What should drivers do to prepare for a trip with a tank vehicle?

Answer: B — Conduct a thorough pre-trip inspection

Preparing for a trip with a tank vehicle involves taking important safety precautions, and conducting a thorough pre-trip inspection is a crucial step. This inspection helps ensure that the vehicle is in proper working condition, which is vital for safe operation, especially when transporting hazardous materials or liquids. During the pre-trip inspection, drivers should check various aspects of the tank vehicle, including the brakes, lights, tires, connections, and any leaks in the tank or piping. This comprehensive check is essential to identify any potential issues that could lead to accidents or spills, which are particularly dangerous with tank vehicles due to the contents they transport. Focusing solely on fuel levels or using GPS merely for the fastest route does not address the more complex safety concerns associated with tank vehicles. Additionally, loading the tanker and leaving without an inspection poses significant risks, as it disregards the responsibility of the driver to ensure the vehicle's safety before embarking on a journey. Thus, the correct approach to preparing for a trip with a tank vehicle is to conduct a thorough pre-trip inspection.