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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

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

Action

Notice of availability and request for comments.

Summary

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.

Document

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