单选题 · 选择一个答案
Which road users do the cycle symbol, T and B traffic signals shown principally control, respectively?
图中自行车图案、T和B专用信号，分别主要控制哪类道路使用者？
The signals principally control cycles, light rail and buses respectively.
分别为自行车、轻轨车辆及公交车，应识别适用于自己的专用信号。
阅读相关知识
Follow the signal applying to your vehicle, direction and lane. One special green signal does not override red for everyone. Other authorised bus-lane vehicles may also be covered by B-signal rules.
这些不是停车许可或高速公路车道牌。不得理解为看见任意专用灯亮起，所有车辆便可无条件忽略红灯；要按各自适用的灯号、颜色、车道及让行要求行驶。合法使用公交车道的其他指定车辆也可能适用B信号规则。