Sometimes, though, things can get altogether weird.
Maybe you've seen something that actually made you giggle with delight.
Or witnessed something legitimately heartwarming.
Or maybe you encountered...this...
Whatever it is, we want to hear about it (bonus points if you have a picture.) Tell us the funniest, craziest, most effed-up thing you've seen on public transit and you could be featured in a BuzzFeed Community post.