It seems that Thunderhead Alliance, the national coalition of state and local bicycle advocacy organizations, has released the draft report from its North America bicycling benchmarking project. The summary includes various statistics for 15 cities - per capita miles bicycled per day, for instance, and miles of existing facilities.

http://www.biketraffic.org/pdf/benchmarking.pdf

(Found this on the Shift list)
SHIFT TO BIKES