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.
Some Police Forces Have Revealed Speed Camera Tolerances
Devon and Cornwall Police disclose speed camera threshold for drivers in Plymouth - Plymouth Live
Humberside Police disclose speed camera threshold for drivers - Grimsby Live
UK speed camera tolerances: Met police lowers speed limit enforcement threshold
How bad is the new 20mph speed limit on London's economy? - Quora
What is the margin of error for UK speed cameras?
UK speed camera tolerances revealed
What precautions should mobile speed camera operators take to protect themselves from potential attacks? - Quora
Revealed: Where 'stealth' speed cameras will be deployed on 300 miles of motorway
Warwickshire Police reveal how far over the speed limit drivers can go - CoventryLive