据悉，穗莞深城际为粤港澳大湾区重要城际铁路，分为三期建设：广州新塘至深圳机场（000089）段； 深圳机场至前海段（简称"机前段"）；前海至皇岗段（简称"前皇段"）。 穗莞深城际前皇段线路起于穗深城际前海站（不含），止于皇岗口岸站，正线全长21.158公里。全线地 下敷设，设超级总部站、皇岗口岸站2座地下站及中心公园存车场1处，线路设计时速160公里。 穗莞深城际机前段起于已开通的穗莞深城际深圳机场站，终至前海站，全长约15.15公里，采用地下敷 设。全线共设3座车站，分别为西乡、宝安、前海，设计速度为160公里/小时，预计2026年通车。 共分三期建设，机前段设3站 【深圳商报讯】（首席记者 李秀瑜）近日，穗莞深城际建设又传喜讯。记者从深铁集团获悉，穗莞深 城际前皇段皇岗口岸站小里程明挖段主体结构封顶。 穗莞深城际机前段计划2026年通车，这意味着城际动车明年可直达前海。 ...

Core Points - The Sui-Guan-Shen Intercity Railway has made significant progress with the successful track laying of the Central Park storage yard, marking a key development in the construction of the first super-large underground storage yard for intercity railways in China [1][3] - The project aims to enhance the efficiency of the intercity railway connecting Guangzhou, Dongguan, and Shenzhen, facilitating convenient travel and reducing traffic congestion [1][5] Summary by Sections - **Project Overview** - The Sui-Guan-Shen Intercity Railway connects the eastern Pearl River Delta cities of Guangzhou, Dongguan, and Shenzhen, with construction divided into three phases [5] - The first phase from Guangzhou New Tang to Shenzhen Airport opened in December 2019, while the other segments are under construction [5] - **Central Park Storage Yard** - The total length of the track laying for the Central Park storage yard is 5.11 kilometers, featuring 14 sets of switches and both ballastless and ballasted track forms [3] - This storage yard is a core component of the front Huang section, providing essential support for the efficient operation of the railway line [3] - **Line Specifications** - The front Huang section runs from the Qianhai Station to the Huanggang Port Station, with a design speed of 160 km/h and includes two underground stations and the Central Park storage yard [8] - The planned construction of the line is expected to enhance the intercity rail network in the Guangdong-Hong Kong-Macao Greater Bay Area [10] - **Future Impact** - Upon completion, the railway will support the development of key areas such as the Qianhai-Shekou Free Trade Zone and Dongguan Coastal New City, potentially driving the growth of trillion-yuan industrial clusters along the route [10]

Group 1 - The integration of the Shenzhen metropolitan area is rapidly advancing, with significant progress in multiple rail transit lines connecting Shenzhen, Dongguan, and Huizhou, forming a "one-hour traffic circle" [1] - The successful completion of the shield tunnel for the Shenzhen-Huizhou intercity line marks a completion rate of over 85%, laying a solid foundation for future connectivity [1] - Shenzhen is promoting three cross-city metro projects that will enhance rail connectivity between Shenzhen and Dongguan, facilitating access to key areas [1] Group 2 - The "Shenzhen-adjacent areas" in Dongguan and Huizhou have become focal points for Shenzhen investors, with improved transportation options enhancing the convenience of living in dual-city environments [2] - The rapid development of rail transit infrastructure is expected to expand the influence of major cities like Guangzhou and Shenzhen, extending public services and economic activities to surrounding areas [2] - The extension of rail lines is anticipated to reshape industrial layouts, with a focus on transportation hubs, creating a "Shenzhen R&D + Dongguan trial production" closed loop [2]