Which of the following definitions best describes "Nominal Safety"?

The best choice that defines "Nominal Safety" relates to the adherence to design standards, which often provide a baseline or reference point for safety evaluations. In this context, nominal safety refers to a scenario where a location's safety is assessed strictly based on compliance with specified design specifications, without considering other dynamic factors such as actual traffic flow, environmental conditions, or real-world incident data.

This definition highlights that nominal safety is a static measure, implying that if a location meets certain structural and design criteria, it is perceived as safe. However, this does not account for variations in safety that might emerge over time or under different traffic conditions, making it somewhat limited in scope.

In contrast, other definitions, such as those referring to historical safety data or public opinion, do not encapsulate the essence of nominal safety as effectively. While they present important perspectives on safety assessment, they do not specifically encapsulate the idea of a fixed standard measure based on design standards.