditions in the future. In order to further improve the operation speed of fast maglev and apply it to larger space application scenarios such as intercity, the scientific research foundation is reserved. The Changliu Express Line is a demonstration line for reducing the cost and increasing the efficiency of maglev project construction, and has carried out systematic cost reduction research by streamlining the scale of civil engineering, reasonable resource sharing and phased construction, and reducing system design redundancy, etc., and the estimated project budget after optimization is about 2 billion yuan less than the estimated investment of the feasibility study, a decrease of 16.3%. This provides an important reference for the scale control and quota design of subsequent new projects, and further highlights the competitive advantages of the maglev system. In order to realize the rapid access between important stations, the Changliu Express Line will adopt the public transportation operation mode of "station stop + big station stop", taking into account the rapid access and coverage along the line. In the mode of express train at the big station, Liuyang City to Liuyang Economic Development Zone, Huanghua Airport, and Changsha South High-speed Railway Station can achieve 11 minutes, 25 minutes, and 43 minutes respectively, and the traffic speed will be greatly improved.
Hunan Province is an important birthplace of the national maglev transportation industry and the source of rapid maglev technology, from the country's first medium and low-speed maglev with completely independent intellectual property rights - Changsha Maglev to the world's first maglev tourism line - Phoenix Maglev, the mileage of the built maglev accounts for 60% of the country, and the commercial operation is leading in the country. In addition, our province also has many leading advantages in the field of maglev industry: the full set of fast maglev technology is unique in the country. Our province is the only province in the country that has mastered the full set of technology of rapid maglev transportation equipment, and the 10 core systems have achieved complete autonomy in equipment production; The supply of key core systems is unique in the country. The technology of our province has been fully applied to 4 rapid maglev projects in China, and the matching rate of Changsha maglev and Phoenix maglev equipment in the province exceeds 80%. The key core technologies and high-end equipment such as traction power supply and suspension guidance control in the field of high-speed maglev in China are all from Hunan; The industrial ecological chain is leading in the country. The National Defense University of Science and Technology and CRRC Zhuzhou have leading advantages in technology research and development, and key enterprises such as CRRC Zhuji and CRRC Motor and more than 200 supporting enterprises have woven a huge "made in Hunan" core equipment network; The industrial chain of maglev transportation is long. Closely promote the development of electromagnetic, information and communication, computer software and hardware, manufacturing, rolling stock, transportation engineering, civil engineering, testing, training and other related industries, and guide the formation of industrial clusters.
From the initial model of the test site to the maglev dance of the land of Sanxiang, behind this is the provincial party committee, the provincial government, the municipal party committee and the municipal government to seize the development opportunity and win the strategic initiative. A series of policies and measures, such as the Implementation Plan for Accelerating the Development of the Maglev Transportation Industry in Hunan Province and the Key Work Plan for the Development of the Maglev Transportation Industry in Hunan Province in 2024, have been introduced to raise the banner for the vigorous development of the maglev industry and escort it. The maglev industry can blow Sanxiang like a strong east wind, and its root is the vivid practice of deep integration and coordinated operations of the whole industrial chain. From the source of scientific research and innovation to the precision forging of equipment manufacturing; From the ingenuity of the project construction to the fine care of the operation and management, every link embodies the brainchild of more than 40 years of hard work and struggle of several generations of maglev people, and they are also like gears that are precisely occluded, jointly driving the steady progress of the maglev industry ecological chain.
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