You might have seen traffic lights in Japan that are a little different to what you're used to. Instead of being red, amber, and green, the last light on the signal might be blue, or perhaps an ...

Question: I’m wondering about a light that seems to only be on at night on the traffic lights. It’s a small purple or blueish light that’s near the traffic lights. I’ve tried to figure out what its ...

Before we’re old enough to even see over the dashboard, we learn that green means go and red means stop. This internationally recognized traffic light color system is standard in most of the world.