Core Insights - The article emphasizes the significant progress in China's transportation infrastructure during the "14th Five-Year Plan" period, with over 90% completion of the national comprehensive three-dimensional transportation network, enhancing transportation capacity, service quality, and operational efficiency [1][2]. Group 1: Infrastructure Development - The construction of the Pinglu Canal is a key project aimed at creating a major transportation corridor for the southwestern region, facilitating a river-sea intermodal transport route [2]. - The Changtai Yangtze River Bridge, integrating highways and railways, will reduce travel time between Changzhou and Taizhou to approximately 20 minutes [2]. - The Tianshan Victory Tunnel, the world's longest highway tunnel, will cut travel time from Urumqi to Korla from 7 hours to about 3 hours [2]. - The Shenyang-Ji'an high-speed railway segment will reduce travel time to Changbai Mountain to around 1.5 hours, achieving high-speed rail connectivity across Liaoning province [2]. Group 2: Transportation Accessibility - Over 30,000 towns and more than 500,000 administrative villages in China now have paved roads, with rural road quality rates reaching 97.3% for graded roads and 94.8% for good and medium roads [5]. - Approximately 1 billion people use public transportation daily, showcasing the transportation system's capacity and resilience [5]. - Daily freight transport is projected to reach 1.6 billion tons, with express delivery volumes at 478 million packages, reflecting the efficiency of goods movement [5]. Group 3: Cross-Border Connectivity - The China-Laos Railway has significantly boosted cross-border travel, with 146,000 passengers processed at the Mohan railway port in the first seven months of the year, marking a 10% increase year-on-year [6]. - Major international projects, such as the China-Russia Heihe Highway Bridge and the Peru Chancay Port, have been completed, enhancing global connectivity [7]. Group 4: Future Plans and Goals - The Ministry of Transport aims to accelerate the construction of a strong transportation nation, focusing on integrated transportation, safety enhancements, smart upgrades, and green transformations [8].

工人装吊智能取土机器人。 中铁大桥局供图 工人调试钢梁架设吊机走行部件。 中铁大桥局供图 施工中的常泰长江大桥全景。 江苏省交通工程建设局供图 近日，世界最大跨度斜拉桥——常泰长江大桥正在进行交工前的各项检测工作，预计8月基本建成。"届 时，江苏常州与泰州之间通行时间将从1小时20分钟缩短至20分钟左右，进一步推动跨江城市群协调发 展。"江苏省交通工程建设局常泰长江大桥建设指挥部现场指挥长李镇说。 自2019年10月开工建设以来，大桥参建单位不断创新、攻坚克难。从江底沉井的智能取土到云端桥塔的 钢筋"搭积木"，再到一气呵成的精细化桥面铺装，建设者们以一项项自主创新不断攻克世界级难题。 常泰长江大桥参建单位——中交二航局的工程师们结合以往施工经验，创新工艺方案，沿着"钢筋片体 —块体—部品"的实施路径研制出新型钢筋片体柔性制造生产线，用于钢筋片体和钢筋块体生产。 中交二航局常泰长江大桥项目部常务副经理王辉介绍："新型生产线集成了无人自适应布料、机器视觉 寻点焊接、倾角同步调整、机器人空间寻点焊接等流程，实现了钢筋片体自动化生产和块体机械化成 型，成型的片体精度能达到毫米级，片体和块体的生产效率均可以达到每小时8 ...

Core Points - The Changtai Yangtze River Bridge is undergoing load testing and is recognized as the world's largest span cable-stayed bridge, connecting Changzhou and Taizhou [1] - It is the first dual-layer composite bridge on the Yangtze River, integrating three functions: expressway, intercity railway, and ordinary road [1] - The bridge is part of a broader infrastructure development plan, with the Jiangsu section of the Yangtze River expected to have 41 crossing channels by 2035, significantly improving connectivity [7] Group 1 - The Changtai Yangtze River Bridge is a significant engineering achievement, marking a milestone in bridge construction in China [1] - The bridge will reduce travel time between Changzhou and Taizhou from 1 hour and 20 minutes to just 20 minutes, enhancing accessibility for residents and visitors [9] - The bridge is expected to facilitate economic activities and tourism, as evidenced by the popularity of the "Su Super" football league, which has seen increased attendance due to improved transportation [8] Group 2 - The historical context of the Nanjing Yangtze River Bridge is highlighted, showcasing its importance in Chinese infrastructure and its role in inspiring local communities [5][6] - The development of multiple bridges across the Yangtze River has transformed the region, making it easier for cities to connect and fostering economic growth [8] - The ongoing infrastructure projects, including the Changtai Bridge, reflect Jiangsu's commitment to enhancing regional connectivity and supporting local economies [7]

Core Viewpoint - The article highlights China's rapid advancements in bridge construction, projecting that by 2030, it will achieve significant milestones including the world's longest suspension bridge and the highest bridge, redefining civil engineering limits [1][2]. Group 1: Achievements in Bridge Construction - By 2030, China is expected to have the world's longest suspension bridge, the highest bridge, and various record-breaking cable-stayed bridges [1]. - The Changtai Yangtze River Bridge, set to open this year, will become the world's largest cable-stayed bridge with a main span of 1208 meters, surpassing the current record of 1104 meters held by the Russky Island Bridge [2][4]. - The Zhangjingao Yangtze River Bridge, scheduled for completion in 2028, will feature a main span of 2300 meters, making it the world's largest suspension bridge [4][6]. Group 2: Innovative Engineering Techniques - Advanced surveying methods, modeling, and engineering technologies, including breakthroughs in material science, are driving China's bridge construction [1]. - The rapid development of artificial intelligence (AI) and the use of automated construction equipment are expected to enhance safety and efficiency in bridge building [1]. Group 3: Notable Bridge Projects - The Danqing Grand Bridge, measuring 164.8 kilometers, holds the Guinness World Record for the longest bridge [9][11]. - The Xiyuanmen Railway and Highway Bridge in Zhejiang will become the world's largest combined rail and road bridge upon completion [12]. - The Tian'e Longtan Grand Bridge in Guangxi is currently the largest arch bridge in the world, with a main span of 600 meters, surpassing the previous record by 155 meters [13][15]. Group 4: Future Prospects - The Lion's Ocean Bridge in Guangdong is expected to become the world's first double-deck suspension bridge exceeding 2000 meters in main span [18]. - The Guanyinsi Yangtze River Bridge in Hubei is projected to become the second-largest cable-stayed bridge upon its completion in 2026 [21][22]. - The Hong Kong-Zhuhai-Macao Bridge, completed in 2018, is the longest sea-crossing bridge globally, significantly reducing travel time between the regions [22][24].

Core Viewpoint - The Changtai Yangtze River Bridge, the world's largest span steel truss cable-stayed bridge, is nearing completion with plans to finish remaining engineering and construction work by the end of May 2023 [1] Group 1: Project Status - The bridge construction has entered the final stages, with remaining tasks including electromechanical and building works [1] - Subsequent activities will involve system integration testing, dynamic and static load testing, and project acceptance inspections [1] Group 2: Innovations and Achievements - During the design and construction phases, the project has achieved multiple scientific breakthroughs, resulting in "four world firsts" and setting "six world records" [1] - The bridge will be the first crossing of the Yangtze River to integrate high-speed rail, intercity rail, and regular roadways [1] Group 3: Future Plans - The bridge is scheduled for completion in 2025 [1]

Group 1: Infrastructure Investment - In the first quarter, Jiangsu province completed a total transportation fixed asset investment of 564.3 billion yuan, representing a year-on-year increase of 5.8%, which accounts for 24.5% of the annual investment plan, marking the highest level for the same period in history [1] - The Changtai Yangtze River Bridge, a major project, completed an investment of 1.1 billion yuan in the first quarter, which is 60% of its annual investment plan [2] - The Zhangjinggao Yangtze River Bridge achieved an investment of 7.34 million yuan in the first quarter, with construction progressing rapidly through technological innovation [3] Group 2: Tunnel and Bridge Construction - The Jiangyin-Jingjiang Yangtze River Tunnel, currently the highest water pressure shield tunnel in China, completed its shield tunneling and is advancing with the construction of the main structure [3] - The Haitai Yangtze River Tunnel is progressing with the right line shield machine completing 81 rings of advancement, while the left line assembly is 40% complete [3] - The expansion of the Jiangsu highway network is underway, with significant progress in the Changshen, Huwu, Xiyi, and Yangli highways, with over 10 billion yuan invested in the first quarter [4][5] Group 3: Railway Development - The North Jiangsu High-Speed Railway construction is progressing, with the main tower of the bridge surpassing 100 meters in height [6] - The Nanjing metropolitan area intercity railway construction is also advancing, with various structural components nearing completion [6] - In the first quarter, the railway projects in Jiangsu achieved multiple milestones, with the Nanjing-Huai'an intercity railway and the North Jiangsu High-Speed Railway showing significant progress [7]