Boston's Hubway: http://hubwaydatachallenge.org/

London's Cycle Hire: http://www.tfl.gov.uk/businessandpartners/syndication/16493....

Also check out http://vimeo.com/33712288

DC's bike share has anonymized ride data available here: http://www.capitalbikeshare.com/trip-history-data

Probably. The New York system uses the same technology and operator as the DC system, which has been around for several years and has released lots of data. http://greatergreaterwashington.org/post/13327/capital-bikes... is a blog post about the DC system's initial anonymous data release.