This is more obvious for the HADEC 3 cameras that will flash you, but also applies to some average checks. Driving the speed limit helps, although there may be a few mph tolerance on most camera, it's unwise to test the limits. Have you been paying attention? You can't 'beat the system' if you pass between point A and point B you need to average 50mph or less to not be fined. If you've been averaging 50mph on your speedo the entire distance and by the end you've crept up to 55mph without realising, you'll still average within the limits over the total distance.
Don't cause an accident by hitting your brakes at the end for the cameras. This site uses cookies and related technologies for site operation, analytics and third party advertising purposes as described in our Privacy and Data Processing Policy. You may choose to consent to our use of these technologies, or further manage your preferences.
To opt-out of sharing with third parties information related to these technologies, select "Manage Settings" or submit a Do Not Sell My Personal Information request. How do Average Speed Cameras work? Secret Hack to average cameras The clue is in the name.
If you drive at 90mph through the first checkpoint and 50mph through the second checkpoint you'll have averaged 70mph over your total distance given equal amounts of 90mph and 50mph driving Say you cross the first checkpoint at 50mph, and the last checkpoint at 50mph but it only took you 4 mins to cover the 5 miles of average speed zone - your average speed is 75mph.
How do average checks monitor speed? SPECS 3 cameras can be 75m apart for more accurate readings. What about temporary speed limits? Can cameras see me at night? How can I get away with speeding? Skip to navigation. Anyone wanting to avoid being caught out by speed cameras can do so very simply - by obeying the speed limits. But University of Leicester physics students have suggested that - theoretically, at least - there may also be another way of avoiding getting a ticket.
A group of four MPhys students found that drivers could escape detection by driving so fast that their number plates would appear invisible to speed cameras. But any drivers tempted to give this a try next time they are on the motorway should be warned; the car would need to be travelling at million miles per hour to make the number plate invisible. This speed equates to one sixth of the speed of light — and no man-made vehicle is capable of going anywhere near this speed.
Their calculation is based on the Doppler Effect — the physical effect where the frequencies of light or sound waves emanating from an object increase or decrease when it moves towards or away from you.
This effect is at work when you hear an ambulance — its siren will appear to lower in pitch as it drives past you. The faster an object is travelling, the bigger the shift in frequency. The body beautiful. Red tape, white lies. Speculative science. This sceptred isle. Root of all evil. Ethical conundrums. This sporting life. Stage and screen. Birds and the bees. ALTHOUGH this may not be the answer you are looking for, if you travel within the speed limit you have nothing to fear from speed cameras.
Dave Costin, Reykjavik, Iceland dave memphis.
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