I went to the NTCI (National Transportation Consultants, Inc.) company that is located in my home town. They were listed in one of the many previous posts on this subject. They were at one of the trade shows and expressed an interest in helping us racers with this issue. I wrote up several scenarios (truck/trailer, motorhome/trailer, etc) for them which they put together and sent to the FMCSA (Federal Motor Carrier Safety Administration)as questions to be answered and ruled on. This was over a year ago and they still have not received any answers from the Feds. As they have said, "The wheels turn slowly out there." (Washington). I will continue to monitor and let you know if we get any answers. Thanks! MFR426