Built between 1954 and 1957, the Harvey Tunnel was the first underwater roadway to be authorized in Louisiana, costing the state $5 million. Within months of its opening, the tunnel made the area more ...

Traveling Norway's E39 highway is often an unforgettable, but arduous adventure. The route, which spans nearly 1,100 kilometers (683 miles), is an engineering marvel, and has been constructed in a ...

Over 200 underwater bridge tunnels exist for vehicular traffic around the world, providing connectivity between cities. Once constructed, however, these tunnels are difficult to monitor and maintain, ...

A bridge would be the simplest and cheapest path across the Long Island Sound, though it also comes with "significant" ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. To ease driver fatigue, construction workers in China installed an LED ceiling on part of a ...