Anyone who wants simple: 1) go to bus stop 2) wait for bus That's it. Anything else is bonus good stuff. The fact that you can find out how long to wait, for any bus stop, even with a 1997 Nokia is science fiction ace ville Anyone with an ios or android device who isn't using citymapper app is a fool to themselves. Not just for buses but london wide transport. If you are worried about using in public, check before leaving house. But expanding and maintaining a board at every bus stop is financial and logistical ruin