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SafeZone - FAQs

Q: Is SafeZone intended to be replace existing road-side speed limit or other advisory signs?

No. Speed advisory signs are required by law to advise drivers of the existence of a School Zone, Railway Crossing, Pedestrian Crossing (etc) and the speed limits in force in that area. A 'SafeZone'  solution is not designed to replace those signs, but to provide supplementary warnings that are more easily seen and that more effectively modify driver (and/or pedestrian) behaviour to ensure compliance with those mandatory signs. By using flashing beacons as the primary warning element - whether they be road-side or in-pavement - and by allowing designers to choose between a range of warning device types, 'SafeZone' simply delivers more easily seen 'supplementary' warnings that have been shown to more significantly modify driver behaviour.

Qu: Could SafeZone in-road beacons (IRADs) be used in place of flashing roadside speed signs?

In all states of Australia, road authorities consider 'SafeZone' as a supplementary system, meaning it can be used in conjunction with existing road-side or over-road lights, but not replace them. This means that in practice, IRADs can't replace statutory road-side or over-road signs.

However, 'SafeZone' Active Advance Warning Signs, which are signs fitted with 'SafeZone' flashing beacons, can be used as primary warning signs, eg when indicating a railway crossing ahead, or when used to control flashing wigwags at a railway crossing.

Qu: Why use storage batteries for the in-road beacons (IRADs), rather than solar cells or external power?

Current commercially-viable solar panels simply are not capable of providing the power required to drive the ultra-bright flashing LED array used in our IRADs. The storage cell technology used in our IRADs allows them to operate for several hours a day, for a number of years, before they need replacing. This obviates any need for providing external power, which is expensive, time consuming, and prone to cause structural issues with many roadways, especially thinner bitument roads laid on campacted roadbase without structural reinforcing below.

As a separate issue, our road-side active warning signs use solar panels to charge the on-board batteries, meaning these signs can operate indefinitely on solar power, in most cases. External power can be used, but again, this would dramatially increase both installation times and costs, with little, if any, operational benefit.

Qu: Are SafeZone in-road beacons (IRADs) a hazard for motorcycle or bicycle riders?

No. Road testing confirms that their low profile, gradually sloping faces (leading and trailing) and anti-skid surface are not a hazard. No incidents have ever been reported involving bicycles or motor cycles.

Qu: Does the SafeZone wireless system require a radio licence or cause interference with other wireless systems?

Because of the frequency spectrum within which SafeZone operates, no licence is requried. And because the system is not always on, and uses a very low wattage signal that is encoded, real-world installations show no instances of interferencing with, or interference by, other wireless systems, such as CB radio transmitters, garage door openers, emergency warning systems, medical devices, paging systems, etc.

Qu: Is SafeZone a 'greener' solution?

If a significant reduction in materials, consumables and energy used in the manufacture and installation of a 'SafeZone' system equates to being a 'greener' solution - because all these reductions add up to significantly less carbon dioxide emissions and production of wastes and contaminants - then yes, 'SafeZone' is a greener approach to enhancing safety when compared to either hard-wired beacon systems or boom gates.

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