New Yellow River tunnel opens in China

A new tunnel under the Yellow River, the second-longest river in the country, was inaugurated in Jinan, eastern China, with the aim of facilitating traffic flow between the two banks. The tunnel extends for 5.75 kilometers and features a 3.3-kilometer section excavated using a drill-and-blast technique, making it the largest underwater tunnel of its kind in China. It consists of a single double-deck tube, accommodating six lanes with a design speed of up to 60 kilometers per hour, and an internal height of 4.2 meters to allow the passage of buses and emergency vehicles. Its design has contributed to improved cost efficiency and transportation effectiveness, representing a significant achievement in China’s underwater tunnel excavation technology.

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