在城市主干道约500个红绿灯路口安装了盲人过街音响信号装置，350个路口安装了行人灯绿闪倒计时器。
All of them are paved with blind paths and stone ramps. 500 main intersections are installed with sound devices to guide the blinds. 350 intersections are installed with green light count down device.
当绿色交通灯亮时，你仍可以转左，但一定要在车道上没有车辆及行人时。
You can still turn left when the light is green, but only when the way is clear of traffic and pedestrians.
绿箭头灯亮起时，行人禁止横穿公路，直至指示行人可通行的人行横道灯亮起。
Pedestrians must not cross on a left-turn green arrow unless a pedestrian signal tells them to.
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