Placards showing the type of hazardous materials in a vehicle are usually shaped like what? Before you start the test, please answer the question below regarding your insurance status. Without insurance you will not be able to drive in Ohio Do you currently have car insurance? Yes I have insurance. Great, you're all set! Click here if you still want to compare rates. No, I need insurance and I want to compare options. Question Placards showing the type of hazardous materials in a vehicle are usually shaped like what? Answers An octagon A circle A diamond Explanation Hazardous materials warning placards are diamond-shaped. This questions appears in the following tests: Alabama HazMat Alabama HazMat Alaska HazMat California HazMat Hawaii HazMat Hawaii HazMat Maine HazMat Minnesota Tank Missouri HazMat Nevada HazMat New Mexico HazMat Ohio HazMat Rhode Island HazMat Vermont HazMat Wyoming HazMat
