Core Viewpoint - The opening of the Guang-Zhan High-Speed Railway (广湛高铁) will revolutionize transportation in the Guangdong region, connecting seven cities and significantly enhancing economic development and regional coordination [1][2][7]. Infrastructure and Investment - The Guang-Zhan High-Speed Railway spans 401 kilometers, making it the longest high-speed rail line in Guangdong, with a total investment of 99.8 billion yuan, expected to generate over 10 billion yuan in annual economic benefits for the region [2][3]. - The railway features advanced engineering technology, including the longest underwater tunnel for high-speed rail in China, measuring 9,640 meters [3]. Economic Impact - The railway will create a "one-hour economic circle" for the western Guangdong region, facilitating faster access to the Pearl River Delta and boosting local economies [1][2][7]. - It is projected to drive over 200 billion yuan in fixed asset investment along the line, enhancing the economic landscape of the region [2]. Social Changes - The high-speed railway will reshape the daily lives of residents, allowing for easier commuting and increased access to cultural and recreational activities in the Greater Bay Area [4][5]. - The anticipated opening is expected to attract talent back to the region, as the "90-minute living circle" becomes a key factor for young professionals considering employment opportunities [6][8]. Urban Development - The construction of the Zhanjiang North Station will establish a major transportation hub, with significant investments planned for surrounding infrastructure, aiming to create a new urban center that integrates business, residential, and commercial spaces [9]. - The development of "high-speed rail new cities" will transform the region from a geographical periphery to an open frontier, enhancing urban quality and livability [9][10].