Which of the following should be checked before transporting hazardous materials?

Ensuring safety and compliance when transporting hazardous materials is paramount, and all aspects mentioned in the choices are critical.

First, checking the weight of the cargo is important because each vehicle has a weight limit, and exceeding it can affect the vehicle's handling and braking efficiency, leading to potential accidents.

Next, assessing the stability of the vehicle is essential as hazardous materials can shift during transport. An unstable vehicle increases the risk of tipping or having an accident, thereby exposing both the driver and the public to dangers associated with the materials being transported.

Finally, compliance with local regulations is a crucial step. Different regions may have specific laws regarding the transportation of hazardous materials, including special permits, labeling requirements, and safety measures. Abiding by these regulations minimizes legal liabilities and ensures public safety.

Overall, every aspect plays a role in ensuring a safe transport operation, making the choice that encompasses all of these factors the most comprehensive and appropriate.