{"database": "openregs", "table": "federal_register", "rows": [["E9-27483", "City of Boston Requirements for Highway Routing of Certain Hazardous Materials", "Notice", "Federal hazardous material transportation law preempts the following highway routing designations of the City of Boston Regulations Controlling the Transportation of Hazardous Materials: 1. The Traffic Rules and Regulations of the City of Boston, Article VII, section 8B, Hazardous Materials Route; and 2. The de facto ban on hazardous materials transportation through the City of Boston due to the change in administration of the City's hazardous materials permitting system.", "2009-11-16", 2009, 11, "https://www.federalregister.gov/documents/2009/11/16/E9-27483/city-of-boston-requirements-for-highway-routing-of-certain-hazardous-materials", "https://www.govinfo.gov/content/pkg/FR-2009-11-16/pdf/E9-27483.pdf", "Transportation Department; Federal Motor Carrier Safety Administration", "492,181", "Federal hazardous material transportation law preempts the following highway routing designations of the City of Boston Regulations Controlling the Transportation of Hazardous Materials: 1. The Traffic Rules and Regulations of the City of Boston,...", 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": ["E9-27483"], "units": {}, "query_ms": 0.42948685586452484, "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"}