When you consider the real reason you are getting the ticket isn't that you were speeding, everyone else was as well, but that you are an easy money with an out of state plate or maybe the color of your skin wasn't appreciated by the officer. Now, real speeding tickets are given for people who are violating even the extended limits, but for the reality is that legal realism + over arching laws + selective enforcement means that the law actually is that being the wrong skin color or from the wrong location or displaying the wrong political bumper sticker is a ticketable offense as long as the officer doing so is being discrete enough.