home addresses of all vehicles that enter areas of high prostitution. Early private sector mobile ANPR applications have been for vehicle repossession and recovery, although the application of ANPR by private companies to collect information from privately owned vehicles or collected from private property (for example, driveways) has become an issue of sensitivity and public debate. Other ANPR uses include parking enforcement, and revenue collection from individuals who are delinquent on city or state taxes or fines. The technology is often featured in the reality TV show Parking Wars featured on A&E Network. In the show, tow truck drivers and booting teams use the ANPR to find delinquent vehicles with high amounts of unpaid parking fines. Laws Laws vary among the states regarding collection and retention of license plate information. , 16 states have limits on how long the data may be retained, with the lowest being New Hampshire (3 minutes) and highest Colorado (3 years). The Supreme Court of Virginia ruled in 2018 that data collected from ALPRs can constitute personal information. As a result, on 1 April 2019, a Fairfax County judge issued an injunction prohibiting the Fairfax County Police Department from collecting and storing ALPR data outside of an investigation or intelligence gathering related to a criminal investigation. On October 22, 2020, the Supreme Court of Virginia overturned that decision, ruling that the data collected was not personal, identifying information. In April 2020, the Massachusetts Supreme Judicial Court found that the warrantless use of automated license plate readers to surveil a suspected heroin distributor's bridge crossings to Cape Cod did not violate the Fourth Amendment to the United States Constitution only because of the limited time and scope of the observations. Average-speed cameras ANPR is used for speed limit enforcement in Australia, Austria, Belgium, Dubai (UAE), France, Ireland, Italy, The Netherlands, Spain, South Africa, the UK, and Kuwait. This works by tracking vehicles' travel time between two fixed points, and calculating the average speed. These cameras are claimed to have an advantage over traditional speed cameras in maintaining steady legal speeds over extended distances, rather than encouraging heavy braking on approach to specific camera locations and subsequent acceleration back to illegal speeds. Italy In Italian Highways has developed a monitoring system named Tutor covering more than 2500 km (2012). The Tutor system is also able to intercept cars while changing lanes. The Tutor or Safety Tutor is