1.2+ or 3 with class 5 shopping cart and road sign hazard potential.
2.uh.....get out, pick up trash, get back in with trash.
3. bad. hence the cleanup. dont worry, there was a big flush a few days ago. most of the freshies should be at least to commerce city by now. basically, bring gloves and dont rub your eyes. if somehow you get splashed, dont open your mouth. seriouisly though, i havent heard of anyone getting sick the last 2 years. with that swine flu of yours i'm more worried about running into you than the platte water.