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            Action
    Notice of availability and request for comments.
        Summary
    This document provides the public with notice that, on December 12, 2023, the Northern Indiana Commuter Transportation District (NICD) submitted a request for amendment (RFA) to its FRA- approved Positive Train Control Safety Plan (PTCSP). As this RFA requests FRA's approval of NICD's proposed material modifications to its 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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