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Reverse traffic pyramid
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A community for those who enjoy bicycling for any reason— utility, recreation, sport, or whatever!
Post your questions, experiences, knowledge, pictures, news, links, and (civil) rants.
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I think that's a regional dependant one in terms of which should be prioritized. There a lot of factors that could lean on way or another.
For example, while Taxis drive around empty, car shares sit around empty. That's a geometry problem that will be different city to city.
Also, car shares only allow people who can drive (and their passengers) to travel. Taxis can take anyone.