@billybob :
There is nothing safe about riding a bike in Peoria. There need to be far more protected lanes. There are not enough to make riding a bicycle practical for anything but pleasure riding.
That said... the distances between things are too great for most potential riders. Sprawl hurts bicycle riding too. There is the matter of the hillside bluff that no one wants to ride up. It is a real barrier for many folks. There are only six months out of the year any sane (average) person would ride in. In the heat of summer no one is going to want you showing up to work all sweaty unless you got a shower and a change of clothes at work.