Mind the gap and prove you're not just another tourist as you navigate through a century of Tube history, Harry Beck maps, and the smoky ghosts of steam locomotives.
Derived from the circular shape of its deep-level tunnels, what is the most common nickname for this iconic transit system?
The Tube
What iconic audible and written warning is used throughout the network to caution passengers about the space between the platform and the train?
Mind the gap
Who created the first diagrammatic version of the London Underground map in 1931, moving away from a traditional geographic layout?
Harry Beck
What is the name of the reusable smartcard used for 'tapping in' and 'tapping out' across the Tube, Overground, and London bus networks?
Oyster card
What was the official name of the world's first underground passenger railway when it opened in 1863?
Metropolitan Railway