1月29日，随着最后一方混凝土浇筑完成，珠三角城际轨道交通广佛环线佛山西站至广州北站段（以下 简称"广佛西环"）大榄站主体结构顺利封顶。作为广州市牵头推进的首条粤港澳大湾区广州都市圈跨市 城际铁路，项目建成后，将实现佛山西站与广州北站、白云机场（600004）等核心枢纽的快连直通。 2026年广州市政府工作报告指出，2026年将推进南珠（中）城际、广佛西环城际、清远清新至广州花都 等高速公路建设。华南城市研究会创会会长、暨南大学教授胡刚此前在接受南都记者采访时指出，广佛 环线西线力争今年通车，届时广佛环线全线将实现闭环，这对广佛全域同城化具有重大意义。他指出， 同城化的关键在于交通对接。广佛环线将广州的白云机场机场、南站高铁站、中央商务区、科教城与佛 山市中心、佛山西站等一系列关键枢纽串联起来。该线路建成后，广佛两地将实现更深度的一体化，相 当于广州的城市功能与空间得到了有效扩容。 广佛西环位于广州市西北部、佛山市东北部，是珠三角城际轨道交通网重要组成部分，也是联系广佛中 心城区、佛山狮山副中心、花都城区等区域的都市圈快线，具备路网中"串组团、衔西北"的地缘纽带功 能。线路全长约47公里，起自佛山西站，经佛山 ...

Core Insights - The launch of a large-diameter shield machine, featuring the "Pioneer Bull" design, marks a significant advancement in the construction of the Shenzhen to Shenshan Cooperation Zone Railway (Shenshan High-speed Railway) [1] - The Shenshan High-speed Railway is the first high-speed rail line in the Guangdong-Hong Kong-Macao Greater Bay Area, designed for a speed of 350 km/h, connecting key urban areas [1][2] Group 1 - The Shenshan High-speed Railway has a total length of 125.5 kilometers, starting from Xili Station in Shenzhen and connecting to four major transportation hubs [1] - The project is a crucial part of the national "Eight Horizontal and Eight Vertical" high-speed rail network and aims to enhance the rail transport infrastructure in the Greater Bay Area [1] - The Longgang Tunnel, a key section of the railway, is 10,307 meters long and designed for a speed of 350 km/h, utilizing both shield and mining construction methods [1] Group 2 - Construction of the Shenshan High-speed Railway began in January 2021, with a high bridge-tunnel ratio of 92.6%, currently in critical shield construction stages [2] - Upon completion, travel time from Shenzhen to the Shenshan Cooperation Zone will be reduced from 47 minutes to 30 minutes, significantly improving connectivity to the eastern Guangdong city cluster [2] - The railway will facilitate access to the Haixi city cluster in 2 hours and the Yangtze River Delta city cluster in 5 hours, optimizing Shenzhen's external rail connections [2]