Originally Posted by LabRat2k3

Where are your feet on the pedals? If I try to pedal more with my toes, ball of the foot over the axle of the pedal, my feet hurt and want to cramp/go numb. If I put the arch of my foot over the pedal axle my feet feel much better. I think I am putting to much leverage on my foot then I don't have it centered on the pedal. It may be something to look at next time you ride. As far as traffic goes can you try riding to the park at a time when the traffic is lighter, maybe early morning on the weekends or later in the evening?