How new $30m Kuranda Range smart speed limit signs will work
Testing of a $30m Intelligent Transport System upgrade on Kuranda Range is now underway. Find out exactly how the Far North first system will work.
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Testing of a $30m Intelligent Transport System upgrade on Kuranda Range is now underway.
First announced in January 2022 under the Cairns to Northern Tablelands Access Strategy, the series of hi-tech variable speed limit signs can change the usual 60km speed limit on wet and foggy days to minimise the risk of crashes, which potentially hold up traffic for hours while emergency services and tow trucks clear the roadway.
The newly implemented technology is a first for Far North Queensland, integrating traffic monitoring cameras, traffic monitoring loops and weather stations that will provide real-time road conditions to the Cairns Traffic Management Centre.
During this testing phase, motorists will notice the flashing red circle on the variable speed signs, indicating the speed limit has changed from the standard speed limit.
When the electronic sign is blank, the fixed sign below sets the speed limit.
The variable speed limit is subject to change at any time, yet adjustments will be gradual, affording drivers ample time to adapt smoothly, according to Transport and Main Roads.
The Intelligent Transport System will alert the traffic command centre when traffic is slowing down or stopping, road hazards, or deteriorating weather conditions on the range.
The variable speed limits are enforceable.
Acting TMR regional director of North Queensland Ross Hodgman said the new technology will allow rapid detection and management of incidents, including landslips and traffic crashes.
“The installation of the ITS technology will allow rapid detection and management of incidents,” he said.
“It is expected the ITS treatments will reduce the number of closures and shorten the closure times.”
The Intelligent Transport System technology is expected to be fully operational in early 2024, pending the results of the testing phase.
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Originally published as How new $30m Kuranda Range smart speed limit signs will work
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