Tube map from 1965 showing the District line route as it looks today (Image: TfL Corporate Archives) In 2003, the line was partly privatised in a public-private partnership managed by the Metronet ...

The new map places snowflake emojis next to lines that have air conditioning. According to the map, eight Tube lines use air-conditioned carriages: Circle, District, Hammersmith and City, Metropolitan ...

Tube map from 1965 showing the District line route as it looks today (Image: TfL Corporate Archives) In 2003, the line was partly privatised in a public-private partnership managed by the Metronet ...