How highways make traffic worse

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Shared February 12, 2021

Expanding highways doesn't do what you think it does.

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Big, expensive highway expansion projects are the source of a lot US transportation funding β€”Β but they aren't a silver bullet for congestion relief. In communities that were built for cars, solving traffic problems requires much more holistic problem-solving.

At 1:00​, we show a bar graph of travel times on the Katy Freeway that was originally put together by City Observatory, which has covered the Katy Freeway expansion project at length:
https://cityobservatory.org/reducing-...​

This video was based in large part on research by Gilles Duranton and Matthew A. Turner:
https://www.aeaweb.org/articles?id=10...​

For more reading on induced demand:
https://www.wired.com/2014/06/wuwt-tr...​

https://www.bloomberg.com/news/articl...​

For Kyle Shelton's work on urbanism:
https://kinder.rice.edu/urban-edge/au...​

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