In Search of the Longest Subway Ride

This is a pretty cool project by WNYC: They are trying to figure out what the longest ride on the NYC subway is that you can get with a single swipe. You can transfer as often as you want and visit stations repeatedly, but every line segment may only be visited once. They have built a small website that is trying to crack that problem brute force in the browser:

A bit like a traveling salesman who really doesn’t want to go home.


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