Action
Notice of availability and request for comments.
Summary
This document provides the public with notice that, on April 20, 2023, Long Island Rail Road (LIRR) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Safety Plan (PTCSP) in order to support the implementation of Office Software Version STS 1.2.5 and changes to Office 3.9.3. As this RFA involves 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 LIRR's RFA to its PTCSP.