dubdiscipleOrigin of the term "bus". It appears to be a shortened version of the term omnibus and evolved from there : http://www.worldwidewords.org/articles/omnibus.htm
CakeAlexSBeing from the UK we say BUS.I think it's just people typo'ing when they say BUSS. Something is going on a bit like the pronunciation of the word "Linux":http://www.youtube.com/watch?v=5IfHm6R5le0