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 Education
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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, 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...
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...
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,...
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 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 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...
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
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...
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...
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...
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...
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...
This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
As required by the Moving Ahead for Progress in the 21st Century Act (MAP-21), the Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to adopt provisions contained in certain widely-used or...
PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. These proposed amendments are designed to promote safer transportation practices, address petitions for...
PHMSA is amending the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
PHMSA, in consultation with the Federal Aviation Administration (FAA), is modifying the requirements governing the transportation of lithium cells and batteries. This final rule revises hazard communication and packaging provisions for lithium...
The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations by establishing standards for the safe transportation of bulk explosives. This rulemaking would be responsive to two petitions for...
PHMSA, in coordination with the Nuclear Regulatory Commission (NRC), is amending requirements in the Hazardous Materials Regulations (HMR) governing the transportation of Class 7 (radioactive) materials based on recent changes contained in the...
The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations (HMR) to adopt provisions contained in certain widely used or longstanding special permits and certain competent authority approvals...
This final rule corrects editorial errors and amends certain requirements in response to administrative appeals submitted by persons affected by certain final rules published in the Federal Register.
This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations applicable to air bag inflators, air bag modules, and seat-belt pretensioners. The revisions incorporate the provisions of two special permits...
PHMSA is revising the Hazardous Materials Regulations applicable to the approval of Division 1.4G consumer fireworks (UN0336 Fireworks) and establishing DOT-approved fireworks certification agencies that provide an alternative to the approval process...
PHMSA is amending the Hazardous Materials Regulations (HMR) to make miscellaneous amendments to update and clarify certain regulatory requirements. These amendments promote safer transportation practices, eliminate unnecessary regulatory requirements,...
PHMSA is amending the Hazardous Materials Regulations in response to petitions for rulemaking submitted by the regulated community to update, clarify, or provide relief from miscellaneous regulatory requirements. Specifically, PHMSA is amending the...
PHMSA is amending the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
This document responds to administrative appeals generated as a result of certain amendments adopted in an international harmonization final rule published on January 19, 2011. The January 19, 2011 final rule amended the Hazardous Materials Regulations...
The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding special permits and certain competent authority approvals...
This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
PHMSA is proposing to revise the Hazardous Materials Regulations applicable to the approval of Division 1.4G consumer fireworks (UN0336 Fireworks) and establish DOT-approved fireworks certification agencies that will provide an alternative to the...
PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding rail special permits that have general applicability and established...
This document responds to administrative appeals and solicits public comment on proposals generated as a result of certain amendments adopted in an international harmonization final rule published in the Federal Register. The final rule amended the...
In response to petitions for rulemaking submitted by the regulated community, PHMSA proposes to amend the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) to update, clarify, or provide relief from miscellaneous regulatory requirements....
PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. These proposed amendments are designed to promote safer transportation practices; eliminate unnecessary...
This document responds to administrative appeals, provides clarifications, and corrects typographical and other minor errors adopted in an international harmonization final rule published January 19, 2011 (HM-215K; 76 FR 3308). The final rule amended...
On July 20, 2011, PHMSA published a final rule under Docket Number PHMSA-2009-0151 (HM-218F) making miscellaneous amendments to the Hazardous Materials Regulations (HMR; 49 CFR parts 171-180). The amendments made by PHMSA in the July 20, 2011 final...
This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding special permits that have general applicability and...