
1 
This Order may be cited as the Road Traffic Offenders (Prescribed Devices) Order 1999 and shall come into force on 1st March 1999.
2 
The following device is hereby prescribed for the purposes of section 20 of the Road Traffic Offenders Act 1988, that is to say, a device designed or adapted for recording a measurement of the speed of motor vehicles by–
(a) capturing by means of unattended cameras images of the motor vehicle at each of two pre-determined positions on the road;
(b) digitally recording each image and the time at which it is captured; and
(c) calculating the average speed of the motor vehicle over the distance between the two positions mentioned in paragraph (a) above by reference to the times mentioned in paragraph (b) above.
Paul Boateng
Minister of State
Home Office
26th January 1999