汕汕高铁由中国铁路设计集团有限公司工程总承包。其中，由中铁十四局承建的全线控制性工程汕头湾 海底隧道是世界首条时速350公里单洞双线高铁海底隧道。隧道全长9781米，最深处距离海面98.5米， 穿越8度高烈度地震区内的17条断层破碎带，地质构造及水文地质条件复杂，设计与建设难度堪称"工程 教科书"，被誉为目前在建难度最高的隧道之一。 汕汕高铁汕头至汕头南段建成通车后，最高时速按350公里运营。开通运营初期，每日开行动车组列车 最高达50列，原广州东、深圳北等车站至汕头南的48列动车组全部延长至汕头站终到，新增广州至汕头 2列。广州东至汕头最快1小时52分可达，深圳至汕头最快1小时39分可达，粤港澳大湾区与粤东经济特 区的时空距离进一步压缩，为区域经济社会高质量发展提供有力支撑。 （文章来源：新华社） 22日，汕汕高铁汕头至汕头南段建成通车，标志着汕汕高铁实现全线贯通运营。 作为国家"八纵八横"高速铁路网沿海通道甬广高铁的关键一环，汕汕高铁正线全长162公里，设计时速 350公里，途经汕头、揭阳、汕尾三市8个区县，串联起汕头南、潮南、惠来、陆丰东等7座车站，两端 分别接入汕尾站和汕头站，通过广汕高铁连通广州中心 ...

"此次开通，就像一把钥匙打开了汕头对接大湾区的'快速通道'。"汕头站党总支书记李烁说道。 据悉，汕汕高铁汕头至汕头南段今日通车后，汕头站将实施过渡期列车运行图至2026年1月25日。 新图实施后，汕头站列车开行数量实现显著增长，从四季度图定开行的55.5对提升至80.5对，增幅达 45%。 值得关注的是，汕头站首次开行标杆列车，实现一站直达广州、深圳地区。最快不到一个半小时到广州 新塘、深圳站，较现有列车开行方案缩短了近1个小时。 【深圳商报讯】(驻穗记者张莹)记者从中国铁路广州局集团有限公司(以下简称国铁广州局)获悉，汕汕 高铁汕头至汕头南段12月22日建成通车。深圳—汕头最快1小时39分可达，广州—汕头最快1小时50分钟 可达，粤港澳大湾区与粤东地区的时空距离进一步缩短。 作为国家"八纵八横"高速铁路网沿海通道甬广高铁的关键一环，汕汕高铁正线全长162公里，设计时速 350公里，宛如银龙穿梭粤东大地，途经汕头、揭阳、汕尾三市8个区县，串联起汕头南、潮南、惠来、 陆丰东等7座车站，两端分别接入汕尾站和汕头站，通过广汕高铁连通广州中心城区。 其中，汕尾至汕头南段已于2023年12月开通运营。 即将开通的汕头至 ...

Core Viewpoint - The successful completion of the track laying for the Xiong-Shang section of the Beijing-Hong Kong High-Speed Railway marks a significant milestone, ensuring the line will open on schedule and strengthen the high-speed rail network in China [1] Group 1: Project Overview - The Xiong-Shang section of the Beijing-Hong Kong High-Speed Railway spans 552 kilometers, with a designed speed of 350 kilometers per hour, and construction began in October 2022 [1] - This section connects key cities including Xiong'an, Cangzhou, Hengshui, Xingtai, Liaocheng, Jining, Heze, and Shangqiu, forming an important part of China's "eight vertical and eight horizontal" high-speed rail network [1] Group 2: Strategic Importance - The completion of the Xiong-Shang section will enhance the connectivity of the Beijing-Tianjin-Hebei rail transit network, supporting the national strategy for coordinated development in the Beijing-Tianjin-Hebei region [1] - The line will also facilitate the construction of the Xiong'an New Area and promote economic and social development along the route [1] Group 3: Connectivity - The Xiong-Shang section has achieved interoperability with the Shijiazhuang-Jinan Passenger Dedicated Line, allowing trains from this section to transfer at Hengshui North Station [1]

包银高铁起自包头站，经内蒙古自治区包头市、巴彦淖尔市、鄂尔多斯市、乌海市，宁夏回族自治区石 嘴山市、银川市，接入银川站，正线全长519公里，设计时速250公里，沿途共设13座车站。开通运营初 期，计划每日最多开行动车组列车12列，其中呼和浩特与兰州间4列，呼和浩特与银川间2列，乌海与银 川间2列，包头与乌海间2列，包头与巴彦淖尔间1列，巴彦淖尔与呼和浩特间1列，呼和浩特至银川的旅 行时间最快只需要4小时03分。 包银高铁全线开通运营后，中国"八纵八横"高速铁路网北京至兰州通道全线贯通，内蒙古巴彦淖尔市、 乌海市进入高铁时代，中国西北地区高铁路网布局进一步完善，将极大便利沿线各族民众出行。(完) 中新网呼和浩特12月20日电 (记者 李爱平)20日，记者从中国铁路呼和浩特局集团有限公司获悉，包头 至银川高速铁路包头至惠农段将于12月23日建成通车，包银高铁全线开通运营。相关列车车票从12月20 日开始发售。旅客可以通过铁路12306网站、手机客户端、车站窗口等多种方式购买开通当天及之后预 售期内的车票。 ...

Core Points - The completion of the track laying for the Xiongshan section of the Beijing-Hong Kong High-Speed Railway marks a significant milestone, ensuring the line will open on schedule [1] - The Xiongshan section is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed railway network, enhancing the rail transit system in the Beijing-Tianjin-Hebei region [1] - The project is expected to play an important role in the development of the Xiong'an New Area and the economic and social growth of the surrounding areas [1]

沪宁合高速铁路南京枢纽项目建设迎新进展 来源：中国新闻网 编辑：董文博 广告等商务合作，请点击这里 本文为转载内容，授权事宜请联系原著作权人 中新经纬版权所有，未经书面授权，任何单位及个人不得转载、摘编或以其它方式使用。 关注中新经纬微信公众号(微信搜索"中新经纬"或"jwview")，看更多精彩财经资讯。 中新网南京12月17日电(叶天佑)17日凌晨，随着最后一方混凝土浇筑完成，沪宁合高速铁路南京特大桥 跨蒿子圩撇洪沟连续梁拱桥主跨合龙，标志着沪宁合高速铁路南京枢纽项目迎新进展，建设进度按 下"加速键"。 本次完成合龙的连续梁，位于苏皖交界的蒿子圩蓄滞洪区。其中，主梁全长346.1米，是沪宁合高速铁 路南京枢纽项目全线跨度最大的连续梁拱桥。中铁上海工程局沪宁合高速铁路南京枢纽项目党支部副书 记文金华介绍，项目施工团队借助科技手段赋能建设，将新技术应用于连续梁定位、热缩密封、智能张 拉、自动压浆等施工环节，推动工程提质增效。 作为中国"八纵八横"高速铁路网沿江高铁通道的重要组成部分，沪宁合高速铁路是沪渝蓉高速铁路的东 段线路，起自上海市新建上海宝山站，经江苏省苏州市、南通市、泰州市、扬州市、南京市，以及安徽 ...

Core Viewpoint - The commencement of construction for the Lianhua Tunnel marks the start of the main engineering phase for the Chang-Gan High-Speed Railway in Jiangxi Province, which is a significant step towards the full construction of the railway [1][2] Group 1: Project Overview - The Chang-Gan High-Speed Railway spans 429.5 kilometers from Changsha in Hunan to Ganzhou in Jiangxi, with a designed speed of 350 kilometers per hour [1] - The Jiangxi section of the railway is 297.6 kilometers long, featuring 176 new bridges and 83 tunnels, resulting in a bridge-tunnel ratio of 88.24% [1] - The railway will include nine stations in Jiangxi, with five new stations and four existing ones, and the construction period is planned for five years [1] Group 2: Technical Aspects - The Lianhua Tunnel, which is 4.9 kilometers long, is one of seven high-risk tunnels in the Jiangxi section, located in an area with challenging geological conditions [1] - Advanced technologies such as geological sketching, radar, and horizontal drilling are being utilized for geological forecasting to understand the conditions ahead of the tunnel [1] - The project team is employing fully mechanized equipment for tunnel excavation and initial support, which reduces risks for workers and ensures construction quality [1][2] Group 3: Strategic Importance - The Chang-Gan High-Speed Railway is a key component of China's "Eight Vertical and Eight Horizontal" high-speed rail network, specifically part of the "Chongqing-Xiamen Corridor" [2] - Once completed, the railway will significantly reduce travel time from Changsha to Ganzhou from approximately 4 hours to as fast as 1.5 hours, enhancing connectivity and promoting regional development [2]

Group 1 - The Guangzhan High-speed Railway from Foshan to Zhanjiang and the Shanshan High-speed Railway from Shantou South to Shantou have successfully passed preliminary acceptance, marking a significant step towards operational readiness by the end of December this year [1] - The preliminary acceptance committee, organized by the provincial transportation department, evaluated the construction, joint debugging, and quality supervision of the projects, concluding that they meet design requirements and quality standards [1] - The projects are part of the national "Eight Vertical and Eight Horizontal" high-speed railway network and are crucial for connecting the Guangdong-Hong Kong-Macao Greater Bay Area with other economic regions [2] Group 2 - Upon opening, the travel time from Zhanjiang and Shantou to Guangzhou will be reduced to approximately 1.5 hours, with access to the city center taking about 2 hours [3] - The Guangzhan High-speed Railway is noted for being the most complex, longest, and largest investment railway project in Guangdong Province, enhancing connectivity between various economic zones [2]

Core Viewpoint - The commencement of construction for the Lianhua Tunnel marks the full-scale construction phase of the Jiangxi section of the Chang-Gan High-Speed Railway, which is a significant part of China's "Eight Vertical and Eight Horizontal" high-speed rail network [1][3]. Group 1: Project Overview - The Chang-Gan High-Speed Railway spans 429.5 kilometers from Changsha, Hunan to Ganzhou, Jiangxi, with a design speed of 350 kilometers per hour [3]. - The Jiangxi section has a total length of 297.6 kilometers, featuring 176 new bridges and 83 tunnels, resulting in a bridge-tunnel ratio of 88.24% [3]. - There will be nine stations in Jiangxi, with most being newly constructed, and the project is expected to take five years to complete [3]. Group 2: Technical Aspects - The Lianhua Tunnel, located in Lianhua County, is one of the seven high-risk tunnels in the Jiangxi section, measuring 4.9 kilometers in length [5]. - The project team employs advanced geological forecasting technologies and mechanized equipment to ensure construction safety and efficiency [5]. Group 3: Impact on Transportation - Upon completion, the railway will significantly reduce travel times, with the journey from Changsha to Ganzhou cut from approximately 4 hours to as fast as 1.5 hours, and from Pingxiang to Ganzhou reduced to about 1 hour [5].

11月26日，广湛高铁正式启动试运行。卓悦 摄 广湛高铁8月份启动联调联试动态检测，目前，全线旅客乘降、信息客服、防灾、综合视频等联调联试 阶段的各项试验内容已全部完成，已具备进入试运行阶段的条件。试运行主要是按试验大纲要求，进行 列车运行图参数测试、故障模拟、应急救援演练、按图行车试验等项目测试，为正式开通运营提供科学 依据。 据了解，广湛高铁施工难度较大，沿线地形地貌、地质条件复杂，全线桥隧比达到76.8%。其中正线桥 梁190座，隧道50座，路基92.654公里，重难点控制性工程有湛江湾海底隧道、向前隧道、机场1号隧 道、佛山特大桥。 广湛高铁项目建成后，将大幅缩短粤西地区与粤港澳大湾区的时空距离，极大地提高通道的输送能力， 有效改善粤西地区民众出行条件，对加快构建粤港澳大湾区与粤西地区高速铁路通道，加速广东省交通 互联互通，推动地区经济发展具有重要意义。(完) 广湛高铁启动试运行 中新网广州11月26日电 (郭军 蔡震)26日上午，随着试运行高铁列车从广州白云站开往湛江北站，广湛 高铁正式进入试运行阶段，线路开通运营进入倒计时模式。 广湛高铁是中国"八纵八横"高速铁路网沿海铁路客运大通道的重要组成部分 ...