Action
Notice of availability and request for comments.
Summary
This document provides the public with notice that, on November 11, 2022, CSX Transportation (CSX) submitted an updated 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.