这个标识是什么意思?What do these lights mean?

这个标识是什么意思?What do these lights mean?
公交车、出租车和自行车可以停在这里Buses, taxis and bicycles can park here
当这个信号灯亮起时,公交车、有轨电车和自行车可以忽略红色的信号灯直接行驶When lit, buses, trams and bicycles can pass through, ignoring a red traffic signal
这是高速路上的公交、有轨电车和自行车专用道This is a special lane on a road or motorway for buses, trams and bicycles
当这个信号灯亮起时,公交车、有轨电车和自行车必须停下来,让其它车辆先行When lit, buses, trams and bicycles must wait for other traffic to pass before proceeding

这是一种只有新西兰大城市才有的通行标识,当标识亮起时,自行车、公交车、轨道车辆可以继续前进,无需遵守其他信号灯指示。