Do they exist?  I haven't heard of one that lasted.  I am curious because I was reading about the Blue Bike Program

http://www.railtrails.org/whatwedo/partnerships/corporate/DasaniBlueBikes.html

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Sincerely,

Jonathan Morrison
Executive Director
Salt Lake City Bicycle Collective
2312 S. West Temple
Salt Lake City, UT 84115
w: 801-328-2453
c: 801-688-0183
f: 801-466-3856
www.slcbikecollective.org

Get Addicted to Crank!
http://www.slcbikecollective.org/crank/