Question Driving too fast: Answers Is a major cause of fatal crashes. Can be a good way to get to your destination quickly. Should only be done if the roadway is dry. Is acceptable in light traffic. Explanation Driving at excessive speeds is a major cause of fatal crashes. Never drive above the posted maximum speed limit and adjust your speed to fit conditions. Take a FREE Practice Test Now This questions appears in the following tests: New York Knowledge Test Class A , Kansas Bus , Nevada Tank , Wisconsin Passenger ,