交通信号灯在英语中被称为 "traffic lights"。这个词来源于"traffic"（交通）和"lights"（灯）。

例句：

The traffic lights turned green and I continued on my way.（交通灯变绿了，我继续前行。）

Please be careful when crossing the road, always look both ways and check the traffic lights.（过马路时请小心，要双方向看一眼并检查交通信号灯。）

I always get stuck at that intersection because the traffic lights never seem to be in my favor.（我总是被卡在那个十字路口，因为交通信号灯似乎从来不对我有利。）