Try that bus lane blocking stud fin the uk and you'll find the bus has taken a picture of you, and a hefty fine will land on the door of the registered keeper of the car.

For some reason in London, black cabs (racist drivers with low standards, high fares, and cash only for tax evasion) have lobbied for their drivers to be included in the "public transport" group, meaning bus lanes are full of buses and rich businessmen going to meetings.