The International Rules of the Road apply in which scenarios?

The International Rules of the Road, also known as the International Regulations for Preventing Collisions at Sea (COLREGs), apply specifically to the high seas and navigable waters connecting the high seas with the territories of nations. This establishes a common set of guidelines that govern the conduct of vessels to prevent collisions and ensure safe navigation in international waters.

This set of rules is crucial because it helps vessels from different countries operate under a unified system, reducing the chances of misunderstandings that could lead to accidents at sea. The scope of these rules encompasses large expanses of ocean and significant waterways, establishing clear navigational rights and responsibilities.

Options referring to inland waters or ports do not apply here because these areas generally have their own specific regulations that can vary by locality, often managed by national or regional authorities. Thus, the correct choice reflects the intended application of the International Rules of the Road on the high seas and navigable connecting waters, where these internationally agreed-upon standards are paramount for safe marine operations.