韩山隧道位于梅州市丰顺县北斗镇洋石村，全长345米，为超大跨径单洞单向四车道隧道，于2025年8月 14日进洞施工。汕梅高速改扩建项目是广东省首条山岭重丘区高速公路改扩建工程，路线全长约88公 里，按双向八车道标准建设。项目建成通车后，将进一步提升粤东北地区高速公路通行能力和路网服务 水平，对完善区域交通基础设施条件具有积极意义。 2月5日，随着最后一次爆破成功，广东交通集团所属汕梅高速韩山隧道顺利贯通。至此，汕梅高速改扩 建项目全线新建隧道工程已全部完成，为实现2026年底建成通车目标赢得"开门红"。 ...

Group 1 - The Shantou-Meizhou Expressway expansion project, the first of its kind in Guangdong's mountainous and hilly areas, spans approximately 88 kilometers and is set to be completed by 2026, expanding from a dual four-lane to a dual eight-lane highway [1] - The project emphasizes green, low-carbon, and efficient construction principles, achieving multiple environmental innovations in resource recycling, energy conservation, and construction process innovation [1] - The project introduces a new "precast T-beam lifting and rotating technology," which allows for the reuse of existing bridge beams, filling a technological gap in Guangdong's highway bridge renovation [1] Group 2 - The project excels in the "turning waste into treasure" approach, utilizing mobile and fixed stone production lines for recycling and processing, significantly reducing the need for external stone purchases and waste disposal [2] - Approximately 1.84 million tons of crushed stone were produced from the processed earth and rock materials along the entire route, equivalent to the load capacity of 60,000 fully loaded heavy trucks, achieving "zero external transportation of waste and full resource recycling" [2]