Central line (London Underground) Central line (London Underground) The Central line is a London Underground line that runs through central London, from , Essex, in the north-east to and in the west. Coloured red on the Tube map, the line serves 49 stations over , which makes it the longest Tube line. It is also one of only two lines on the Underground network to cross the Greater London boundary, the other being the Metropolitan line. One of London's deep-level railways, Central line trains are smaller than those on British main lines. The line was opened as the Central London Railway in 1900, crossing
Safety on the London Underground a six-month trial period in all parts of the Underground, and the ban was made permanent after the major King's Cross fire in November 1987. From 1 June 2008 an alcohol ban was introduced on all TfL services. This change in policy was made by Boris Johnson soon after he was elected Mayor of London in May 2008. He claimed that a public transport drinking ban would reduce crime. Following the 1987 King's Cross fire as well as the permanent smoking ban on all London Underground premises, the programme of wooden escalator replacement was sped up, and stricter controls on