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Rulemaking Documents Search

The following DOT Rules are linked to the Federal Register website. The Federal Register is the Federal Government’s official daily publication of rules, proposed rules, and notices of federal agencies, and provides a forum for public participation in the democratic process.

To learn more about DOT Rules, choose a document type, topic, or conduct a title search by keyword. Results will include a summary of the Rule and a link to the PDF of the appropriate Federal Register page. The Federal Register provides rulemaking documents dating back to 1995.

If you need to see rules prior to 1995, please visit our rulemakings archives:

Hazardous Materials Safety Rulemaking Archive

Pipeline Safety Rulemaking Archive
Your search for Documents of type Rule or Proposed Rule and affecting 49 CFR 100-199
Results 4051 - 4100 of 876
  • PHMSA amends the Hazardous Materials Regulations (HMR) to update, clarify, improve the safety of, or streamline various regulatory requirements. Specifically, this rulemaking responds to 18 petitions for rulemaking submitted by the regulated community...
  • This notice announces a public meeting of the Technical Pipeline Safety Standards Committee, also known as the Gas Pipeline Advisory Committee (GPAC), to complete discussion of the notices of proposed rulemakings (NPRMs) titled ``Gas Pipeline Leak...
  • This final rule provides the statutorily prescribed 2024 adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations.
  • PHMSA proposes to amend the Hazardous Materials Regulations to revise the classification and approval process for certain low-hazard fireworks; to revise classification criteria for small arms cartridges to include tracer ammunition; to include the...
  • The Pipeline and Hazardous Materials Safety Administration is seeking comment on a Petition for a Declaratory Order (Petition).
  • On July 5, 2023, PHMSA published an advance notice of proposed rulemaking, titled ``Hazardous Materials: Modernizing Regulations to Improve Safety and Efficiency (HM-265A),'' seeking comment of 46 topics related to modernizing the hazardous materials...
  • PHMSA proposes revisions to the pipeline safety regulations to require operators of gas distribution pipelines to update their distribution integrity management programs (DIMP), emergency response plans, operations and maintenance manuals, and other...
  • PHMSA, in coordination with the Federal Railroad Administration (FRA), is amending the Hazardous Materials Regulations to suspend authorization of liquefied natural gas (LNG) transportation in rail tank cars pursuant to a final rule published on July...
  • On June 27, 2023, PHMSA published a notice of proposed rulemaking, titled ``Hazardous Materials: FAST Act Requirements for Real-Time Train Consist Information (HM-263),'' proposing amendments to the Hazardous Materials Regulations to require all...
  • PHMSA is issuing editorial and technical corrections clarifying the regulations promulgated in its April 8, 2022, final rule titled ``Pipeline Safety: Requirement of Valve Installation and Minimum Rupture Detection Standards'' for certain gas,...
  • PHMSA is publishing this ANPRM to solicit stakeholder feedback on initiatives PHMSA is considering that may modernize the Hazardous Materials Regulations and improve efficiencies while maintaining or improving a current high level of safety. To fully...
  • On May 18, 2023, PHMSA published a Notice of Proposed Rulemaking (NPRM) in the Federal Register titled: ``Pipeline Safety: Gas Pipeline Leak Detection and Repair.'' PHMSA received requests to extend the comment period for stakeholders to have more time...
  • PHMSA proposes amendments to its Hazardous Materials Regulations to require all railroads to generate in electronic form, maintain, and provide to first responders, emergency response officials, and law enforcement personnel, certain information...
  • PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international regulations and standards by adopting various amendments, including changes to proper shipping names, hazard classes, packing groups, special...
  • PHMSA proposes regulatory amendments that implement congressional mandates in the Protecting our Infrastructure of Pipelines and Enhancing Safety Act of 2020 to reduce methane emissions from new and existing gas transmission pipelines, distribution...
  • On March 3, 2023, PHMSA published a notice of proposed rulemaking (NPRM), entitled ``Hazardous Materials: Adoption of Miscellaneous Petitions and Updating Regulatory Requirements (HM- 219D),'' proposing changes to update, clarify, improve the safety...
  • PHMSA is making necessary technical corrections to ensure consistency within, and the intended effect of, a recently issued final rule titled ``Safety of Gas Transmission Pipelines: Repair Criteria, Integrity Management Improvements, Cathodic...
  • PHMSA proposes amendments to the Hazardous Materials Regulations (HMR) to update, clarify, improve the safety of, or streamline various regulatory requirements. Specifically, this rulemaking responds to 18 petitions for rulemaking submitted by the...
  • The Pipeline and Hazardous Materials Safety Administration is correcting the final rule that appeared in the Federal Register on December 27, 2022. The final rule made editorial revisions and clarifications to the hazardous materials regulations...
  • This final rule provides the statutorily-prescribed 2023 adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations.
  • This final rule corrects editorial errors and improves the clarity of certain provisions in PHMSA's program and procedural regulations and in the Hazardous Materials Regulations. The intended effect of this rulemaking is to enhance accuracy and reduce...
  • This final rule revises the Hazardous Materials Regulations for lithium cells and batteries transported by aircraft and is consistent with the previously published Interim Final Rule, which responded to congressional mandates; prohibited the transport...
  • PHMSA is publishing this ANPRM to solicit feedback on potential adjustments to the statutorily mandated hazardous materials registration and fee assessment program. Actions such as the potential adjustment of fees or the addition of other entities...
  • PHMSA, in coordination with the Nuclear Regulatory Commission, proposes to amend the Hazardous Materials Regulations to maintain alignment with international regulations and standards governing the transportation of Class 7 radioactive materials....
  • PHMSA incorporates more than 80 voluntary, consensus, industry technical standards by reference within the Federal pipeline safety regulations (PSRs). This notice of proposed rulemaking (NPRM) proposes amendments that would incorporate by reference all...
  • PHMSA is revising the Federal Pipeline Safety Regulations to improve the safety of onshore gas transmission pipelines. This final rule addresses several lessons learned following the Pacific Gas and Electric Company incident that occurred in San Bruno,...
  • The Pipeline and Hazardous Materials Safety Administration is correcting a final rule that was published in the Federal Register on July 26, 2022. The final rule was published to maintain alignment with international regulations and standards by...
  • PHMSA is amending the Hazardous Materials Regulations (HMR) to maintain alignment with international regulations and standards by adopting various amendments, including changes to proper shipping names, hazard classes, packing groups, special...
  • PHMSA is issuing corrections of certain changes to incident and annual reporting requirements for offshore gathering pipelines in its November 15, 2021, final rule titled ``Safety of Gas Gathering Pipelines: Extension of Reporting Requirements,...
  • PHMSA is incorporating within its regulations language noting its employees' ability to refer actual or possible criminal activity in connection with PHMSA's jurisdictional statutes directly to the DOT Office of Inspector General (OIG).
  • PHMSA is alerting the public to its April 1, 2022, response denying a petition for reconsideration of the final rule titled ``Safety of Gas Gathering Pipelines: Extension of Reporting Requirements, Regulation of Large, High-Pressure Lines, and Other...
  • PHMSA is revising the Federal Pipeline Safety Regulations applicable to most newly constructed and entirely replaced onshore gas transmission, Type A gas gathering, and hazardous liquid pipelines with diameters of 6 inches or greater. In the revised...
  • This final rule provides the statutorily-prescribed 2022 adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations. In addition, this rule notes new DOT civil penalties authority provided in the Bipartisan...
  • PHMSA is amending the pipeline safety regulations to explicitly state that certain coastal waters, the Great Lakes, and coastal beaches are classified as unusually sensitive areas for the purpose of compliance with the hazardous liquid integrity...
  • PHMSA is revising the Federal Pipeline Safety Regulations to improve the safety of onshore gas gathering pipelines. This final rule addresses Congressional mandates, Government Accountability Office recommendations, and public input received as part of...
  • PHMSA, in coordination with the Federal Railroad Administration (FRA), proposes to amend the Hazardous Materials Regulations to suspend authorization of liquefied natural gas (LNG) transportation in rail tank cars pursuant to a final rule published in...
  • PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international regulations and standards by adopting various amendments, including changes to proper shipping names, hazard classes, packing groups, special...
  • In accordance with the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015, DOT published a final rule on May 3, 2021 to provide the 2021 inflation adjustment to civil penalty amounts that may be imposed for violations of certain...
  • In accordance with the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015, this final rule provides the 2021 inflation adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations. In...
  • This final rule removes the Department's internal policies and procedures relating to the issuance of rulemaking and guidance documents from the Code of Federal Regulations. In addition, this final rule removes regulations concerning the initiation and...
  • In accordance with the memorandum of January 20, 2021, from the Assistant to the President and Chief of Staff, titled ``Regulatory Freeze Pending Review,'' PHMSA delays the effective date of the final rule, ``Pipeline Safety: Gas Pipeline Regulatory...
  • PHMSA is correcting its Gas Pipeline Regulatory Reform final rule that published in the Federal Register on January 11, 2021. The rule makes miscellaneous changes to the regulatory requirements for gas pipeline systems.
  • PHMSA is seeking public comment on a second set of draft frequently asked questions (Batch-2 FAQs) to facilitate implementation of its final rule titled ``Safety of Gas Transmission Pipelines: MAOP Reconfirmation, Expansion of Assessment Requirements,...
  • PHMSA is proposing to incorporate by reference more than 20 consensus standards into the Federal pipeline safety regulations. This notice of proposed rulemaking (NPRM) would incorporate by reference a new, updated, or reaffirmed edition of each...
  • PHMSA is making available for public comment a revised set of operator qualification frequently asked questions (FAQs) that will replace its current operator qualification FAQs. The proposed revisions will provide greater clarity regarding PHMSA's...
  • In accordance with the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015, this final rule provides the 2020 inflation adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations. In...
  • PHMSA is amending the Federal Pipeline Safety Regulations to ease regulatory burdens on the construction, maintenance, and operation of gas transmission, distribution, and gathering pipeline systems without adversely affecting safety. The amendments in...
  • PHMSA is amending the Hazardous Materials Regulations (HMR) to revise certain requirements applicable to the manufacture, use, and requalification of DOT-specification cylinders. PHMSA is taking this action in response to petitions for rulemaking...