A1 grantham speed camera

Franglais:

jakethesnake:
Most car speedometers overread by up to 10%.

No they don’t, not anymore. Older cars that may have been the case but modern ones are very accurate.

Auto eExpress magazine
autoexpress.co.uk/car-news/ … o-accurate
Police tolerance and car speedometer.
Ten tested, no more than 3mph out.

My car is in the older category. In fact I’m keeping the photograph they sent me as evidence it will go that fast for when I come to sell it