Trussville police HAS been seen on interstate before. May or may not be operating in the future. If ticketed you might want to talk to an attorney about the following Code of Alabama – Title 32: Motor Vehicles And Traffic – Section 32-5A-171. A judge HAS ruled over Trussville and the previously stated code, but I do not know of any other judgments in the past 3 months. I am not an attorney and the decision is yours. My last comments were deleted without explanation and no e-mail contact to know why. I hope this is acceptable message to help the public.