Blocking is used to: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Blocking is used to: Answers Prevent cargo from shifting in transit. Prevent cargo from being loaded too high. Prevent cargo from being unloaded too quickly. Prevent cargo from being unloaded easily. Explanation Blocking and bracing are used to prevent cargo from sliding in transit. This questions appears in the following tests: Massachusetts Class A Knowledge Test Wyoming Class A Knowledge Test Wyoming Class B Knowledge Test