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Circular OT-5 System

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If you are interested in placing privately owned freight cars in service on Norfolk Southern Railway, refer to the Railinc OT-5 registration system, which centralizes all such requests. Rail equipment must meet the Association of American Railroads' Circular OT-5 for Rules Governing the Assignment of Reporting Marks, Mechanical Designations, and for the Use of Private Equipment.

Submit the below OT-5 application for review.

Learn more about the Circular OT-5 System

Access the Circular OT-5 Application