1. Do not talk loud.
2. Do not take someone's reserved seat and pretend you don't know what they are talking about
3. Only bring luggage that you can carry yourself
4. Don't bring stinky food onto the train
5. Let people off the train before you try to board the train
6. Using the automatic ticket machines are always faster than waiting in line at the ticket counter.
https://youtu.be/IMfH0INMU90