How Long Is Channel Tunnel?

The channel tunnel is 31.5 miles long or 50.45 km. That’s the equivalent of 169 eiffel towers stacked on top of each other. 23.5 miles (37.9 km) of the channel tunnel is under the english channel, making it the world’s longest undersea tunnel.

How Long Is Channel Tunnel?

The Channel Tunnel, sometimes referred to as the “Chunnel,” is an underwater tunnel that connects the United Kingdom and France, beneath the English Channel. It is the longest undersea tunnel in the world and a major feat of engineering. How long is the Channel Tunnel?

The Channel Tunnel is 31.4 miles (50.5 km) long, and is composed of three tunnels. Two of the tunnels are for railway use and one is a service tunnel that is used for maintenance and emergencies. The two railway tunnels are each 7.6 miles (12.3 km) long and run side by side, and the service tunnel is 1.7 miles (2.7 km) long.

The Channel Tunnel was built over a period of six years. Construction began in 1988 and was completed in 1994. It was built in three stages, beginning with the drilling of the two railway tunnels, followed by the service tunnel, and finally the installation of the track, wiring and other infrastructure.

The tunnel is operated by Eurotunnel, a private company, and is composed of two parts: the North Tunnel, which runs from Folkestone, England to Coquelles, France and the South Tunnel, which runs from Calais, France

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