This APP provides clarification on hours of service requirements found at 49 CFR Part 228, Hours of Service Record-keeping, and FRA hours of service interpretations and policies. Because of the amount of guidance that exists to address the complexity of hours of service requirements, along with the diversity of railroad operations, it is necessary to provide comprehensive guidance and consolidate the majority of this information into one manual to ensure standardized application and compliance.

This APP is not intended to be the primary reference document for hours of service requirements; 49 CFR Part 228, FRA Operating Practices Technical Bulletins, and official FRA letters addressing hours of service issues will remain the primary reference documents when dealing with Federal hours of service requirements.

In this APP, citations for primary and secondary documents are abbreviated and placed in parentheses. For instance, Federal Register is cited as “FR.” The exact titles for these documents are provided in the References section of this APP.

 Most of these documents are included as appendices to this APP. There is one additional relevant document in the appendices as well.

Because of the variety of rail operations, some situations that exist in the rail industry may not be addressed in this APP. If these cases are found and the correct application of hours of service requirements is not clear, contact FRA for clarification.

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