The Fehmarnbelt Tunnel will cut through the Baltic Sea, at a lowest depth of 130ft, connecting Puttgarden, Germany and Rødbyhavn, Denmark. The 11-mile passage will be the world's longest road and ...

Today, L.A. Metro’s subway tunnels connect some of the city’s most densely populated neighborhoods. There are many other ...

Tickets are on sale for the Tulsa Foundation for Architecture’s bi-annual Tulsa Underground Tunnel Tours ... The so-called “Millionaires’ Highway” today links eight buildings, three ...

The Z-Morh tunnel is situated at a height of 8652 ft above sea level and it is developed jointly by National Highway Infrastructure Development Corporation (NHIDCL) and APCO Infratech Pvt Ltd.