You are driving through a quiet condo community, an outdoor shopping plaza, or a state park trail, when something catches your eye. Up ahead sits the familiar eight-sided shape you have reacted to since driver’s education. Only this time, it is not crimson red. It is deep cobalt blue.
Spotting a blue stop sign is enough to make any driver tap the brakes and second-guess their eyes. We are so conditioned to red octagons that a sudden color swap feels like a glitch in the road system. actually mean, why
