I came across one in Italy that was meant to prevent you from using a street during school days from X to Y am, and Z to W pm, except on weekends, bank holidays and school holidays.

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nxpnsv 4 days ago | parent [-]

They don’t want cars near the school when kids are coming in or when they leave. That sounds like a sane approach to me…

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NobodyNada 3 days ago | parent [-]

The idea is well-intentioned, but implementing it by making drivers try to parse arbitrarily complex conditionals while driving is unwise.

There's a sign near my house for a school zone with a reduced speed limit, that used to have conditions similar to the GP's example (though not quite as bad) But they recently attached a yellow light to the top of the sign and changed the condition to "when flashing." That's a much more effective solution.

	▲	ncruces 3 days ago \| parent [-]
		Thank you! You put in writing my exact intent.