>Most trains I've seen have more than one conductor At least in Berlin which this covers most trains/buses/trams have 0 people checking and there's a few peopl

>Most trains I've seen have more than one conductor At least in Berlin which this covers most trains/buses/trams have 0 people checking and there's a few people going on random ones to occasionally check so the ratio here is probably 1 worker to 50+ vehicles.