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, affecting 49 CFR 100-199, and about Hazardous materials transportation
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256
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 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...
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 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, 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 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 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).
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, 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 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...
Hazardous Materials: Miscellaneous Amendments Pertaining to DOT-Specification Cylinders (Final Rule)
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...
This final rule corrects editorial errors and improves the clarity of certain provisions in the Hazardous Materials Regulations and PHMSA program and procedural regulations. The intended effect of this rulemaking is to enhance the accuracy and reduce...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations in response to 24 petitions for rulemaking submitted by the regulated community between February 2015 and March 2018. This final rule...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the requirements of the requalification periods for certain Department of Transportation (DOT) 4-series specification cylinders in non-corrosive gas service in response to a...
PHMSA, in coordination with the Federal Railroad Administration (FRA), is amending the Hazardous Materials Regulations (HMR) to allow for the bulk transport of ``Methane, refrigerated liquid,'' commonly known as liquefied natural gas (LNG), in rail...
PHMSA is issuing this final rule to amend the Hazardous Materials Regulations (HMR) to maintain alignment with international regulations and standards by incorporating various amendments, including changes to proper shipping names, hazard classes,...
PHMSA is soliciting public comment on proposed amendments to the Federal Pipeline Safety Regulations for the safety of hazardous liquid pipelines that would revise the requirements for facility response plans, revise the definition for accidents, and...
This final rule sets forth a comprehensive revision and update of the Department's regulations on rulemaking procedures and consolidates all of the Department's existing administrative procedures in one location. This final rule also incorporates and...
PHMSA, in coordination with the Federal Railroad Administration (FRA), is proposing changes to the Hazardous Materials Regulations to allow for the bulk transport of Methane, refrigerated liquid, commonly known as liquefied natural gas (LNG), in rail...
This rulemaking responds to numerous petitions for rulemaking submitted by the regulated community that request PHMSA address a variety of provisions, including but not limited to those addressing packaging, hazardous communication, and incorporation...
PHMSA is proposing to revise requirements on the requalification period for certain DOT 4-series specification cylinders in non-corrosive gas service in response to a petition for rulemaking submitted by the National Propane Gas Association. This...
In accordance with the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015, this final rule provides the 2019 inflation adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations.
PHMSA issues this interim final rule (IFR) to revise the Hazardous Materials Regulations for lithium cells and batteries transported by aircraft. This IFR prohibits the transport of lithium ion cells and batteries as cargo on passenger aircraft;...
PHMSA, in consultation with the Federal Railroad Administration and pursuant to the Fixing America's Surface Transportation Act (FAST Act) of 2015, issues this final rule to revise and clarify requirements for comprehensive oil spill response plans...
PHMSA is revising the Hazardous Materials Regulations pertaining to the Hazardous Materials Grants Program and the Hazardous Materials Emergency Preparedness Grant. This final rule aligns with the Office of Management and Budget's Uniform...
In accordance with the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015, this final rule provides the 2018 inflation adjustment to civil penalty amounts that may be imposed for violations of certain DOT regulations. This rule...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) proposes to amend the Hazardous Materials Regulations (HMR) to maintain alignment with international regulations and standards by incorporating various amendments, including changes to...
In this rulemaking, PHMSA is amending the Hazardous Materials Regulations in response to 19 petitions for rulemaking submitted by the regulated community to update, clarify, streamline, or provide relief from miscellaneous regulatory requirements. By...
PHMSA, in consultation with the Federal Aviation
The Pipeline and Hazardous Materials Safety Administration, in coordination with the Federal Railroad Administration, is issuing this final rule to remove requirements pertaining to electronically controlled pneumatic brake systems on high-hazard...
PHMSA issues this rulemaking in response to appeals submitted to a previously-published final rule. On June 2, 2016, PHMSA published a final rule that made miscellaneous amendments to the Hazardous Materials Regulations. This final rule specifically...
PHMSA is revising the maximum and minimum civil penalties for a knowing violation of the Federal hazardous material transportation law or a regulation, order, special permit, or approval issued under that law. The Federal Civil Penalties Inflation...
In consultation with the Federal Aviation Administration (FAA), PHMSA proposes to amend the Hazardous Materials Regulations (HMR) to align with current international standards for the air transportation of hazardous materials. The proposals in this...
PHMSA proposes to revise its regulations pertaining to the Hazardous Materials grants program to incorporate the Office of Management and Budget's Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards, and to...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) proposes to amend the Hazardous Materials Regulations (HMR) to maintain consistency with international regulations and standards by incorporating various amendments, including changes...
The Pipeline and Hazardous Materials Safety Administration is issuing this final rule to codify in the Hazardous Materials Regulations certain mandates and minimum requirements of the FAST Act. Specifically, the FAST Act mandates a revised phase-out...
PHMSA, in consultation with the Federal Railroad Administration, is issuing this NPRM to propose revisions to regulations that would expand the applicability of comprehensive oil spill response plans (OSRPs) based on thresholds of liquid petroleum oil...
In response to petitions for rulemaking submitted by the regulated community, PHMSA proposes to amend the Hazardous Materials Regulations (HMR; 49 CFR parts 171 through 180) to update, clarify, or provide relief from miscellaneous regulatory...
PHMSA is revising the maximum and minimum civil penalties for a knowing violation of the Federal hazardous material transportation law or a regulation, order, special permit, or approval issued under that law. The ``Federal Civil Penalties Inflation...
In this final rule, the Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations (HMR) to make miscellaneous amendments in order to update and clarify certain regulatory requirements. These...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is issuing a final rule to prohibit passengers and crewmembers from carrying battery-powered portable electronic smoking devices (e.g., e-cigarettes, e-cigs, e-cigars, e-pipes,...
This direct final rule incorporates by reference the most recent editions of the ASME Boiler and Pressure Vessel Code. The purpose of this update is to enable non-specification (nurse tank) manufacturers and other DOT and UN specification packaging...
This SNPRM proposes to incorporate and allow the use of the 2015 edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section XII--Rules for Construction and Continued Service of Transport Tanks for the...
In this final rule, the Pipeline and Hazardous Materials Safety Administration (PHMSA) is adopting regulatory amendments applicable to the reverse logistics shipments of certain hazardous materials by highway transportation. This final rule revises the...
As required by the Moving Ahead for Progress in the 21st Century Act (MAP-21), the Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations to adopt provisions contained in certain widely-used or...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations by establishing standards for the safe transportation of explosives on cargo tank motor vehicles and multipurpose bulk trucks...