A traffic light with a white line on a black background — which vehicles does it apply to?

A)Bicycles and mopeds.
B)All vehicles.
C)Trams and buses.Correct
A traffic light with an illuminated white stripe on a circular black background: its indications refer exclusively to trams and scheduled bus services, unless there is a lane reserved for buses or taxis and other vehicles, in which case they refer only to those travelling in that lane.