In article ,
Andy Burns wrote:
Mine shows true speed minus 1 mph, compared to GPS speed and to those
annoying signs that flash to thank you for being considerate.

There's one round here that flashes saying you're exceeding the limit even
at 20 mph - in a 30 MPH zone. One of the older types which all seemed to
do that.

The newer ones which show your actual speed and a smiley etc, do seem
rather better.

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*Income tax service - We‘ve got what it takes to take what you've got.

Dave Plowman London SW
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