Police forces confirm speed cameras have a tolerance before they start going after speeders, but drivers who take advantage risk being hit with a fine.
UK speed camera tolerances revealed
Shocking amount of UK speed cameras are inactive
How fast can you go over the speed limit UK? - Quora
Over 750,000 UK drivers set to be caught speeding in France
Just 1mph too fast and you're nicked: new zero tolerance approach to speeding
We do allow 10% plus 2mph for speeding motorists: PSNI
UK speed camera tolerances: Met police lowers speed limit enforcement threshold
Effectiveness of Policies to Reduce Drivers' Speed
How fast can you go over the speed limit UK? - Quora
Is it illegal to drive 10% above the speed limit?