In the United States, changes to cities that make bike riders happy have the opposite effect on car drivers. Downtown shops and restaurants depend on the customer traffic that the automobile brings. Turning car lanes into bike lanes has the effect of hurting retail commerce in city centers. This means that the types of businesses that depend on the automobile have to give way to the types of businesses preferred by bike riders.
The problem for city governments is any changes to the street grid will effect everyone - what would you do?


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