Which of the following areas is classified as restricted?

The classification of areas as 'restricted' typically refers to navigational zones where vessel movement is limited due to safety, environmental concerns, or specific regulations. Newport is known for its restricted access areas, especially around military facilities, shipping lanes, or during specific events. Such classifications are important for maintaining safety and security in busy maritime environments, ensuring that vessels operate within safe parameters.

In contrast, while Greenwich, Apponaug, and Allens may have various levels of navigational significance, they do not have the same broadly recognized restrictions as Newport. Each of these other locations might have channels or local regulations, but Newport’s prominent position and restrictions related to naval operations and tourism make it the correct choice in this context. Understanding these designations is crucial for effective navigation and compliance with maritime law.