Police are yet to reveal when new generation speed cameras will be installed in the South.
Work began on Auckland's sites for the new cameras last week.
However, police were keeping mum on when and where the new cameras would be installed in the Southern district.
A police spokeswoman said consultation on the locations of the cameras was ongoing.
''These should all be in place by the end of next year,'' the spokeswoman said.
''We will be making the locations public as soon as they are confirmed and the necessary site assessments are complete.''
So far, six locations in Auckland and six in Wellington have been chosen, with the first camera becoming operational in Ngauranga Gorge, Wellington, in July.
Forty-four additional locations for the cameras will be chosen as part of the second phase of the installation of the cameras, which is costing $10 million and expected to be fully operational by April 2016.
Auckland's six cameras were expected to be operational sometime in November.
Road policing national manager Superintendent Carey Griffiths said the new cameras used a dual radar system to monitor up to six lanes of traffic flowing in both directions.
Unlike existing speed cameras, which used wet film, the new cameras took digital images which were sent wirelessly through a secure network.
They could detect heavy and towing vehicles, and created no visible flash.
Road Policing Assistant Commissioner Dave Cliff said the cameras were being introduced as part of the Government's Safer Journeys strategy, which aimed to reduce the road toll and instances of serious injury.
''International research is clear - speed cameras reduce traffic speed and road crashes, and help to reduce injury severity,'' he said.
''Small reductions in speed greatly reduce the likelihood of a crash and increase the chances of surviving crashes that do occur.''
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