{"abstract":"This document provides the public with notice that, on January 24, 2024, 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 to its PTC system.","action":"Notice of availability and request for comments.","agencies":[{"raw_name":"DEPARTMENT OF TRANSPORTATION","name":"Transportation Department","id":492,"url":"https://www.federalregister.gov/agencies/transportation-department","json_url":"https://www.federalregister.gov/api/v1/agencies/492","parent_id":null,"slug":"transportation-department"},{"raw_name":"Federal Railroad Administration","name":"Federal Railroad Administration","id":185,"url":"https://www.federalregister.gov/agencies/federal-railroad-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/185","parent_id":492,"slug":"federal-railroad-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2024/02/01/2024-01938.html","cfr_references":[],"citation":"89 FR 6562","comment_url":null,"comments_close_on":"2024-02-21","correction_of":null,"corrections":[],"dates":"FRA will consider comments received by February 21, 2024. FRA may consider comments received after that date to the extent practicable and without delaying implementation of valuable or necessary modifications to a PTC system.","disposition_notes":null,"docket_ids":["Docket Number FRA-2010-0030"],"dockets":[{"supporting_documents":[],"agency_name":"FRA","documents":[{"comment_count":0,"comment_start_date":"2024-02-01","updated_at":"2024-02-22T00:06:29.513-05:00","comment_url":"https://www.regulations.gov/commenton/FRA-2010-0030-0115","allow_late_comments":null,"id":"FRA-2010-0030-0115","comment_end_date":"2024-02-22","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":0,"id":"FRA-2010-0030","title":"Massachusetts Bay Transportation Authority - Positive Train Control Plans"}],"document_number":"2024-01938","effective_on":null,"end_page":6563,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2024/02/01/2024-01938.xml","html_url":"https://www.federalregister.gov/documents/2024/02/01/2024-01938/massachusetts-bay-transportation-authoritys-request-to-amend-its-positive-train-control-system","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2024-01938?publication_date=2024-02-01","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2024-02-01/2024-01938/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":30,"last_updated":"2026-08-25 04:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2024-02-01/pdf/2024-01938.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2024-01938.pdf?1706708715","publication_date":"2024-02-01","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2024/02/01/2024-01938.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"comments_count":0,"agency_id":"FRA","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=FRA-2010-0030","supporting_documents_count":0,"docket_id":"FRA-2010-0030","document_id":"FRA-2010-0030-0115","regulation_id_number":null,"title":"Massachusetts Bay Transportation Authority - Positive Train Control Plans","checked_regulationsdotgov_at":"2024-02-22T05:06:28Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":6562,"subtype":null,"title":"Massachusetts Bay Transportation Authority's Request To Amend Its Positive Train Control System","toc_doc":"Massachusetts Bay Transportation Authority; Positive Train Control System","toc_subject":"Request for Amendment:\n","topics":[],"type":"Notice","volume":89}