Colorado Permit Test 4 Question With a Class C driver license, a person may drive: Answers A three-axle vehicle if the Gross Vehicle Weight is less than 6,000 pounds. Any three-axle vehicle, regardless of the weight. A vehicle pulling two trailers. Explanation A person with a Class C license may drive a three-axle vehicle if it weighs 6,000 pounds or less. Answer Statistics 15.82 % of our users get this question wrong. This questions is relatively Easy. Colorado Permit Test This questions appears in the following tests: California Practice Test