In 1886, the longest railway tunnel in Britain to date, opened. What was its name?
South Wales Railway ferry connection, but this was not capable of handling bulk minerals, and there was soon a move to cross under the Severn. This was a prodigious undertaking; the tunnel when completed was 4 miles 624 yards (7,008 m) in length; it was the longest tunnel in the United Kingdom until 2007, and the longest underwater tunnel in the world until 1987. The line was opened on 1 September 1886, although passenger trains were not run until 1 December 1886. When the South Wales Railway was constructed, Swansea was placed on a branch line from the through route towards Carmarthen; the
Bolsover Tunnel at Scarcliffe. Bolsover Tunnel Bolsover Tunnel is a disused and infilled twin-track railway tunnel between Carr Vale and Scarcliffe in Derbyshire, England. At it was the 18th longest railway tunnel in Britain prior to its closure in 1951. The tunnel was opened by the Lancashire, Derbyshire and East Coast Railway (later part of the Great Central Railway and subsequently the LNER) in March 1897. As originally planned, this was a highly ambitious scheme, as its name suggests, but only the central section between Chesterfield Market Place and Lincoln, together with a branch from Langwith Junction to the outskirts of Sheffield,