Don't do this on the NYC subway. Number 1. Don't hold up the line to the turn style. Have your metro card or phone ready first. Number 2. Don't stand on the left of the escalator. Stand on the right. Number 3. Don't enter before people get off the train. Let the people on the train get off first. Number 4. Don't make any conversation with other people on the train. Number 5. Don't take up extra space like putting bags on seats and mans breading. Number 6. Don't wear backpacks on the train because everyone hates being pushed. Number 7. Don't refer train services by color. Refer by their numbers or letters. Number 8. Don't ride on empty subway cars because there's a reason for that. Subscribe for more transportation and travel related contents.