Federal Railroad Administration July 3, 2024 – Federal Register Recent Federal Regulation Documents

This document provides the public with notice that, on June 24, 2024, the Denver Regional Transportation District (RTD) submitted a request for amendment (RFA) to its FRA-approved Positive Train Control Safety Plan (PTCSP) to support upgrades to the Locomotive Segment software for its Interoperable Electronic Train Management System (I- ETMS). 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 RTD's RFA to its PTCSP.