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. Take a FREE Practice Test Now This questions appears in the following tests: Kentucky HazMat , New Mexico HazMat , Vermont HazMat , Virginia HazMat ,