1、竖向安装时,红绿灯灯色由上向下应为:红、黄、绿。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/908fa0ec08fa513d5155f60f366d55fbb3fbd960?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、横向安装时,红绿灯灯色由左至右应为:红、黄、绿。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/472309f790529822f6b8a312dcca7bcb0b46d45c?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
1、三灯三色单组方向指示信号灯按指示方向分为左向、直行、右向三种方向指示信号灯。
2、单组竖向安装时,方向指示信号灯灯色由上向下应为:红、黄、绿。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9a504fc2d562853529e857f09bef76c6a6ef63d3?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、横向安装时,方向指示信号灯灯色由左至右应为:红、黄、绿。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/3ac79f3df8dcd100b2b97df0798b4710b9122f3d?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、三灯三色单组方向指示灯,一般情况下由左向、直行和右向三组或者由左向、直行两组信号灯进行悬臂式安装,在长臂杆的横臂上,分别对应车行道自左至右按左向、直行、右向进行竖向或横向安装。
5、由红、黄机动车和左、直(、右)方向指示信号灯组成单组信号灯
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