Transport i infrastruktura · 16.07.2026
Massachusetts Bay Transportation Authority's Request To Amend its Positive Train Control System
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.