The designer originally produced a concentric circle subway map that was widely debated.

"It's interesting that they form these concentric circles where each ring shows how much they've been stifled by their neighbors, ultimately impacting how large they can grow.

Cartographer creates a 'concentric-circles-and-spokes' version of the famous chart - and claims it's more geographically accurate than TfL's READ MORE: How clean is indoor air?