The United States is now home to 214 bicycle-friendly communities in 47 states, according to a new list released Monday by the League of American Bicyclists.

Municipalities are evaluated based on their efforts to promote bicycling, investments in bicycling infrastructure and bicycling education programs, the league said in a news release. They must apply to be considered for the list. Localities are also divided into four categories: platinum, gold, silver and bronze.

Boulder, Colo., Davis, Calif., and Portland, Ore., remained the only three communities to earn the platinum distinction on the 2012 list. All three ranked in the top 10 for their percentage of commuters who bike to work, according to the U.S. Census Bureau's 2010 American Community Survey, as Governing previously reported.

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