Public transportation is a wonderful invention that takes us from A to B for a decent price in a reasonable amount of time. However, keeping in mind the sanity and safety of our fellow commuters, there are certain rules that we all need to follow. They should be no-brainers by now, but we all need a reminder every now and again. And some people are less self-aware than others... Have you ever done these things on your bus or train ride? Well, we hope never again!
Click through this gallery to discover things you should never do on public transportation.