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The 1.28 Billion USD Eurasia road tunnel connecting the continents of Europe and Asia is one of the world’s largest infrastructure projects. The 5.4km long two-deck tunnel, 3.4 km of which is bored at a rate of 8-10 meters a day well below the sea bed, will connect the two sides of Istanbul’s Bosphorus. It is a complex of new roads, tunnels and infrastructure works covering 14.6km overall distance. A 13.7m diameter twin deck tunnel is bored utilising a Tunnel Boring Machine engineered specially for this project from Asia to Europe.