FILE - In this May 12, 2013 file photo, bicycles that are part of the NYC Bike Share program are lined up at a dock and lock station at the Brooklyn Navy Yards in New York. Chicago join

 

              FILE - In this May 12, 2013 file photo, bicycles that are part of the NYC Bike Share program are lined up at a dock and lock station at the Brooklyn Navy Yards in New York. Chicago join
FILE - In this May 12, 2013 file photo, bicycles that are part of the NYC Bike Share program are lined up at a dock and lock station at the Brooklyn Navy Yards in New York. Chicago joins New York, Los Angeles and San Francisco when it launches its bike sharing program, named Divvy to represent its divide and share principle, on June 28. (AP Photo/Craig Ruttle, File)