Positive and negative traffic signal lamp

The utility model discloses a positive and negative traffic signal lamp, crossing diagonal angle top is provided with signal synchronization's traffic signal lamp, traffic signal lamp tow sides signal indication is equal visible. The utility model discloses because signal lamp tow sides signal indication is equal visible, when the dolly was in the cart blind area, the reverse side of the signal lamp in reverse lane was observed to the accessible, obtains synchronization information, and the signal lamp in reverse lane is located forward lane left side top, and the dolly driver behind the cart observes very easily. 本实用新型公开了正反交通信号灯，路口对角上方设置有信号同步的交通信号灯，所述交通信号灯正反两面信号指示均可见。本实用新型由于信号灯正反两面信号指示均可见，当小车处于大车盲区时，可通过观察反向车道的信号灯的反面，得到同步信息，反向车道的信号灯位于正向车道左侧上方，大车后的小车驾驶员很容易观察到。