I used to rig tower sections and blades for wind towers for my buddies trucking company. 3 feet!?!?! All I can say is holy crap!!! What was the race team thinking??? When my buddy ordered permits the length/height had to be to the nearest inch and also EVERY axle had to be in the right spot. If they weren't the DOT would/could shut you down. Yes, some states are much more lenient than others, but once you have a Class A CDL you need to know all rules and regulations, IGNORANCE is not an acceptable excuse.