The Expert will be specific knowledgeable people at the Department of Transport, Arrive Alive Communications, the Road Traffic Management Corporation or others who might have the expertise to answer the question.
Typical in this environment and with this topic you will always have two camps. In KZN we remove the detecting device and send it for testing by an independent lab, if the device which in some cases is built into the vehicle, most often the grill can read laser frequencies we charge the owner for defeating as the driver would have NO other reason for fitting such a device or activating such a device.
There are hundreds of R T Act compliant speed (max speed) road traffic signs round the country not to mention hundreds of thousands of barrier lines, all that is required is to lift the right foot off that pedal. In the days of radar there was legislation in the old Radio Communications Act that precluded any one from receiving such a signal. We have friends ,covert operators who work from home P C”s who populate these GPS devices with the location of several false speed enforcement sites, to stay up with the game the GPS owner has to keep uploading new sites every week. And so the cat and the mouse play. The new RT Act amendments will specifically out law such warning devices we expect it to be enacted in time for April.
