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Interactive maps of fastest routes into US cities

Wharton professor Ethan Mollick used Opus 5.5 to build a site where you can explore the fastest routes into every US city, find fair meeting points, and see city watersheds.

Made with

Opus 5.5

Role

Professor at Wharton

Links

all-roads-lead-to.netlify.app

Posted

2 November 2026

Ethan Mollick@emollick

I had Opus 5.5 create a site where you can see the fastest routes into every city in the US, figure out where in America is fairest to meet up, see the "watersheds" of the largest cities, and more: t.co/xQfESpVijx

(Inspired by the defunct Arterial Mapping site)

2 Nov 2026View on X