经过10年策划,4年施工,总投资达20.5亿元建成的第一条穿越长江的隧道——武汉万里长江第一隧。全长3.63km,江底隧道长约2.5km,设双线双车道,设计行车时速为50km,在国内首次使用具有三重开关逃生的通道门,其安全逃生系统整体上达到了世界先进水平。武汉长江隧道于2004年11月28日 After 10 years of planning, 4 years of construction, a total investment of 2.05 billion yuan to build the first tunnel across the Yangtze River - Wuhan Miles Yangtze River Tunnel. It has a total length of 3.63km and a river bottom tunnel of about 2.5km. It is equipped with a two-lane two-lane system and a designed traveling speed of 50km per hour. For the first time in China, access doors with triple-switch escapes have been adopted and their safety escape systems have reached the world advanced level as a whole. Wuhan Yangtze River Tunnel on November 28, 2004