The Alliance for Biking and Walking have just released their 2012 benchmarking report with almost every statistic on biking and walking. This is a great resource to pull from!

I have added the download to the community page on the blog here:

http://publicbikeshare.com/community/

Here is a direct link to the PDF file:

http://peoplepoweredmovement.org/site/images/uploads/2012%20Benchmarking%20Report%20%20-%20Final%20Draft%20-%20WEB.pdf