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            Action
    Notice of availability and request for comments.
        Summary
    This document provides the public with notice that, on November 8, 2023, Metro-North Commuter Railroad (MNR) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Safety Plan (PTCSP). As this RFA may involve a request for FRA's approval of proposed material modifications to an FRA-certified positive train control (PTC) system, FRA is publishing this notice and inviting public comment on the railroad's RFA to its PTCSP.
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