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2026-07-16 · Notice · Federal Register document 2026-14335

Massachusetts Bay Transportation Authority's Request To Amend its Positive Train Control System

Transportation Department, Federal Railroad Administration

Official abstract: This document provides the public with notice that, on July 9, 2026, the Massachusetts Bay Transportation Authority (MBTA) submitted a request for amendment (RFA) to its FRA-certified positive train control (PTC) system. FRA is publishing this notice and inviting public comment on the railroad's RFA.

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