No, average speed cameras don't officially allow a 10% buffer; it's a myth, as you can be fined for going even 1 km/h over, but in practice, many forces apply a slight tolerance (like 2-3 km/h or a small percentage) for calibration, though this varies by region and police discretion, so assume zero tolerance for safety. The '10% plus 2' rule is more about speedometer inaccuracy and general enforcement policy, not a guaranteed free pass.
Speed camera margins of error (or "tolerances") vary by location and camera type, often allowing a few km/h or a small percentage (e.g., 3 km/h for mobile, 2 km/h for fixed in some Australian states) off the recorded speed to account for device inaccuracy, but this isn't guaranteed and can change, so the safest bet is always to drive the posted limit to avoid fines.
Speed camera tolerance refers to the margin of error or buffer added to a vehicle's detected speed before a fine is issued, typically around 10% plus a small fixed number (e.g., 2-3 mph/km/h) for guidance, though this varies by region and police force, with some locations having specific rules (like 2 km/h for fixed cameras in Victoria) or no official tolerance at all (like WA). This buffer accounts for speed camera inaccuracies and vehicle speedometer variations, but it's only guidance, and police can choose stricter enforcement.
This tolerance deducts two km/hr from a vehicle's detected speed for fixed digital safety cameras. For mobile cameras, a tolerance of three km/hr or three per cent for speeds over 100km/hr is deducted. Police can also apply an additional tolerance at their discretion.
They may also be placed at the beginning and end of a road with a lower speed limit than those around it. This means that drivers cannot simply slow down when they pass the camera - they must drive at or below the speed limit along the entire stretch of road to avoid incurring a penalty.
Speed camera tolerance refers to the margin of error or buffer added to a vehicle's detected speed before a fine is issued, typically around 10% plus a small fixed number (e.g., 2-3 mph/km/h) for guidance, though this varies by region and police force, with some locations having specific rules (like 2 km/h for fixed cameras in Victoria) or no official tolerance at all (like WA). This buffer accounts for speed camera inaccuracies and vehicle speedometer variations, but it's only guidance, and police can choose stricter enforcement.
The "best" excuse for a speeding ticket appeal is usually a legally recognized defense, like a medical emergency, an unavoidable situation (e.g., vehicle breakdown), or proving the speed detection equipment was faulty, as these address the circumstances of the offense, not just an excuse. Common, though less reliable, excuses involve "I didn't see the sign" or "keeping up with traffic," but these often fail in court; being respectful and challenging the evidence (like radar calibration) offers a better chance.
No, legally you cannot go 5 km/h over the speed limit, as any amount over the posted limit is a speeding offense, but enforcement often has a small tolerance, so you might get away with it, though it's a risk because some areas (like Victoria) are strict, and cameras can catch even slight infringements, with increasing penalties for higher speeds.
Fixed speed cameras are usually aimed at a specific patch of road within about 100 metres, indicated by dashed white evenly-spaced road markings. Mobile cameras, including vans, can typically detect from a mile away.
Average speed cameras use two cameras to measure the amount of time it takes a vehicle to travel between two points on a stretch of road. 🔍 The cameras are subject to rigorous testing and certification.
No, driving 10 km/h under the speed limit isn't inherently illegal, but it can become an offense if it unreasonably obstructs traffic, meaning you're causing congestion or disrupting the flow, especially if you're in the wrong lane or on a fast road without good reason. There's no set minimum speed, but police can fine you under laws like Australia's Rule 125 for impeding other drivers, making the legality dependent on road conditions and your actions.
A Band A speeding fine would be appropriate if you were caught speeding between 31-40 mph in a 30-mph zone. Providing you accept responsibility for speeding, you will be required to pay a minimum £100 fine and receive three points on your licence.
A speed camera can typically detect a speeding vehicle from around 100 to 500 metres away, depending on the device type, weather, and road conditions. In Australia, speed cameras use radar or laser-based systems capable of measuring a vehicle's speed across multiple lanes.
Myth: you can only receive one penalty over for speeding over a stretch of road with average cams. Reality: average speed cameras work in pairs, detecting how long it takes to cover a certain distance; but a single zone can have multiple pairs of cameras, potentially leading to multiple speeding penalties.
These incidents highlight that while speed cameras are generally reliable, they are not infallible. This opens up the possibility of challenging fines in certain circumstances. It's important to note that speed cameras in NSW undergo regular testing and calibration to ensure their accuracy.
So if your true speed is 40mph, your speedo could legally be reading up to 50.25mph but never less than 40mph. Or to put it another way, if your speedo is reading 50mph, you won't be doing more than 50mph but it's possible you might actually only be travelling at 40mph. Your car's speedometer rarely tells the truth.
Here are possible defense themes for challenging a speed camera ticket:
Speed camera margins of error (or "tolerances") vary by location and camera type, often allowing a few km/h or a small percentage (e.g., 3 km/h for mobile, 2 km/h for fixed in some Australian states) off the recorded speed to account for device inaccuracy, but this isn't guaranteed and can change, so the safest bet is always to drive the posted limit to avoid fines.
Speed camera tolerance refers to the margin of error or buffer added to a vehicle's detected speed before a fine is issued, typically around 10% plus a small fixed number (e.g., 2-3 mph/km/h) for guidance, though this varies by region and police force, with some locations having specific rules (like 2 km/h for fixed cameras in Victoria) or no official tolerance at all (like WA). This buffer accounts for speed camera inaccuracies and vehicle speedometer variations, but it's only guidance, and police can choose stricter enforcement.
You can get a speeding ticket for going any amount over the limit, but most places have a small tolerance (like 10% + 2 mph or a few km/h) before enforcement cameras consistently catch you; however, a police officer can ticket you for even 1 km/h over, especially in school zones or for higher speeds, leading to fines, demerit points, or license suspension.
Speed limits are enforced in all areas of the country. Tolerance is about 6 km/h in urban areas and 9 km/h on highways depending on regulations of respective state such that driver driving on or below the tolerance speed will not receive a ticket.
The minimum speeding fine varies significantly by location (state/territory in Australia, for example) and how much you exceed the limit, but generally starts around $100 AUD for exceeding the limit by the smallest margin (e.g., less than 10 km/h), with some areas like Western Australia having no demerit points for this smallest infraction, while NSW might have a $93 fine for similar minor speeding, and South Australia starts at $187 with points.
The most believable excuses are short, specific, and tied to legitimate responsibilities or unavoidable situations. Examples include sudden illness, a medical appointment that couldn't be scheduled outside work hours, urgent family needs, or car/transportation issues.
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Save Lives
Slowing down increases the likelihood of surviving a crash. Researcher Rune Elvik found that a 1% decrease in travel speed reduces injury crashes by about 2%, serious injury crashes by about 3% and fatal crashes by about 4%. Over 12,000 people died in speed-related crashes in 2008.