You haven't seen a Revenue Racket until you've driven through Hitchcock, TX. 6300 people, 2400 households, 12 cops and a 5-mile stretch of I-45 between Houston and Galveston in their jurisdiction. Strangely, the speed limit on that portion of I-45 was 45 miles per hour the entire time I was in college and at any given time four of those police officers were running a speed trap on one of the overpasses there.