POLICE expect to catch even more motorists speeding when tolerance margins are lowered again from tomorrow.

The tolerance margin is the number of kilometres by which motorists are allowed to exceed the speed limit before being fined for speeding.

Although the exact margin is a well-kept secret it was previously thought to be as high as 10 per cent on top of the signed speed limit.

Acting Assistant Commissioner Michael Keating said the first stage of the tolerance lowering exercise in 60km/h zones had contributed to an increase in speed detections of two per cent in July and 23 per cent in August.

"This (second) adjustment of speed tolerances will apply to the whole range of speed restrictions across the state," said Asst Comm Keating.

"No jurisdiction of Australia publicises the tolerance levels but we are adjusting the tolerances according to the schedule we had decided upon."

Mr Keating said motorists should always consider the signed speed limit the maximum speed allowable.

"The important thing is for motorists to comply with the speed limits as they apply to the area in which they are driving as well as the conditions in which they are driving," he said.

"The quickest way to avoid the complication of speed is to drive to the speed limit."

He denied the latest move by police was about "revenue raising".

"It's not revenue raising, it's about saving lives. It's about encouraging people to contribute to road safety," said Mr Keating.

"We're not interested in the revenue raised by this, we're interested in protecting people road users, pedestrians, individuals who are innocent parties to road crashes."

Earlier it was reported, MORE motorists have been caught speeding as police enforce a lower tolerance margin and increase speed camera operations on Queensland roads.

Last month, the number of speed camera detections jumped 23 per cent when compared to the same period last year, with a 2 per cent rise recorded for July.

The increase comes after a 1km/h drop in the tolerance margin for speeding in 60km/h zones was announced in June and more speed camera operations were rolled out across the state.

The changes included a 28 per cent increase in mobile speed camera hours during August compared to 2012.

The Queensland Police Service has today revealed a further reduction in speeding tolerances will begin in a bid to reduce the state's road toll.

Road Policing Command Acting Assistant Commissioner Mike Keating said police would continue to monitor compliance with speed limits and the impact on road safety.

"Our message today is drive to the posted speed limits; that is the maximum speed permitted to be travelled on the road at that time," he said.

"As at midnight last night, the Queensland road toll was 201. This is six more road deaths than at the same date in 2012 and 27 more than at the same date in 2010.

"This is not acceptable."

Last year, The Courier-Mail revealed Queensland drivers were given more leeway to speed than anywhere else in the country due to the state's antiquated camera system, which could not cope with a higher volume of fines.

Experts have also long called for the reduction, saying drivers factor in the unofficial speed limit.

Overnight it was reported that speed limits on 100 roads and highways across the state will be reviewed after Queenslanders told the Newman Government they wanted the green light to go faster.

The maximum highway speed limit might also be increased beyond 110km/h as part of the government review of speed limits, the first in 20 years.

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Transport Minister Scott Emerson revealed most of the 3300 submissions to the review wanted increased limits.

Among the changes being considered are extending the 110km/h zone on the Bruce Highway south to the Pine River, and increasing the speed limit on the Pacific Motorway.

"About 52 per cent of the submissions identified speed limits being too low and 32 per cent as being too high," Mr Emerson said.

Most of the other responses focused on too many speed limit changes on certain sections of road.

"This input will pinpoint where speed limits may need to be changed," Mr Emerson said.

"Over the next month TMR will narrow the list of thousands of roads down to 100, to be reviewed as part of our Road Safety Action Plan."

A submission by Queensland's peak motoring body RACQ included a proposal to increase speed limits on four sections of road.

Senior traffic and safety engineer Greg Miszkowycz said they included the Bruce Highway between the Gateway Motorway and Caboolture.

"That section is 100km/h and the section north of Caboolture 110km/h despite being of a lower standard," Mr Miszkowycz said.

"It seems like a mismatch and one we would like to see changed, providing a higher speed limit would not contribute to more crashes on the Gateway to Caboolture stretch."

Other roads identified by the RACQ as suitable for a higher speed limit were the Mount Lindesay Highway from Browns Plains to Park Ridge, Petrie Creek Road at Nambour and Bli Bli Road, also on the Sunshine Coast.

He said they did not include the Pacific Motorway in their submission for higher speed limits, despite previously indicating that was a road where 130km/h could be considered.

"You would first want to improve the safety of the road, possibly installing variable message type signs, and variable speed limits, to support a higher maximum speed limit," he said.

Other issues raised by the RACQ for the Government's consideration were more speed signs on Queensland roads, and an overhaul of speed management at roadwork sites.

"And then there's the problem of having to keep to the lower speed limit for a couple of kilometres after the roadworks ends."

Mr Emerson said the speed review was one of 60 actions announced as part of the Newman Government's $350 million, two-year Road Safety Action Plan.

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