REDUCED speed tolerance levels in Queensland will apply on regional and rural roads as well as suburban areas.
But Acting Assistant Commissioner Mike Keating, from Road Policing Command, said the set speed tolerances, which give people an undisclosed number of kilometres grace above the speed limit, only applied to speed cameras.
He said officers who caught people speeding still had discretion when issuing tickets.
The speed at which motorists can travel over the limit before triggering the flash of a camera will be reduced in 40,50 and 70kmh zones.
News Ltd has reported it as the third such reduction since July and that previous reductions had resulted in a 23% increase in speed detections, equating to millions of dollars in additional fine revenue.
Mr Keating said road safety experts were regularly assessing speed limits and speed tolerance levels so more changes were likely in the future.
He said there had been an increase in the number of detections but there was also an increase in the hours the cameras were being used so it was hard to calculate whether more people were caught speeding.
Mr Keating said there was, though, a reduction in the average rate of detection in terms of vehicle speed going through the radar detections.
"We know where we want to settle with these adjustments and that will take into account a whole variety of circumstances for people," he said.
"But certainly we won't be going to a 1km tolerance adjustment at this stage.
"Speeding in any street is a problem whether it be on a regional road or a back street.
"We don't set the levels, we enforce them but my message is pretty simple: the speed limit is set, stick to the speed limit, drive according to the conditions, ensure your own safety and the safety of other people in the general area."
Mr Keating said with large numbers of parents and students attending school zones for the first time, he urged people to be extra vigilant.
"I would encourage anyone in a school zone, moving near a school zone to be very conscious of the environment they're in and to act in a way that ensures their safety and the safety of people in and around that speed area," he said.