Channel Tunnel between England and France

picture via news.bbc

The Channel Tunnel. Very spectacular. This trajectory can be said the most sophisticated and longest in the world because it has a length of 50.5 kilometers (31.4 mi) to the lowest point as deep as 75 meters (250 feet). The Channel Tunnel was in the Straits of Dover and the linking between Folkenstone, Kent in England with Coquelles, Pas-de-Calais, northern France. American Society of Civil Engineers in 1996, this tunnel has been named as one of the seven wonders of the modern world.

The idea to build a connecting road between the British with European plains actually been around since the year 1802. But the idea was just beginning pioneered in 1988 and finally materialized in 1994. The first person to submit a proposal making of the Channel Tunnel is a French mining engineer named Albert Mathieu in 1802. While the first person to perform geological surveys and hidografis in the Channel, between Calais and Dover is Thome de Gamond in 1830.

Railway Design

In the Channel Tunnel using three communication systems. Tthere are : Concession Radio (CR), Track-to-Train Radio (TTR), and Shuttle Internal Radio (SIR). CR for mobile vehicles and personnel within Eurotunnel’s Concession (terminals, tunnels, coastal shafts). TTR for secure speech and data between trains and the railway control centre. SIR for communication betwewn shuttle crew and passengers over car radios.