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 Blocking cargo: Answers Should never be done. Should only be done in poor weather. Prevents cargo from moving. Explanation Blocking is used to prevent cargo from sliding while in transit. Take a FREE Practice Test Now This questions appears in the following tests: Wyoming Knowledge Test Class A , Tennessee Knowledge Test Class B ,