The primary concern during the transport of hazardous materials is...

Answer: C — Keeping the load secure and compliant with regulations

The primary concern during the transport of hazardous materials is to keep the load secure and compliant with regulations. Transporting hazardous materials poses significant risks to public safety, the environment, and the driver. Therefore, ensuring that these materials are properly secured minimizes the risk of spills, leaks, or accidents during transit. Compliance with regulations is equally critical, as these laws are designed to protect not only those handling the materials but also the general public and the environment. By adhering to established safety protocols and regulations, carriers can effectively mitigate risks associated with hazardous materials, ensuring a safer transport process and maintaining the integrity of the materials being transported. This focus on security and compliance is essential in upholding safety standards and preventing incidents that could result in severe consequences.