中国在长江下完成了世界上最长的水下高速铁路道. China completes world's longest underwater high-speed rail tunnel under Yangtze River.

为了建设上海-重庆-成都高速铁路, 中国在长江下方完成了创纪录的11.18公里的水下挖掘工作. China has completed a record 11.18-kilometer underwater excavation beneath the Yangtze River for the Shanghai-Chongqing-Chengdu high-speed railway. 作为长达2000公里的项目的一部分, 是全球最长和最大的高速铁路水下道. The Chongming-Taicang tunnel, part of a 2,000-kilometer project, is the longest and largest high-speed rail underwater tunnel globally. 项目得到500亿元人民币的投资支持, 并纳入202630五年计划中. 该项目预计将使超过20个城市受益,并产生高达1.5万亿元经济价值. The project, backed by a 500 billion yuan investment and included in the 2026–30 Five-Year Plan, is expected to benefit over 20 cities and generate up to 1.5 trillion yuan in economic value.