Crossrail Is Not A Tube Line

Crossrail's Elizabeth Line will appear in full on the Tube map by the end of 2018 - two sections of it (running at TfL Rail) already exists in the west, and east, of London. But when the line is up a running fully, will it be seen as part of the Underground? The should be 'no', and here's why ...

TfL's Purple Design Idiom: http://content.tfl.gov.uk/elizabeth-line-design-idiom.pdf

TOPS explained: https://en.wikipedia.org/wiki/TOPS

Видео Crossrail Is Not A Tube Line канала Geoff Marshall