UPDATE 21st January 2009
Motorist beats 98mph charge
UPDATE 7th February 2007
MCN has the following.
QUOTE
Frank Garratt admitted the speed meter can make a host of errors including ‘slip’ error.
UPDATE 12th September
BBC Inside Out broadcast a follow-up program about the accuracy of the LTi 20-20 and a RealPlayer video of the relevant part of the programme is available for download here (38Mb).
There is a lower resolution WMV file available here. (3.68Mb)
There is also an article about this program on the BBC Inside Out Website.
Inside Out – BBC South West: Monday February 28, 2005:
NOTE A 16Mb RealPlayer clip from the programme, can be downloaded from this link.
“Mobile speed cameras are increasingly being used by the police to enforce speed limits, but how accurate are they?
We look at these cameras and see if their claims of accuracy are themselves accurate.”
You may also find this recent Wiltshire case of interest - the Crown dropped the charge, rather than disclosing the traffic video.
Watch the video in this case carefully and decide for yourself. Did the motorcycle decelerate from 107 mph to 87 mph, without braking?
You may also find this US case of interest – “Laser Loses a Legal Test”
We can also provide the recording as a SVCD, which will play in most DVD players.
The result of the case was as follows:
Guilty of travelling at 107 mph
Disqualified from driving for 28 days
£500 fine and £1000 costs - the prosecution asked for £2000 costs.
The defendant couldn't afford to go to appeal and in any case, at the time, Mr Garrett was the only recognised "expert" on the LTi 20/20 in this country. That may have changed now.