Wikipedia defines common sense as “knowledge, judgement, and taste which is more or less universal and which is held more or less without reflection or argument”
Try to avoid using this topic to express niche or unpopular opinions (they’re a dime a dozen) but instead consider provable intuitive facts.
I’m in one of those places. In Utah, many crosswalk lights won’t turn on at all unless you press the button, and the button can completely change the light timing and ordering (e.g. a protected left turn light activates at the end of a cycle instead of at the beginning).
Traffic engineers here are sometimes allowed to do some fairly interesting things.