Speed radar guns are primarily used by law enforcement agencies to enforce speed limits and detect speeding violations. However, there are also a number of other users of speed radar guns, including:

1. Transportation Planners: Transportation planners may use speed radar guns to collect data on traffic flow and congestion. This information can be used to improve roadway design, optimize traffic signals, and reduce congestion.
2. Traffic Engineers: Traffic engineers may use speed radar guns to collect data on vehicle speeds and traffic patterns. This information can be used to identify areas of congestion, improve roadway safety, and optimize traffic flow.
3. Racing Teams: Racing teams may use speed radar guns to measure the speed of their vehicles during practice runs and races. This information can be used to optimize vehicle performance and improve race times.
4. Sports Coaches: Sports coaches may use speed radar guns to measure the speed of athletes during training sessions. This information can be used to monitor progress, identify areas for improvement, and optimize training programs.
5. Security Professionals: Security professionals may use speed radar guns to monitor the speed of vehicles entering or exiting a secure area. This can help to improve security and prevent unauthorized access.

It’s important to note that the use of speed radar guns may be subject to legal and ethical considerations, and that the results of a speed radar gun should always be interpreted in conjunction with other factors, such as road conditions and driver behavior. Additionally, the accuracy and reliability of speed radar guns can vary depending on factors such as weather conditions and the angle of the radar gun relative to the target object.