On 13/09/2012 13:51, Graham Harrison wrote:

No one would
think a train driver collecting fares is a good idea but for some reason
the idea a bus driver should do it passes unremarked.


In this country you're probably right. In others, however, I've seen
quite a few trains where the driver collects the fare.

Tram drivers will do it many cities around Europe. I have also seen
drivers on the Warsaw Commuter Railway sell tickets.