The transportation participants that move or transports the product are?

The correct answer is focused on the role of carriers in the transportation ecosystem. Carriers are the entities or individuals responsible for physically moving products from one location to another, utilizing various modes of transport such as trucks, ships, airplanes, or trains. This critical function involves managing the logistics of transport, ensuring that products reach their destination safely and efficiently.

Carriers operate under contracts with shippers, who are the entities that require the transportation services to move their goods. While shippers initiate the transportation process by hiring carriers, it is ultimately the carriers that execute the movement of products. Their primary task includes not just transportation but also managing logistics aspects such as scheduling, tracking shipments, and maintaining equipment.

In contrast, the other roles mentioned in the question, such as transportation policy makers and infrastructure owners and operators, play supportive or regulatory roles within the transportation framework but do not directly engage in the physical movement of goods. Transportation policy makers develop regulations and guidelines governing transport, while infrastructure owners and operators manage and maintain the facilities and networks used by carriers, but they are not involved in the transportation process itself.