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From: Silvano <Silvano@noncisonopernessuno.it>
Newsgroups: sci.lang, alt.usage.english
Subject: Re: OT: Converting miles/km
Date: Sat, 21 Sep 2024 12:52:12 +0200
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Hibou hat am 21.09.2024 um 09:20 geschrieben:
> Le 20/09/2024 à 20:05, Sam Plusnet a écrit :
>>
>> Also, most modern cars can be persuaded to display speed (digitally)
>> in either mph or kph to suit your current needs.
> 
> Our recent hire cars have displayed the speed limit, as read from limit
> signs via their cameras. It is often wrong, displaying a recent speed
> limit, not the current one - unsurprisingly, since in France there are a
> variety of signs that set the speed (a crossed-out place name, for
> instance), the camera lens may be dirty, a lorry may mask a sign, and so
> on.
> 
> Apparently, the crazy EU has made this flawed system the basis for
> mandatory speed limiters (and the crazy UK has followed suit). If you
> run into someone stuck at 30 kph on a 130 kph autoroute, that's probably
> the reason.
> 
> "However, our experience of such systems suggests they can get it wrong.
> In one instance, a car's traffic sign recognition system picked up a
> 30mph sign on a turning off a dual carriage and dramatically slowed
> down, despite the fact the car was actually travelling along the outside
> lane" -
> <https://www.parkers.co.uk/car-advice/speed-limiters-what-they-mean-for-you/>
> 
> 
> God preserve us from government!


Japan was already wiser 40 years ago, but the more appropriate name is
probably "speed limit warnings".
A friend gave me a ride there when an alarm sound went off.
- What does this noise mean?
- I was driving at over 100 km/h (the speed limit on their highways at
that time). We have a warning system on all our cars.
- What about all those cars overtaking us? Do they produce the same noise?
- Yes.