sentences:  The speed limit on the A616 is enforced using a digital speed camera system called SPECS, which calculates the average speed of a vehicle over the distance travelled between two cameras using automatic number plate recognition (ANPR) technology.After the installation of the cameras, the proportion of people driving above the speed limit on the road dropped from 45% to 4% and only one person died between their installation in 2002 and 2005.This is compared with almost two a year before they were installed.