China proposes 120 km Bohai Strait Undersea Channel project

Key facts

• China is planning the construction of the Bohai Strait Undersea Channel, a 120-kilometre undersea railway tunnel.
• The tunnel is designed to connect the port cities of Dalian in the Liaoning Province and Yantai in the Shandong Province.
• High-speed trains are expected to travel through the tunnel at speeds of up to 250 kilometres per hour, completing the journey in 40 minutes.
• The project focuses specifically on a rail system that will support both passenger and cargo trains as part of the national high-speed rail network.
• The infrastructure plan includes the construction of artificial islands and shafts to provide ventilation channels and emergency exit routes.
• The project is currently in the feasibility study phase and is intended to boost regional economic integration within the Bohai Rim Economic Zone.
• The estimated financial requirement for the venture is several hundred billion yuan.