• Norfolk Southern average operating margin for 2023 was 28.33%, a 26.76% increase from 2022.
• Norfolk Southern average operating margin for 2022 was 38.68%, a 1.26% decline from 2021.
• Norfolk Southern average operating margin for 2021 was 38.2%, a 23.42% increase from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.