Contains dangerous substances that are dangerous goods.
Answer 1 is incorrect because it belongs to flammable and explosive goods
As goods that are flammable, explosive and prohibited to be transported on the road because of the potential to cause harm to people, in special cases that need to be transported, special-use vehicles must be used to ensure safety.
A cargo containing dangerous substances, which, when transported on the road, is likely to cause harm to life, human health, the environment, safety and national security.