Deploying speed cameras in urban areas saves vast amounts of money as well as lives, according to a two-year cost benefit analysis carried out in Barcelona, Spain. Barcelona, with an extensive urban area, is typical of many cities in the developed world. There are over 10,000 motor vehicle accidents annually with more than 12,000 people injured every year and less than 50 deaths. Economically, the cost of traffic accidents in Barcelona is over €300M a year.
