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Notice of availability, request for comments, and notice of planned decision.

This document provides the public with notice that, on August 28, 2023, Norfolk Southern Railway (NS) submitted a request for amendment (RFA) to its FRA-certified positive train control (PTC) system. On August 28, 2023, NS experienced a system-wide outage of its PTC back office, temporarily impacting the operations of NS and its tenant railroads. NS is seeking FRA's authorization under FRA's PTC regulations to continue operations, with certain restrictions, while NS's PTC system is temporarily disabled.

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