指定将交通车道指定为公交专用道、公交专用道、公交专用道、有轨电车专用道、有轨电车专用道或卡车专用道所需的交通控制设备。它还规定了控制或禁止卡车或公共汽车在道路上行驶的装置。

Specifies the traffic control devices required to designate traffic lanes as bus lanes, bus only lanes, transit lanes, tram lanes, tram only lanes or truck lanes. It also specifies devices for the control or prohibition of truck or bus traffic where required on roadways.