From Longman Dictionary of Contemporary Englishbus laneˈbus lane noun [countable] TTRa part of a wide road that only buses are allowed to use
Examples from the Corpus
bus lane• Because the council has turned the whole damn place into a bus lane and you can't move any more.• The successful firm will also have to provide a contraflow bus lane for the authority.• Extensive bus lane and priority traffic signalling is approved for Manchester. 