Three of the following activities are considered on-duty, which one is off-duty;

Time spent in a sleeper berth is classified as off-duty time. This is because it allows the driver to rest and recuperate, thereby ensuring safety on the road. When a driver utilizes a sleeper berth, they are not actively engaged in driving, loading/unloading, or inspections, which are all tasks that require attention and involvement in operating the vehicle or ensuring its readiness for travel. Off-duty periods are essential for managing fatigue and promoting responsible driving practices, allowing drivers to maintain their health and compliance with regulations.

On the other hand, driving involves active operation of the vehicle, loading and unloading require physical engagement with cargo, and performing a daily inspection is crucial for ensuring that the vehicle is safe to drive—all activities that are distinctly on-duty.