Question Hazardous materials may be transported: Answers By any driver with a CDL. By a driver with a CDL and hazardous materials endorsement. In rural areas by any driver. Explanation You must have a CDL with a hazardous materials endorsement to operate a vehicle of any size that is used to transport hazardous materials. This questions appears in the following tests: Alaska HazMat Arizona HazMat Arizona HazMat Iowa HazMat Kentucky HazMat Louisiana HazMat Maryland HazMat Nebraska HazMat New Hampshire HazMat Oklahoma HazMat Vermont HazMat