交通灯控制器，红灯亮禁止通行，绿灯亮允许通行。黄灯亮提示人们注意红、绿灯的状态即将切换，且黄灯燃亮时间为东西、南北两干道的公共停车时间。-Traffic lights controller, the red light to prohibit access, the green light to allow passage. Prompt attention to yellow light red, green state is about to switch the time to kindle and yellow for the east-west, north-south corridors in the two hours of public parking.