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右转的话如果红箭头没亮的时候就可以过，一般路口都是不禁右转的，不过有些路口人流量特别大或者高峰期的时候右箭头就会亮红。交通信号灯故障的检测：一种用于道路交通信号灯故障监督检测的装置及其检测方法，包括有故障检测单元和与其相连接的信号机处理器。

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