The sign "Stop (bus/tram station)" indicates a stop for buses and trams. This sign is used to inform drivers that they are approaching a designated stop where buses or trams pick up and drop off passengers.

In terms of traffic rules, when you see this sign, you should be prepared to stop if a bus or tram is at the stop, as passengers may be boarding or alighting. It's important to watch for pedestrians and ensure the safety of passengers getting on and off the vehicles. You should also take note that vehicles are not allowed to stop on the sections of the road marked by this sign unless they are in accordance with the traffic lights or other regulations.

Always stay alert for people crossing the street around the stop, as they may not always be visible until you are very close.