Warrior:
copper holding a camera.
A few points to think about by way of defence…………….
The signal (camera/radar) can be reflected by stationary objects such as road signs or advertising hoardings……….as a safeguard, police officers operating these devices are instructed to pick sites which have a clear view of traffic, and are away from any large objects as described, which are close to the equipment………….radio interference is another consideration the operator must take. The presence of high voltage overhead lines, transmitting masts, and high power radar transmitters should be noted, and those locations avoided………….
Apart from finding a suitable location, the operator is expected to follow certain techniques to ensure correct readings are recorded on the equipment:
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It must be operated by an officer on foot, not from a vehicle. There may have been some recent changes to this rule.
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It must only be used when one vehicle is isolated in the field of view of the device.
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Should there be more than one vehicle in the field of view, the check should be aborted.
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An operator must not measure and make detections for prosecution when more than one vehicle is within detection range.
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The equipment is not to be pointed along the road, randomly waiting for a vehicle to appear. The device is intended to corroborate the prior opinion formed by an officer as to the speed of an approaching vehicle.
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When a speed is indicated on the display it must be held towards the approaching vehicle for at least three seconds.
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It follows from the previous point therefore that the distance the operator can see along a road must amount to sufficient to cover:
a) Initial observation of the vehicle and assessment of its speed.
b) The distance the vehicle travels during its three second check.
c) The stopping distance when signalled to stop.
In the case of a vehicle travelling at 45 mph the total distance will be 104.8 metres (b+c) plus the distance travelled during the initial observation period (a) which could be another three seconds, making a total of 165.1 metres.
Calibration.
The equipment must be calibrated every year and a certificate issued. A sticker will also be attached to the device.
Additionally, it must be checked against a police car fitted with a calibrated speedometer prior to commencement of any period of use for enforcement. The way this is done is for the police car to be checked on the measured mile……………
The speed check will be compatible with the speeds reasonably expected at the location where it is intended to use the equipment. The police car is driven towards the operator at a predetermined speed — say 30 mph - and the speed checked on the equipment.
Two officers are required to carry out this check — one to drive the car, the other to operate the device. The calibration check must be recorded in the officers’ notebooks. There are many occasions when two officers are not available and the check is not carried out.
In the event of any of the above operating requirements not being met, a case could be argued before magistrates that your speed has been misread. Introduce doubt regarding the manner in which your speed was recorded, and the decision could easily be in your favour.
To be honest Warrior, at only 2 mph over the limit, and taking into account the above, let alone the argument of factory fitted (i.e. not calibrated) mass-produced car speedo’s, in your daughters position i’d be tempted to contest it in front of the magistrates.
If you want this for future reference, print it off as I can’t face typing it again!!
