What is the primary purpose of radar in law enforcement?

The primary purpose of radar in law enforcement primarily centers around its ability to measure the speed of moving vehicles. This application is critical for maintaining traffic safety as it allows law enforcement officers to enforce speed limits effectively. When utilizing radar, officers can accurately determine how fast a vehicle is traveling, which helps in identifying speed violations.

While radar can be associated with various applications in law enforcement, such as monitoring traffic patterns or, in some cases, tracking suspected vehicles, its most recognized and widespread use is in speed detection. This function supports the goals of accident prevention and promoting safe driving, which are fundamental aspects of law enforcement's role on the roads.

Other applications, like tracking suspects or detecting illegal substances, involve different methods and technologies that are outside the primary function of radar systems. Thus, measuring speed stands out as the central use of radar in traffic law enforcement.