It is widely known that Standedge Tunnel is the longest canal tunnel in the country. But what about the second longest, third longest, etc? For comparison, this page lists those canal tunnels that are over one mile or 1500 metres in length.
Rome’s Tremendous Tunnel The Ancient World’s Longest Underground Aqueduct. Roman engineers chipped an aqueduct through more than 100 kilometers of stone to connect water to cities in the ancient province of Syria.
The Large Hadron Collider. The European Organization for Nuclear Research (CERN) is the world’s largest laboratory and is dedicated to the pursuit of fundamental science (the World Wide Web was created at CERN in 1989 by British scientist Tim Berners-Lee)
No river is too wide for the incredible feats of engineering that are the world’s longest bridges.
Golden Gate Bridge Highway and Transportation District. WERE HARD HATS USED DURING CONSTRUCTION? Yes they were and here is how they came to be.
The World’s longest, widest, highest and deepest canal, road and railway tunnels. Links to historic, current and future projects
Terminology. A tunnel is relatively long and narrow; the length is often much greater than twice the diameter, although similar shorter excavations can be constructed, such as cross passages between tunnels.
The Channel Tunnel (French: Le tunnel sous la Manche; also nicknamed the Chunnel) is a 50.45-kilometre (31.35 mi) rail tunnel linking Folkestone, Kent, in the United Kingdom, with Coquelles, Pas-de-Calais, near Calais in northern France, beneath the English Channel at the Strait of Dover.
A new world’s longest and deepest rail tunnel cuts through the mountains in Switzerland. Construction went on for nearly 20 years, but the Gotthard Base Tunnel inside the Swiss Alps finally opened in 2016, moving rail cars of passengers and freight between Zurich, Switzerland, and Milan, Italy.
The five mile route, which opened to the public last week, cost £4million to complete and includes the record 1,829 yard Combe Down Tunnel.
