I have never, ever seen public defecations or urinations on my public transport system either. The worst I've seen is the odd excessively loud person and perha

I have never, ever seen public defecations or urinations on my public transport system either. The worst I've seen is the odd excessively loud person and perhaps people having sex - but that's it. It's really not that bad, it could be like jrockway suggested: a symptom of the OP's area rather than the public transit system.