There's over 400 escalators on the tube system in London, and you probably know where the longest one is - but here's here's the Top 10 list of the longest escalators on the tube ... avoid these stations if you don't like long escalators! If you really want to get your nerd on have a look at this detailed page here about lifts and escalators: http://www.davros.org/rail/culg/vertical.html And here's a list which shows all the vertical rises measurements: http://www.davros.org/rail/culg/vdetails.html