{"database": "openregs", "table": "federal_register", "rows": [["2021-21337", "Railroads' Requests To Amend Their Positive Train Control Safety Plans and Positive Train Control Systems", "Notice", "This document provides the public with notice that three host railroads recently submitted requests for amendments (RFA) to their FRA-approved Positive Train Control Safety Plans (PTCSP). As these RFAs may involve requests for FRA's approval of proposed material modifications to FRA-certified positive train control (PTC) systems, FRA is publishing this notice and inviting public comment on railroads' RFAs to their PTCSPs.", "2021-10-01", 2021, 10, "https://www.federalregister.gov/documents/2021/10/01/2021-21337/railroads-requests-to-amend-their-positive-train-control-safety-plans-and-positive-train-control", "https://www.govinfo.gov/content/pkg/FR-2021-10-01/pdf/2021-21337.pdf", "Transportation Department; Federal Railroad Administration", "492,185", "This document provides the public with notice that three host railroads recently submitted requests for amendments (RFA) to their FRA-approved Positive Train Control Safety Plans (PTCSP). As these RFAs may involve requests for FRA's approval of...", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["2021-21337"], "units": {}, "query_ms": 0.8127830224111676, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}