Which container is typically designed for highway transport of hazardous liquids?

• A. Highway container
• B. Tank car
• C. Intermodal container
• D. Aircraft

Answer: (A)

For highway transport of hazardous liquids, the container designed for that mode is a highway container. These are cargo tanks mounted on a tractor-trailer and built to meet DOT/PHMSA highway standards, specifically to withstand road conditions, vibrations, and braking forces. They include appropriate safety features such as pressure relief, shutoff valves, and secure mounting to survive highway movement.

Tank cars are built for rail transport and have different loading/unloading configurations and safety features tailored to rail operations. Intermodal containers are versatile for multiple modes (ship, rail, and truck) but are not specifically designed solely for highway movement. Aircraft containers are specialized for air transport with requirements suited to aviation.