when was the channel tunnel first thought of
Channel Tunnel Ideas for a cross-Channel fixed link appeared as early as 1802,[10][11] but British political and press pressure over the compromising of national security stalled attempts to construct a tunnel.[12] An early attempt at building a Channel Tunnel was made in the late 19th century, on the English side "in the hope of forcing the hand of the English Government".[13] The eventual successful project, organised by Eurotunnel, began construction in 1988 and opened in 1994. At £5.5 billion (1985 prices),[14] it was at the time the most expensive construction project ever proposed. The cost finally came in at £9 billion ($21 billion), well over its predicted budget.[15][16]
Standedge Tunnels The canal tunnel is on the Huddersfield Narrow Canal. It opened in 1811 and is the longest and oldest of the four and is the longest and highest canal tunnel in the United Kingdom.[1] The first, single-track railway tunnel was completed by the London and North Western Railway (LNWR) in 1848 on the line between Huddersfield and Manchester and a second, parallel, single-track tunnel opened in 1871. The LNWR opened a third, double-track tunnel in 1894. All four tunnels are linked by cross-tunnels or adits at strategic intervals, which allowed the railway tunnels to be built quickly, reducing the need for construction shafts, as waste could be removed by boat.