汕汕高铁全线贯通运营

Core Points - The Shantou-Shantou South High-Speed Railway has been completed and is now operational, marking the full line's connectivity [1] - This railway is a crucial part of the national "Eight Vertical and Eight Horizontal" high-speed rail network, specifically the coastal passage of the Yong-Guang high-speed railway [1] - The total length of the railway is 162 kilometers, designed for a speed of 350 kilometers per hour, connecting eight districts across Shantou, Jieyang, and Shanwei [1] Infrastructure Details - The railway includes seven stations: Shantou South, Chao'nan, Huilai, and Lufeng East, connecting to Shantou Station and Shanwei Station [1] - The Shantou Bay underwater tunnel, a key engineering project, is the world's first high-speed railway underwater tunnel with a single hole and dual tracks, designed for 350 kilometers per hour [1] - The tunnel is 9,781 meters long and reaches a maximum depth of 98.5 meters, traversing through a complex geological structure with 17 fault zones [1] Operational Aspects - Upon opening, the railway will operate at a maximum speed of 350 kilometers per hour, with up to 50 train services daily [1] - Train services from Guangzhou East and Shenzhen North to Shantou South have been extended to Shantou Station, adding two new services from Guangzhou to Shantou [1] - Travel times have been significantly reduced, with the fastest journey from Guangzhou to Shantou taking 1 hour and 52 minutes, and from Shenzhen to Shantou taking 1 hour and 39 minutes [1]