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
Suicide on the London Underground inform the public), "person on the track", "passenger action," but most commonly "one under", or "jumper" — well-known phrases across the network. Those who survive are often charged with offences such as "endangering safety on the railway" and "obstruction of trains with intent". About half of the stations, mostly those actually underground, have a pit under the tracks. Originally constructed to drain water, they have now been shown to reduce the number and severity of injuries and deaths, although not to eliminate them: as a Transport for London (TfL) spokesperson has said, "people fall into [the pits] and the train