Stretching 18 km between Denmark and Germany, this €7bn immersed tunnel is the world’s longest road and rail link. By 2029, it will replace a 45-minute ferry trip with a 10-minute drive or a 7-minute ...

Add Yahoo as a preferred source to see more of our stories on Google. The world’s longest and deepest undersea road tunnel is being built in Norway, intended to cut travel time between major cities ...

Top 10: World’s longest road tunnels ...

A colossal project to reduce traffic in the underground tunnels connecting the Virginia cities of Norfolk and Hampton just had a big breakthrough — literally. Since 1957, the two cities have been ...