The double-decker trains have been proposed as an answer to overcrowding on some of the UK's busiest railway lines. It is hoped they could tackle the problem, particularly at peak times.

Double-decker trains, then called “up and downs,” were commonplace on the Long Island Rail Road from the late 1930s to the late 1960s; a more modern version began operation in 1998. New Jersey ...

Double-decker trains could be used to ease overcrowding on the railways. Network Rail has been told by the Government that all future engineering projects must take them into account. Informal ...

Double-decker trains could soon operate through Channel Tunnel. Alstom’s high-speed trains, running up to 200mph, are being considered for the London-Paris route. Joanna Whitehead.