What is permitted if the load is secured properly while towing another vehicle?

The correct answer indicates that when a load is properly secured while towing another vehicle, no additional securing measures are necessary. This means that, once the load is firmly in place and complies with safety regulations, it can be considered stable for transportation without needing further adjustments or securing methods.

Properly securing a load ensures that it is unlikely to shift or fall off during transit. If the load meets safety standards and is secured effectively according to regulations, the requirement for additional safety measures is negated. This allows the driver to focus on operating the vehicle rather than worrying about the security of the load beyond its initial preparation.

Other options present scenarios that are not appropriate or comply with standard towing regulations. For instance, using longer chains might suggest a lack of suitability with the original equipment designed for the vehicle. Exceeding the speed limit is strictly against traffic regulations regardless of the load's security. Additionally, allowing the load to extend beyond the vehicle length can pose serious hazards on the road, affecting visibility and stability, as well as violating legal restrictions on load dimensions. Therefore, while adhering to the correct protocols ensures safety, there are clear boundaries established in towing practices that must always be observed.