Tremont, Illinois Speed Traps
City police usually sit just inside city limit on SR-9 in an SUV, marked police vehicle. Traditional radar is employed. Late at night, they typically sit mid-city on SR-9 with all lights out. They typically clock traffic exiting I-155 coming into town. >6 MPH over posted will get you an up close visit!
The State Police and Tazewell county will sit on the abandoned railroad bed across the road and shoot radar each way.