Norway is set to construct the world's longest and deepest road tunnel, The Rogfast, with a staggering cost of $46 billion (£36 billion). Scheduled to open in 2033, this impressive structure will ...

Last October miners burrowing north from the Italian-speaking canton of Ticino ... at 16.9 kilometers (10.5 miles) the world's longest road tunnel at the time. A narrow, two-lane affair, it ...