If you plan to transport hazardous materials, you will: Question If you plan to transport hazardous materials, you will: Answers Need to obtain a hazardous materials endorsement. Need to drive while using flashing lights. Need to wear a gas mask. Explanation You must have a hazardous materials endorsement to transport any hazardous materials that require the vehicle to be placarded. This questions appears in the following tests: Idaho Passenger Louisiana Class B Knowledge Test New Hampshire Class A Knowledge Test Oklahoma Class B Knowledge Test South Dakota Class B Knowledge Test Tennessee Class B Knowledge Test Vermont Class B Knowledge Test
