Question Trailers should: Answers Be overloaded to improve efficiency. Not be overloaded because it is dangerous. Not be overloaded because drivers are only paid to transport certain weights. Be loaded with all the weight directly behind the cab. Explanation Overloading a vehicle is dangerous. It can damage the vehicle and interfere with the driver's ability to control it. Take a FREE Practice Test Now This questions appears in the following tests: Massachusetts Knowledge Test Class A , District Of Columbia Knowledge Test Class B , Nevada Knowledge Test Class B ,