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.

NTT DoCoMo, Japan’s largest mobile carrier, will use location data from its 61.5 million subscriber devices to build a platform that monitors traffic conditions across the country. DoCoMo said it will ...

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 ...