A story from the Baltimore Sun from Geico’s “gift” of radar gun:
http://articles.baltimoresun.com/1992-06-14/news/1992166072_1_laser-speed-gun-picha-laser-units
Since this exposure towns learned they can create income from taxing people that travel at a high rate of speed when in fact scientific federal sponsored studies show and declare freeways (interstate highways) are safer at higher rates (Design Speed Operating Speed Posting Speed ) ASSHTO GREEN BOOK CHAPTER 8 GENERAL DESIGN CONSIDERATION section Design Speed higher design speeds are desirable because higher design speeds are closely related to overall safety of a facility (freeway).