May 23, 2013
At the start of 2013, the United States was home to 22 modern public bike-sharing programs. By spring 2014, that number will likely double as a flurry of cities joins the more than 500 bike-sharing communities worldwide. (Read more about bike sharing around the globe here.) With the expansions of current programs and new openings in larger markets like New York City, Chicago, Los Angeles, and San Francisco, the nationwide fleet of shared bikes is poised to quadruple in the next couple of years, from nearly 9,000 to above 36,000.