Vancouver Bus drivers are on the whole rude and don't care if you are running for the door, they will probably drive off. Some are really nice but on the whole it isn't great. Also know if you need a ticket you won't get change on the bus and if you overpay there is no refund. So best to buy tickets before you get on or have a selection of change to use.
If you have arrived at London Heathrow Airport there a few tips that will help you get around, get out of the terminal and get transport into London. Traveling by Car, Cab, Tube or Airport Express Train are all options so which one is best for you?