Do you currently have car insurance? Insurance is mandatory to drive in California Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Where on a truck should placards be placed? Answers On the rear On the left and right sides On the front All of the above Explanation When hazardous materials placards are required, they must be placed on all four sides of the vehicle. Take a FREE Practice Test Now This questions appears in the following tests: Georgia HazMat , Indiana HazMat , New Jersey HazMat ,