Which vehicles does this traffic light apply to?

A traffic light with an illuminated white stripe on a black circular background applies exclusively to trams and scheduled regular bus services, unless there is a lane reserved for buses or taxis and other vehicles, in which case it applies only to those travelling in that lane. The meaning of these traffic lights is as follows: - An illuminated horizontal white stripe prohibits passage under the same conditions as a non-flashing red light. (Photo 1) - An illuminated vertical white stripe permits passage straight ahead. (Photo 2) - An illuminated oblique white stripe pointing left or right indicates that passage is permitted to turn left or right, respectively. (Photo 3) - An intermittently illuminated white stripe, whether vertical or oblique, indicates that the aforementioned vehicles must stop under the same conditions as if it were a steady amber light.