In article <4EAE650583BED2119DB2000629C1044C049964E5@mail.ntce.edc>,
"Catchpole, Pat" <Pat.Catchpole@ntc-europe.co.uk> writes
>Mike
>
>To find a pre-calibrated bit of road look no further than your local dual
>carriageway. You should find a bit, generally nice and straight, where the
>local authority have provided 2 white blocks painted in the centre of the
>lane 1/3 mile apart (I think, it may vary). These are used by the local
>constabulary to spot cars going over and roughly estimate the speed from
>remote cameras. 60mph = 20 seconds of course, perfect for what you need.
Ah, I often wondered what those were for. I shall go and find some
forthwith!
ATB
--
Mike
Michael Hargreave Mawson, author of "Eyewitness in the Crimea"
http://www.greenhillbooks.com/booksheets/eyewitness_in_the_crimea.html
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