The world's longest railroad tunnel is the Seikan Tunnel, it is 33.49 miles long.
The Earth's largest railroad tunnel is the Seikan Tunnel in Japan, which is over 33 miles long. When the Gotthard base tunnel in Switzerland is opened in 2016, Seikan Tunnel will be the second longest.
The world's longest canal that is also a tunnel is the Rove tunnel located in France. It was built in 1974. The longest tunnel in the world is a railroad tunnel that is 35 miles long through the Swiss Alps.
Norway 🇳🇴
The Eisenhower Tunnel is the longest vehicular tunnel.
The longest road tunnel in the world at 24.51 km (15.23 miles) long, is known as the Lærdal Tunnel and is located in Norway!
Hebesberger UT (Rossleithen) has the longest tunnel
East Side Railroad Tunnel was created in 1908.
Park Avenue Tunnel - railroad - was created in 1876.
The world's longest canal tunnel is the Rove Tunnel in France. The Stad Ship Tunnel in Norway is shorter, wider, and deeper.
Banihal Pass, Pir Panjal in Jammu & Kashmir-- INdia
The Channel tunnel (actually twin tunnels) is a railroad tunnel, the second-longest the world . There is no road inside save for the third tunnel, which is a single carriageway escape tunnel (special emergency vehicles, able to drive in either direction, were designed for this safety tunnel)