Changes

People who have the transferable monthly ticket ''RegioKarte Übertragbar'' can take along another adult on Sundays and holidays. Students (maybe only students in Germany or of Freiburg uni?) University don't pay after 19h30 on buses trams and trainswithin a certain region, and on Friday and Saturday, there are trams running all night. It does not include night buses. Even Not somany controllers, controllers are not seen so oftenbut they appear out of the blue undercover. Are they lurking somewhere?