In 11 yrs. of RV'ing, I just don't get the excessive speeding either. We weigh in at 55,500 lbs. plus the toad of 4,200 lbs. I roll between 55-65 mph depending on the posted speed. In California, 55 mph is max while towing. In other States, I'll max out at 65 whether the speed limit is 65 or...