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| I believe the new laser cameras ( the ones with the laser sensor embedded about knee height in the square post between two white painted bands) allow 3km/h tolerance, as opposed to 5km on older devices. Every measurement device must allow a margin of error to be accepted by the courts. | |
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Fining people for 3km/h over the limit is ludicrous. Indeed, the whole idea of "fien brackets" for fixed amounts over the posted limit is stupid (highly profitable though, I'm sure, so from that aspect the speed trap fulfils its primary objective.)
What's the acceptable margin of error for car speedometers in Switzerland ?
For example, in Australia the Australian Design Rules say the indicated speed on a vehicle's speedometer can differ from its "actual" speed by up to 10%. So you effectively get 10% over the posted limit before you need to be particularly worried about being pinged (realistically closer to 15%, given most cars speedometres read low, especially at higher speeds).
(Of course, if you foolishly *admit* you were over the limit, even by 1km/h, you get no such buffer - so don't ever admit it !)