Toy car, 1/24th scale, for illustrative purposes only
Maybe I need this for my novel writing? If I wanted to check someone's whereabouts and they had been driving a car, I wonder if any of the roadside technology would be of assistance.
For example, Could the authorities tell when the car left London and re-entered it, by the Congestion Charge cameras?
If I wanted to see whether the car had gone further afield, could the authorities use the green ANPR cameras (Automatic Number Plate Recognition)? I notice that they don't store the numbers unless there is, say, a missing road tax or another transgression.
There's also a set of traffic management cameras on Motorways; how long do they retain their data and how smart is it? (for example, would it know a Volvo or a Range-Rover?
It's a little more tricky to cross-check the phone records, because the mobile phone would be accessing so many masts on a long journey. However, the call log could provide the relevant information, by illustrating where the call originated, although I'm guessing that it is an infringement of human rights to use such data?
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