World Solve — A living repository of problems worth solving.

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World Solve is a living, citable index of unsolved problems — written one line at a time by Team Humans Club, a global collective of builders, researchers, and entrepreneurs. We do not solve the problems here. We Democratize Innovation.

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Public transport systems in mid-sized South American cities lag behind megacities.

open South America / Unspecified, South America

Investment priorities focus on capitals while smaller cities struggle with outdated fleets. Regional funding and planning platforms can spread best practices.

cities public transport systems mid local-regional

WS01961 · Logged by Ian Patel on 2026-07-22T15:59:00Z · Working on: 0

Citation ID: WS01961 Title: Public transport systems in mid-sized South American cities lag behind megacities. URL: https://worldsolve.org/index.php?api=problem&id=1961

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1962 public problems
1962 open challenges
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