Those particular signs are just stupid. The street should be redesigned with traffic calming, narrowing and chicanes so that speeding is not possible.

Slapping on a sign is ineffective

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lsaferite 6 days ago | parent | next [-]

Maybe for new schools. Old schools don't have the luxury of being able to force adjacent road design changes in most cases. Also. I've frequently seen the school zones extended out in several directions away from the school to make heavily trafficked intersections feeding towards the school safer. Safer for pedestrian and motorist alike. The real world is generally never so black and white. We have to deal with that gray nuance all the time.

	▲	iknowstuff 6 days ago \| parent [-]
		Of course they can. Streets get redesigned all the time. They get repaved every couple decades at worst. I’m saying this because it seemed silly to me to be dreaming up some weird system of QR codes or LLM readable speed limits instead of simply making the street follow best practices which change how humans drive for the better _today_.

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goosejuice 7 days ago | parent | prev [-]

Completely agree