Buckinghamshire CC ANPR cameras

Roland Perry lists at internetpolicyagency.com
Sun Jan 8 09:43:56 GMT 2012

In article <20120107180303.7806668d at peterson.fenrir.org.uk>, Brian 
Morrison <bdm at fenrir.org.uk> writes
>Trafficmaster claims that they tokenize the central part of the
>registration plate only, but I don't know for certain about this. Some
>time ago I recall a murder trial involving a murder in Scotland where
>the suspect(s) travelled up the motorways from England to Scotland and
>that the police were able to obtain evidence of their vehicle movements
>from Trafficmaster.

That's essentially the same as the 24-bit hash used by the Highways 
Agency, which while not unique to every vehicle is plenty good enough as 
evidence in a murder investigation.
Roland Perry

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