Action
Notice of availability and request for comments.
Summary
This document provides the public with notice that on November 14, 2025, as supplemented on January 5, 2026, the National Railroad Passenger Corporation (Amtrak) submitted a request for amendment (RFA) to one of its FRA-approved Positive Train Control Safety Plans (PTCSP) and Type Approval. 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 Amtrak's RFA.