They may seem pretty harmless, but those little blue dots on motorcycle taillights could get you in trouble with law ...

The signs say nothing—it’s just that big blue dot in the middle—but their message is no mystery here. “I don’t think there’s anybody in this city who doesn’t know what the blue dot ...

The blue dots in the middle of taillights aren't nearly as blatant, but they run afoul of federal lighting laws requiring taillights to be red, which could get you stopped. The true origins of ...