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Recently I read an article about how the European Union has after a two-year transition period, introduced law making it mandatory for all new cars sold after 7 July 2024 to have intelligent speed assist (ISA). As a country Australia generally follows the rest of the world, often with a significant lag period, but this probably means future vehicles sold in Australia will also require intelligent speed assistance. One aspect that caught my attention was the speed tolerance. I've read one article stating the tolerance at 1.6km/h, which I couldn't find again, but I did find this article, where they mention the speed tolerance is 3%. I decided to review the tolerance into my Speed Limit Alerts web app which is currently set to 1km/h, irrespective of the current speed. The Speed Limit Alerts web app is effectively an Intelligent Speed Assist however it is not integrated into the function of the vehicle. For older vehicles in Australia (basically anything that has been bought up to now) you can enjoy the benefits of Intelligent Speed Assist by using Speed Limit Alerts in Victoria. Victoria is currently the only state where I have a reasonable comprehensive database of speed limit signs. Other states are limited using a user selected speed limit, which can still be quite useful. I use this feature for example when driving in the city where the speed limit is a 40km/h. Does 3% make sense? Initially I did, but then I revisited the Victorian road laws Depending on the type of speed camera device there is a tolerance. This tolerance isn't for us, it is for the government's equipment which needs to be correct within the tolerance. Since the government's equipment can be out by the tolerance, that means they can't fine people for driving above a speed limit by the tolerance, since their equipment is not guaranteed to be correct below the tolerance, so we get the tolerance too. There are three types of speed detecting devices. Fixed speed cameras have a tolerance of 2km/h or 2%, whichever is greater. Mobile speed cameras have a tolerance of 3km/h or 3%, whichever is greater. Speed detectors (which I assume includes police held/mounted devices) have a tolerance of 2km/h. The lowest tolerance for the difference speed detecting devices is thus 2km/h and thus the tolerance for the Speed Limit Alerts will be set to 2km/h. Whilst this doesn't seem like much of a change, it should result in a little less nagging to slow down, when driving on cruise control and the speed fluctuates. Kelvin |
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