an
atmospheric railway, a railway that uses differential air pressure to provide power for propulsion of a vehicle
an underground railway constructed in a circular tunnel by the use of a
tunnelling shield
by extension of the previous definition, the
London Underground, most (but not all) of whose lines are so constructed
Topics referred to by the same term
This
disambiguation page lists articles associated with the title Tube railway. If an
internal link led you here, you may wish to change the link to point directly to the intended article.
an
atmospheric railway, a railway that uses differential air pressure to provide power for propulsion of a vehicle
an underground railway constructed in a circular tunnel by the use of a
tunnelling shield
by extension of the previous definition, the
London Underground, most (but not all) of whose lines are so constructed
Topics referred to by the same term
This
disambiguation page lists articles associated with the title Tube railway. If an
internal link led you here, you may wish to change the link to point directly to the intended article.