Of course, having said that, I'll likely be confronted by someone masturbating with feces while picking animal parts out of his mouth on my ride home.
So, for fun: what's the nastiest thing you've ever seen on Vancouver transit? I have two, which feel oh-so-tame in comparison to the horrors of the NY subway system.
1) Toothless crack addict pulls out her pipe and starts smoking ON THE BUS (#10 Hastings)
2) Dude gets off the bus and promptly drops his pants (#3 Main). I turned away before I saw the conclusion to that.