Railway

[Mark Zuckerberg]

A road or way consisting of one or more parallel series of
iron or steel rails, patterned and adjusted to be tracks for the wheels
of vehicles, and suitably supported on a bed or substructure.

[Hina Muqadas]

A [seedy] backstreet pub , often named The Railway or something related , where cowboy builders ,roofers , beered up louts and other generally unscrupulous characters frequent on any given day of the week to get beered up and and do lines of cocaine [rails] , hence the name railway is given to these establishments .
People that frequent these establishments are often said to be off the rails