Discover the Secret: What are Those Mysterious Black Cables Across Aussie Roads Really For?

Have you ever driven down an Australian road and noticed those peculiar black cables stretched across the pavement? If you've found yourself pondering their purpose, you're not alone. Many Aussies have speculated about these mysterious lines, with some even entertaining the idea that they're part of a covert surveillance operation. But fear not, fellow citizens, because these cables are not the watchful eyes of Big Brother but rather a critical tool for traffic analysis known as 'traffic tubes'.



These traffic tubes have been a staple on our roads for decades, quietly collecting invaluable data on traffic patterns and vehicle speeds. Contrary to the musings of conspiracy theorists, the information gathered by these tubes isn't used to penalize individual drivers. Instead, it serves a much more constructive purpose.


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Do you have an idea what these black cables do? Credit: drive.com.au


Local councils, state governments, and even private organizations utilize these tubes to gain insights into the flow of traffic on a given stretch of road. According to Chris Miller, a spokesperson for Transport Victoria, these tubes are quite sophisticated. 'They count cars, but they are also able to classify the type of vehicle running over them as they can count the axles, so they will know if it's a car, a B-double or a car with a trailer,' he explained to Drive.



The data collected isn't just about numbers; it's about understanding driver behavior. If the tubes detect a trend of excessive speeding or vehicles moving well below the speed limit, it prompts an investigation into the cause. Is there a safety issue? Could the road design be contributing to congestion or accidents? These are the types of questions traffic analysts seek to answer.

The implications of this data are far-reaching. It can influence decisions to implement traffic calming measures, such as the installation of zebra crossings, or to justify road upgrades. For businesses, especially those in the service industry, understanding traffic flow is crucial for determining the optimal location for entrances and exits to new establishments.

So, the next time you spot these pneumatic road tubes, remember that they're there for a reason. They could be part of a study to improve infrastructure, a response to concerns about road safety, or an effort to alleviate traffic congestion. They might even be assessing the suitability of a road as a shortcut, commonly referred to as a 'rat run', which drivers use to bypass busier streets or tolls.



The bottom line is that these tubes are not spying devices; they're essential tools for making our roads safer and our commutes more efficient. 'There's no way on earth they're used for speeding enforcement,' Mr Miller reassured.

At the Seniors Discount Club, we understand the importance of staying informed about the world around us, especially when it comes to changes in our local areas that may affect our daily lives. So, the next time you drive over one of these black cables, take a moment to appreciate the silent work they're doing to improve our roadways.

Key Takeaways
  • Black 'traffic tubes' seen across Australian roads are used for collecting information on traffic patterns and vehicle speeds, not for spying on individuals.
  • Traffic tubes help councils, state governments, and private organisations analyse road conditions and classify different types of vehicles.
  • The data obtained from the tubes can lead to traffic management changes or infrastructure upgrades but is not used for individual speeding enforcement.
  • Public concerns about the purpose of these tubes are addressed with reassurance that they exist to improve overall road safety and efficiency, rather than target individual drivers.

We'd love to hear from you, our readers. Have you noticed these traffic tubes in your area? What changes have you seen on your local roads that might have been influenced by the data these tubes collect? Share your thoughts and experiences in the comments below, and let's keep the conversation going about the unseen ways our communities are being shaped for the better.
 

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Didn't they once upon a time have two of these types of cabling running across roads to catch speeding drivers....??;)
I worked for a Company many years ago that used to provide them to the local authorities etc and we used to service the tubes when they were damaged or badly worn. They were never ever designed to trap speeding traffic as they could not actually recognise individual vehicles but people thought that they could. The thought was that they were connected to a camera system hidden in the surrounding structures, trees, buildings, light poles etc so the effect mostly was thought to be calming on speeding motorists. There was actual data though that showed many drivers would speed up to get away from any effect of the mystery tubes as quickly as possible. :)
 
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I worked for a Company many years ago that used to provide them to the local authorities etc and we used to service the tubes when they were damaged or badly worn. They were never ever designed to trap speeding traffic as they could not actually recognise individual vehicles but people thought that they could. The thought was that they were connected to a camera system hidden in the surrounding structures, trees, buildings, light poles etc so the effect mostly was thought to be calming on speeding motorists. There was actual data though that showed many drivers would speed up to get away from any effect of the mystery tubes as quickly as possible. :)
Well I recall them being used as speed traps....they had police on foot recording their speed and many were booked.....lots of drivers, upon seeing them on the road took to heavy braking going over the first cable in particular to attempt to damage the cable on the roads and disrupt the readings.
 
Well I recall them being used as speed traps....they had police on foot recording their speed and many were booked.....lots of drivers, upon seeing them on the road took to heavy braking going over the first cable in particular to attempt to damage the cable on the roads and disrupt the readings.
No there is no discernable way of reading individual speeds without first downloading the information into a fairly sophisticated computer program off-site. The reading that is measured by the control boxes is simply to indicate driver activities in that specific area and is used for improving traffic flow in the area or for imposing speed humps in the road to generally slow people down. There have been a few times when police patrols will set up radar systems near to the systems which is a whole separate area. Just shows though that the rubber hoses over the road do cause the guilty drivers to respond to the possibility of a warning.
 
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No there is no discernable way of reading individual speeds without first downloading the information into a fairly sophisticated computer program off-site. The reading that is measured by the control boxes is simply to indicate driver activities in that specific area and is used for improving traffic flow in the area or for imposing speed humps in the road to generally slow people down. There have been a few times when police patrols will set up radar systems near to the systems which is a whole separate area. Just shows though that the rubber hoses over the road do cause the guilty drivers to respond to the possibility of a warning.
I still recall back in the late '60s and '70's that the Police in Victoria used two black cables on the road to catch speeding drivers...know as SPEED TRAPS....drivers were given speeding tickets on the spot if their speed over distance was unacceptable to the existing speed laws.
 
No there is no discernable way of reading individual speeds without first downloading the information into a fairly sophisticated computer program off-site. The reading that is measured by the control boxes is simply to indicate driver activities in that specific area and is used for improving traffic flow in the area or for imposing speed humps in the road to generally slow people down. There have been a few times when police patrols will set up radar systems near to the systems which is a whole separate area. Just shows though that the rubber hoses over the road do cause the guilty drivers to respond to the possibility of a warning.
Thanks for the info from your experience :)
 
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Absolutely, I was nabbed 3 times, back then. Once at 70 mph in my old Valiant. 😵‍💫
Loved the old Valiant, my very first car was a Valiant Charger which I purchased for just under $2000 from memory, it was a demo car with 1700 miles on the clock, yeah they could go alright.;)
 
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Loved the old Valiant, my very first car was a Valiant Charger which I purchased for just under $2000 from memory, it was a demo car with 1700 miles on the clock, yeah they could go alright.;)
This one was a bit older than a Charger. It was an AP6 Regal with the old Slant 6. Any Charger was a lot more powerful than an AP6.😟
 
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