Apollo Beach, Florida Speed Traps

I have seen several persons pulled over on I 75 both northbound and southbound by unmarked vehicles. usually Crovn Victorias but also use Ford SUV. I drive this stretch everyday to go to work. My co worker was ticketed. She says the ticketed speed was higher than actual speed. This takes place between exits 240 and 247. These are SR 674 and Big Bend Rd ,respectively. Hope this helps others.