I am the UNO Prof. mentioned in one of the above posts a I can tell you that to make things happen the bicycle community needs to be
much better organized in this town. The "low hanging fruit" (trails along creekbanks) has now pretty much been picked and the hard work to make the system viable for transportation lies ahead. Still, when you realize there were NO trails in Omaha 20 years ago, we have come pretty far. You can view my Omaha trail research at:
http://www.unomaha.edu/recadmin/trails/2007TrailReport.pdf