央视网消息：2月19日是大年初三，当家家户户沉浸在马年新春的团圆喜庆中时，不少人还是坚守在岗位上。渝厦高铁是国家"八纵八横"高速 铁路网重要组成部分，重庆境内仅剩重庆站至重庆东站段还未通车。春节期间，全线控制性工程——重庆菜园坝长江铁路隧道的建设者为项目 按期完工坚守岗位。 在重庆菜园坝长江铁路隧道施工现场，机器轰鸣，运输车辆往来穿梭。老家在湖北省巴东县的斜井工班长张雪飞，一大早就和工友们一起来到 现场开始作业。 重黔铁路站前2标项目工班长张雪飞表示，春节长假虽然不能回家过节，内心稍有遗憾，但想到这条隧道早一天贯通，高铁就能早一天惠及沿 线百姓，他们所有的付出都特别值得。 重庆菜园坝长江铁路隧道位于重庆市渝中区、南岸区交界处。项目为正线单洞双线隧道，全长11942米，采用矿山法与盾构法分段施工。目 前，盾构段已贯通，矿山段剩余46米。 春节期间坚守岗位 戍边民警守护祖国边境 巡边队伍出发不久就遇到麻烦，由于气温回升，路上积雪也在不断融化，看似平坦的雪地上实则十分难行。除了正在融化的覆雪路段，巡边路 上，还要克服高寒缺氧。边境巡护线路短则十多公里，长则30公里，因海拔较高含氧量只有平原地区的60%左右，每走一段 ...

Group 1 - The West-to-East Gas Transmission Project's third line, specifically the segment from Zhongwei to Zhaoyang, has officially commenced operations, enhancing natural gas supply capabilities in China's central and eastern regions [1] - The newly operational segment is 1,235 kilometers long, with a designed pressure of 10 MPa and a diameter of 1,219 mm, capable of transporting 25 billion cubic meters of gas annually [1] - This project connects existing gas pipeline systems, expanding the gas supply network to key economic regions such as the Yangtze River Delta, Pearl River Delta, Bohai Rim, and Sichuan-Chongqing area, thereby optimizing energy distribution and supporting regional economic growth [1] Group 2 - The Chongqing Caiyuanba Yangtze River Tunnel for the Yuxia High-Speed Railway has successfully completed its shield tunneling section, marking a significant milestone for the project's timely completion [2] - The tunnel is a critical control project for the Yuxia High-Speed Railway, featuring a total length of 11,942 meters, with the shield tunneling section measuring 3,845 meters [2] - This project is notable for being the first high-speed railway large-diameter shield project in China to complete the entire process of shield machine assembly, initiation, reception, and disassembly underground, addressing significant technical challenges [5] Group 3 - The successful rotation of the bridge on the Huhuo Railway's He-Wu section was completed, demonstrating advanced engineering capabilities [6] - The bridge spans 97.1 meters and weighs 6,000 tons, with construction occurring in close proximity to an operational railway, presenting high safety risks and technical challenges [8] - Once completed, the Huhuo Railway's He-Wu section will reduce travel time between Wuhan and Hefei from 2 hours to 1 hour, enhancing the railway network in the Yangtze River Economic Belt [8]

Core Viewpoint - The successful completion of the shield tunneling section of the Chongqing Caiyuanba Yangtze River Railway Tunnel marks a significant milestone in the construction of the Yuxia High-Speed Railway, which is a critical project for the region [2]. Group 1 - The Chongqing Caiyuanba Yangtze River Railway Tunnel is a key control project for the Yuxia High-Speed Railway, located between Yuzhong District and Nan'an District in Chongqing [2]. - The tunnel is designed as a single-bore double-track high-speed railway tunnel, with a total length of 11,942 meters [2].

Core Points - The article highlights the significance of both the "slow train" and the high-speed rail in enhancing transportation options for local villagers and tourists in the Wuling Mountain area, particularly in Chongqing's Wulong District [1][2][6] Group 1: Transportation Impact - The "slow train" service has been crucial for local villagers, enabling them to sell agricultural products and access urban areas more easily, thus fostering local economic activities [1][2] - The upcoming opening of the Yuxia High-Speed Railway in June 2025 is expected to further enhance travel efficiency and attract more tourists to the region, marking a new era for the southeastern Chongqing area [2][5] - The combination of high-speed and slow train services provides diverse travel options, catering to different passenger needs and preferences [2][6] Group 2: Local Economy and Community - The introduction of the railway services has led to a surge in local agricultural production and sales, with villagers like Ran Guixiang actively participating in the market [1][2] - The "slow train" has become a vital link for villagers, reducing travel time significantly compared to previous methods that involved multiple transfers [2][5] - The presence of foreign tourists has increased, indicating a growing interest in the region's natural beauty and cultural offerings, which is supported by improved transportation infrastructure [5][6]

Core Viewpoint - The opening of the Chongqing East to Qianjiang section of the Yuxia High-speed Railway marks a significant advancement in connectivity between inland and coastal regions, reducing travel time between Chongqing and Changsha to as little as 3 hours and 53 minutes, thus redefining the "time distance" between cities [1][4]. Group 1: High-speed Railway Details - The newly opened section spans 242 kilometers with a design speed of 350 kilometers per hour, featuring seven stations including Chongqing East and Qianjiang [2]. - The travel time from Chongqing East to Qianjiang is now as short as 61 minutes, enhancing accessibility to the region [2]. Group 2: Economic and Cultural Impact - The high-speed railway is expected to boost tourism in the Qianjiang area, with local officials planning to integrate cultural and tourism development alongside the railway [2]. - The railway connects various provinces and cities, forming a crucial part of the national high-speed rail network, which is anticipated to facilitate efficient passenger transport between inland and coastal areas [4]. Group 3: Infrastructure Development - The Chongqing East Station, the largest high-speed rail hub in the western region, is designed to enhance transportation efficiency with advanced smart systems and features [6]. - The station includes 29 arrival and departure tracks and 28 platforms, supporting multiple transportation functions and promoting local specialties [6]. Group 4: Broader Implications - The opening of this high-speed railway section is seen as an "accelerator" for the western region's openness and factor circulation, providing new pathways for coastal areas to expand into inland markets [10]. - The railway's development is viewed as a significant step in China's regional collaborative development strategy, enhancing connectivity and economic integration [10].