alt Hacker NewsSpeed limits are limits, not targets. That's why they're called speed *limits*. You account for variance in the speedometer and the reading device by staying under the limit, not treating it as a target.
Replies
sokoloff • yesterday at 2:24 PM
As a driver, I control my speed for a variety of factors, but I assume no responsibility for the variance in the speed checking device. That’s on the people deploying them to ensure they’ve done their job (and is part of the reason tickets aren’t issued for 1kph/1mph over in most jurisdictions).
jagoff • yesterday at 2:59 PM
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I hope this does not come across as antagonistic but isn’t this then another form of mental math again? "I’m actually not allowed to drive the number on the sign but I’m also not allowed to drive a speed within the margin of error so I could be falsely accused of speeding."
The other way around seems more clear in a legal sense to me because we want to prove with as little doubt as possible that the person actually went above the speed limit. Innocent until proven guilty and all that. So we accept people speeding a little to not falsely convict someone.