Why do you think States, like California, have a maximum speed of 55-mph when towing? Someone told me that the tires on most trailers, including semi-trucks, are not made for speeds over 55-mph; is th...
Weight may or may not play into ability to stop depending on equipment. However travelling 10 to 15 mph slower will always stop faster and shorter in all conditions.
I use the cruise control to avoid creeping up in speed.