At the end of 2024, the national railway construction entered a peak period. A large number of high - speed railway corridor projects have either started construction or are about to start soon, including: Changjiu High - speed Railway, Yuwan High - speed Railway, Chengdawan High - speed Railway, North Yanjiang High - speed Railway, Xiongxin High - speed Railway, Xiongshang High - speed Railway, Jinwei High - speed Railway, Chengdu - Chongqing Central High - speed Railway, West - Chongqing High - speed Railway Ankang - Chongqing Section, Tongyong High - speed Railway, Shenzhen - Jiangshan High - speed Railway, and Xicheng Railway.

A number of provincial high - speed railway regional connection lines and high - speed railway projects are also on the verge of starting: Shenzhen - Shantou High - speed Railway, Ningbo - Zhouzhou Railway, Ping Luozhou High - speed Railway, Fuhuai High - speed Railway, Ninghuai High - speed Railway, Six Celebration Railway, Ruimei Railway, Sichuan - Columbia Railway Tianfu to Chaoyang Lake Section, Ningwu Railway Expansion and Improvement Project, Chongli to Xilinhot Railway, etc.

Based on the progress of the preliminary work of the projects, the following railways are set to start construction in 2025 (some projects were originally planned to start in 2024):

I. "Eight Vertical and Eight Horizontal" High - speed Railway Corridor Projects (with a speed of 350 km/h)

(1) Changgan High - speed Railway in [Specific Name] Corridor

● Construction Scale: The main line is 429.4 km long, with 131.8 km in Hunan Province and 297.6 km in Jiangxi Province. The estimated total investment is about 75.4 billion yuan, and the planned construction period is 4.5 years. A total of 12 stations are proposed along the whole line: Changsha West (under construction), Huanghua Airport, Liuyang, Shangli, Pingxiang North (expansion), Luxi South, Lianhua East, Yongxin South, Jinggangshan East, Suichuan, Ganzhou North, and Ganzhou West (existing).

● Latest Progress: The project feasibility study report has been approved by the National Development and Reform Commission. The preliminary design pre - review work has been completed, and the preliminary design is being revised. The whole line is expected to start construction in the first half of 2025.

(2) Weixu High - speed Railway and Qingdao Connection Line in the Beijing - Shanghai Second Corridor

● Construction Scale: The Weixu high - speed rail line is 399.03 km long, with 324.67 km in Shandong Province and 74.36 km in Jiangsu Province. The total investment of the project is about 60.4 billion yuan. There are 12 stations along the line: Weifang North (existing), Anqiu, Zhucheng West, Wulian North, Juxian North (Jiuyi), Yinan, Linyi North (existing), Lanling, Tancheng West, Xinyi East, Suqian East, and Yanghebei (over - pass station). The Qingdao connection line is 108.32 km long, with 4 stations: Yanghekou (existing), Qingdao West (existing), Zhucheng South, and Wulian North.

● Latest Progress: The study has passed the assessment of the National Development and Reform Commission and is awaiting approval. The preliminary design has been reviewed and is awaiting approval. The whole line is carrying out supplementary survey and construction supplementary survey work and is expected to start construction in the second half of 2025.

(3) Zhangshan High - speed Railway in the Coastal Corridor

● Construction Scale: The main line is 174.68 km long, with 126.60 km in Fujian Province and 48.08 km in Guangdong Province. The estimated total investment is 40.07 billion yuan, and the planned construction period is 4 years. There are 6 stations along the whole line: Zhangzhou (existing), Zhangpu (expansion), Dongshan, Zhao'an South, Rao Ping South, and Shantou, with Shantou East reserved for station - building conditions.

● Latest Progress: The National Development and Reform Commission has commissioned research and evaluation and is awaiting approval. The preliminary design has been reviewed, and the final survey and construction drawing design are being carried out. It is expected to start in the second half of 2025.

(4) Hewu High - speed Railway in the Yangtze River Corridor

● Construction Scale: The Hefei - Wuhan section of the Shanghai - Chongqing - Rongshan high - speed railway has a total length of 368.3 km, with a new line of 330.2 km. The Anhui section is 167 km, and the Hubei section is 163.2 km. The estimated total investment is 97.97 billion yuan. There are 8 stations along the line: Hefei South, Lu'an North, Jinzhai East, Nanxi, Macheng North, Hong'an, Yangtze River New Area, and Wuhan Tianhe.

● Latest Progress: The study has passed the assessment of the National Development and Reform Commission and is awaiting approval. The preliminary design final - test work is being carried out. The control project is expected to start in the first half of 2025, and the whole line is expected to start in the second half of 2025.

(5) Yuyi High - speed Railway in the Yangtze River Channel

● Construction Scale: The main line is 484.72 km long, with 325.76 km in Hubei Province and 158.96 km in Chongqing. The construction period is 6 years. A total of 11 stations are proposed along the whole line, including Changyang East, Wufeng, Houhe, Hefeng, Muluri (transiting), Enshi South, Lichuan West, Shazi (existing), Shizhu East, Fengdu (existing), and Fuling North. The project has passed the feasibility study and is expected to be completed in the near future.

● Latest Progress: The project has passed the feasibility study review, is accelerating the feasibility study and construction review, and is simultaneously promoting the preliminary design approval and site design and testing. It is expected to start before the end of 2025.

(6) Yanyu'e High - speed Railway in the Baoyinhai Channel

● Construction Scale: The new main line is 389.84 km long, with 336.54 km in Shaanxi Province and 53.3 km in the Inner Mongolia Autonomous Region. The total investment is about 63.8 billion yuan, and the construction period is 4.5 years. A total of 9 stations are proposed along the whole line: Yan'an, Yan'an New District, Yanchuan, Qingjian North, Suide West, Miri North, Yulin South, Shenmu West, and Ordos.

● Latest Progress: It has entered the final - test and preliminary design stage, is accelerating the research and preliminary design approval of relevant preliminaries, and is expected to start construction by the end of 2025.

(7) Shaoyong High - speed Railway in Hunan

● Construction Scale: The total length is 96.14 km, and the design speed is 350 km/h. There are 3 stations along the whole line: Shaoyang (existing), Shaoyang County, and Yongzhou (expansion).

● Latest Progress: The project feasibility study has been reported to the National Railway Group for approval. Currently, the relevant work for preliminary design approval is being accelerated, and it is expected to officially start construction in the second half of 2025.

II. Intra - provincial and Inter - provincial High - speed Railway Projects

(1) Yanyi High - speed Railway (Jiangsu)

● Construction Scale: The main line is 311.34 km long, with a design speed of 300 km/h (the section from Jingjiang East to Taihu West is 250 km/h). The total planned construction period is 4 years, and the total estimated investment of the project is 78.13 billion yuan. There are 11 stations along the whole line: Yancheng, Xinghua East, Taizhou South, Taixing East, Jingjiang East, Jiangyin, Huishan, Taihu West, Qianhuang, Yixing West (reserved), and Yixing.

● Latest Progress: Currently, it is advancing the preliminary work related to feasibility study and preliminary design approval in sections. The feasibility study report has obtained the consulting report of the Identification Center of the National Railway Group, and the project environmental assessment report will be approved soon.

(2) Ningxuan and Zhenma High - speed Railways (Jiangsu, Anhui)

● Ningxuan High - speed Railway: The total length of the Ningxuan line is 169 km, with 127 km in Jiangsu Province and 42 km in Anhui Province. The recommended speed is 350 km/h. A total of stations such as Nanjing, Lukou Airport, Lishui West, Gaochun, and Xuancheng are proposed along the whole line. The project has recently passed the review of the feasibility study of the National Railway Group.

● Zhenma High - speed Railway: The total length of the Zhenjiang - Maanshan section of the Yangma Intercity Railway is about 120.3 km, with 97.8 km in Jiangsu Province and 22.5 km in Anhui Province. The design speed target value is 250 km/h (with conditions reserved for speeding up). A total of stations such as Zhenjiang East, Jurong, Lukou Airport, Bowang North, and Maanshan South are proposed along the whole line. The feasibility study of the Anhui section has been recently approved.

● Latest Progress: These two projects are being promoted in the provinces for approval of the study and preliminary design and are expected to start construction by the end of 2025.

(3) Miansui High - speed Railway (Sichuan)

● Construction Scale: The new line length of the Mianyang - Suining section of the Miansui - Intercity Railway is 137.46 km. The total project investment is 35.198 billion yuan, and the design speed target value is 250 km/h (with conditions reserved for speeding up). There are 6 stations in total: Mianyang (existing), Mianyang South, Luxi Town, Santai, Shehong, and Suining Gaoxin.

● Latest Progress: The project feasibility study has passed the assessment and will be approved soon. The construction is expected to start formally in the second half of next year.

(4) Guangdong Section of Nanshen High - speed Railway

● Construction Scale: The section from the Pearl River Delta Hub Airport to the provincial boundary of the Nanshen High - speed Railway is the last section of the whole line that has not started construction. The total length of the main line is 142.10 km, the total estimated project investment is 28.97 billion yuan, and the total construction period is 4 years. The design speed is 350 km/h, and two new stations are set up along the whole line: Yunfu Station and Luoding North Station.

● Latest Progress: The preliminary design consulting review has been completed, the study is about to be approved, and it is expected to officially start construction in the first half of next year.

(5) Henan Section of South Xinhe High - speed Railway

● Construction Scale: The new main line is about 364.92 km long, and the speed is 350 km/h. A total of 10 stations are proposed along the whole line: Nanyang East, Tang Hebei, Uyang, Tongbai North, Xinyang East, Luoshan, Xixian South, Decheon South, Mall North, and Gushi South.

● Latest Progress: It is promoting the initial survey, research and preliminary design, and preliminary survey and other related preliminary work, and is expected to start construction by the end of December 2025.

III. High - speed Railway Projects

(1) Huangbucket - Baise Railway (Guizhou, Guangxi)

● Construction Scale: For the western land - sea new corridor project, the operating length from Huangbucket Station to Baise Station is 315.10 km. It is a national railway Class I, single - line, passenger - and - freight railway with a speed of 160 km/h. The total construction period is 5 years, and the total investment is about 33.4 billion yuan.

● Latest Progress: The project study is awaiting approval. It is accelerating the preliminary design approval and construction drawing design and is expected to start construction in the first half of 2025.

(2) Zhongwei - Pingliang - Qingyang Railway (Ningxia, Gansu)

● Construction Scale: It is divided into the Zhongwei - Pingliang railway expansion and renovation project and the new Pingliang - Qingyang Railway. It is a national railway Class I, double - line, passenger - and - freight railway with a speed of 160 km/h and the conditions for running a concentrated - type rolling stock. The new length of the Pingliang - Qingyang section is 83.6 km, and the total estimated budget is 14.242 billion yuan. The planned construction period is 4.5 years.

● Latest Progress: It is accelerating the work related to the report on the study and preliminary design approval. It is expected that the Pingqing section will start construction in the first half of 2025.

(3) Wenshan - Mengzi Railway (Yunnan)

● Construction Scale: It is an important part of the Yunnan - Guizhou railway along the border, a national railway Class I, double - line, passenger - and - freight railway with a speed of 160 km/h. The line length is 114.41 km, and the total investment is about 15.9 billion yuan. The total construction period is 4.5 years.

● Latest Progress: Currently, the feasibility study report is awaiting approval. It is accelerating the preliminary design and construction drawing design related work and is expected to start construction in the first half of 2025.

(4) Lobo - Ruoqiang Railway (Xinjiang)

● Construction Scale: The project is a national medium - and long - term and "14th Five - Year Plan" railway network planning project. The line length is 236 km, the railway grade is national railway Class I, and the design speed is 120 km/h.

● Latest Progress: The feasibility study has passed the review of the National Railway Group. It is expected to speed up the preliminary design and construction drawing design work, and is simultaneously promoting the preliminary design final - test work. It is expected to start construction in the first half of 2025.

IV. Others

Provinces and municipalities are striving to start projects. The preliminary work of the feasibility study has reached a certain depth, but the progress this year is not obvious. For example, whether projects such as the Wuhan Hub Through Line, Hezhan High - speed Railway, Dali - Panzhihua Railway, Tongling - Jiande Railway, Xianhong Supervisory Railway, and Yining - Aksu Railway can start in 2025 remains to be seen.

For other main - line railway projects such as the Jiao - Luoping section of the Huanan High - speed Railway and the Wuwei - Zhangye section of the Lanzhou - Zhangye Third and Fourth Lines, the preliminary work progress is accelerating, and it is expected to reach the official start - up conditions within 2025.