不知你是否留意过,从几年前开始,北京的红绿灯变“聪明”了。一旦某个行驶方向的车辆过多,信号灯就会自动调节,并优先放行路口的公交车辆。“智能交通是物联网的典型应用,如今检测线圈、超声波、微波等设备已经埋设在全北京的各大主干道,不再依赖人工采集繁杂的路况信息。”北京市经济和信息化 I do not know if you have noticed, from a few years ago, Beijing’s traffic lights become “smart”. Once there is too much traffic in one direction, the traffic light will automatically adjust and give priority to the bus at the junction. “Intelligent transportation is a typical application of the Internet of Things. Now testing equipment such as coils, ultrasonic waves and microwaves has been laid down on all major arterial roads in Beijing and no longer rely on manual collection of complicated traffic information.” Beijing Economic and Information Technology