Johnston’s fully formed Underground symbol was born ... in modern art with its spare, abstract nature and has continued to influence the London Transport aesthetic to the present day.

The new pattern depicts London's iconic landmarks through abstract shapes A pattern casting ... strategy and commercial director for London Underground, said: "We chose the WallaceSewell entry ...

This can make solving the problem easier. An example of abstraction is the London Underground map. It details tube lines, services that run on them and the stations. This is all that is required ...

It handles up to 4 million passenger journeys per day, but how many people actually stop to look at the walls of the London Underground ... subtle and abstract patterns found nowhere else on ...

Given the amount of tourists who gather excitedly around London Underground signs taking selfies ... what you're sitting on isn't just a load of abstract geometric shapes and primary colours.