"The Paris system has 78 such choice points. The New York subway, the
most complex in the world, has 161. New York's system is so sprawling
and interconnected,*Barthelemy and colleagues*Riccardo Gallotti*and
Mason Porter concluded in a recent analysis, that it approaches the
maximum complexity our human minds can handle, the equivalent of about
8 bits of information."

https://www.washingtonpost.com/news/...he-human-mind/


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