[skyking]

Don, thanks for posting. The loading dock is the big problem, and making a "transformer" like trailer is the only and non-practical answer that I can see. If you could count on high overhead clearance at the dock or backing to the dock, you could retract a fairing up and over the roof. Unfortunately this is never the case. Can't make it retract to the sides because you are backing the dock with other trucks, etc.
have you looked into a sliding side system that retracts boat tail panels into the respective sides and roof? It would reduce the loading area width a bit but the rest of the trailer would be unmolested.