I am certain that comments about the trains and buses will not all be of a positive nature! However, comments that violate the rules of common decency will be removed. There is no need to go beyond the facts in order to paint an appropriately black picture of our public transport systems.
Remember these words of wisdom as you search for exactly the right phrase to frame your annoyance:
"When you have to kill a man, it costs nothing to be polite" - Winston Churchill
"You show courtesy to others, not because they are gentlemen, but because you are a gentleman." - unknown
"Be polite; write diplomatically; even in a declaration of war one observes the rules of politeness." Otto von Bismarck
"Ten people who speak make more noise than ten thousand who are silent. " - Napoleon Bonaparte