It shall be unlawful for any person or peace officer or law enforcement agency, except the Mississippi Highway Safety Patrol, to purchase or use or allow to be used any type of radar speed detection equipment upon any public street, road or highway of this state. However, such equipment may be used:
1. By municipal law enforcement officers within a municipality having a population of two thousand (2,000) or more upon the public streets of the municipality;
2. By any college or university campus police force within the confines of any campus wherein more than two thousand (2,000) students are enrolled;
3. By municipal law enforcement officers in any municipality having a population in excess of fifteen thousand (15,000) according to the latest federal census on federally designated highways lying within the corporate limits.
The Mississippi Highway Safety Patrol will not set up radar on highways within municipalities with a population in excess of fifteen thousand (15,000) according to the latest federal census.