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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, affecting 49 CFR 100-199, and about Motor vehicle safety
Results 51 - 100 of 122
  • 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...
  • FMCSA and PHMSA are amending the Federal Motor Carrier Safety Regulations (FMCSRs) and the Hazardous Materials Regulations (HMR) to restrict the use of hand-held mobile telephones by drivers of commercial motor vehicles (CMVs). This rulemaking will...
  • 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...
  • PHMSA, in coordination with the Nuclear Regulatory Commission (NRC), is proposing to amend requirements in the Hazardous Materials Regulations (HMR) governing the transportation of Class 7 (radioactive) materials based on recent changes contained in...
  • PHMSA is amending the Hazardous Materials Regulations to make miscellaneous amendments to update and clarify certain regulatory requirements. These amendments are intended to: promote safer transportation practices; eliminate unnecessary regulatory...
  • 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...
  • On February 2, 2010, the Pipeline and Hazardous Materials Safety Administration published a final rule amending the Hazardous Materials Regulations to: Revise several packaging related definitions; add provisions to allow more flexibility when...
  • PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. Among other provisions, PHMSA is proposing to add a labeling exception for ``consolidation bins'' to...
  • 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 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,...
  • In this final rule, PHMSA is amending packaging requirements in the Hazardous Materials Regulations to enhance compliance flexibility, improve clarity, and reduce regulatory burdens. Specifically, we are revising several packaging related definitions;...
  • On January 14, 2009, the Pipeline and Hazardous Materials Safety Administration (PHMSA) published a final rule amending the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various amendments,...
  • 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 amending the Hazardous Materials Regulations to revise certain requirements applicable to the manufacture, maintenance, and use of DOT and MC specification cargo tank motor vehicles, DOT specification cylinders and UN pressure receptacles. The...
  • This final rule revises 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,...
  • 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...
  • 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 is amending the Hazardous Materials Regulations to update, clarify or provide relief from certain requirements governing the classification, packaging, or labeling of hazardous materials transported in commerce. Among other provisions, PHMSA is...
  • 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...
  • On January 31, 2007, PHMSA published a final rule that amended requirements in the Hazardous Materials Regulations applicable to the air transportation of compressed oxygen cylinders and oxygen generators. In response to appeals submitted by entities...
  • PHMSA proposes to amend the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) to revise certain requirements applicable to the manufacture, maintenance, and use of DOT and MC specification cargo tank motor vehicles, DOT specification...
  • PHMSA (also, ``we'' or ``us'') is amending the Hazardous Materials Regulations (HMR) to: require cylinders of compressed oxygen and other oxidizing gases and packages of chemical oxygen generators to be placed in an outer packaging that meets certain...
  • This final rule revises 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 proposes to make miscellaneous amendments to the Hazardous Materials Regulations based on petitions for rulemaking and PHMSA initiatives. These proposed amendments are intended to update, clarify or provide relief from certain regulatory...
  • 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...
  • In this NPRM, PHMSA is proposing to make miscellaneous amendments to the Hazardous Materials Regulations (HMR) based on changes to packaging requirements in the United Nations Recommendations on the Transport of Dangerous Goods, petitions for...
  • 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,...
  • This final rule revises the Hazardous Materials Regulations to address a known safety problem with cylinders manufactured of aluminum alloy 6351-T6. The revisions include an inspection and testing program for early detection of sustained load cracking...
  • In this final rule, PHMSA is amending the Hazardous Materials Regulations (HMR) to adopt standards for the design, construction, maintenance and use of cylinders and multiple-element gas containers based on the standards contained in the United Nations...
  • This final rule revises terminology, definitions, and requirements for consistency with the Hazardous Materials Safety and Security Reauthorization Act of 2005. These amendments include revising the definitions of ``hazmat employee'' and ``hazmat...
  • On September 10, 2003, the Research and Special Programs Administration--the predecessor agency to the Pipeline and Hazardous Materials Safety Administration published a notice of proposed rulemaking (NPRM) to propose an inspection and testing program...
  • 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). In addition, this final rule revises...
  • On December 20, 2004, the Research and Special Programs Administration (RSPA)--the predecessor agency to the Pipeline and Hazardous Materials Safety Administration (PHMSA)--published a final rule under Docket Number RSPA-04-17036 (HM-215G) amending the...
  • This final rule amends the Hazardous Materials Regulations by incorporating miscellaneous changes based on petitions for rulemaking and PHMSA initiatives. The intended effect of these regulatory changes is to update, clarify or provide relief from...
  • PHMSA proposes to amend the Hazardous Materials Regulations (HMR) to adopt standards for the design, construction, maintenance and use of cylinders and multiple-element gas containers (MEGCs) based on the standards contained in the United Nations (UN)...
  • RSPA is amending the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
  • 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...
  • RSPA proposes to make miscellaneous amendments to the Hazardous Materials Regulations based on petitions for rulemaking and RSPA initiatives. These proposed amendments are intended to update, clarify or provide relief from certain regulatory requirements.
  • On July 31, 2003, RSPA published a final rule under Docket Number RSPA-2002-13658 (HM-215E) amending the Hazardous Materials Regulations (HMR) based on corresponding provisions of international standards. The revisions were made to facilitate the...
  • RSPA is proposing to amend the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
  • RSPA proposes to amend the Hazardous Materials Regulations to require that cylinders of compressed oxygen and packages of chemical oxygen generators be placed in an outer packaging that meets certain flame penetration and thermal resistance...
  • In this final rule RSPA is amending requirements in the Hazardous Materials Regulations (HMR) pertaining to the transportation of radioactive materials based on changes contained in the International Atomic Energy Agency (IAEA) publication, entitled...
  • This final rule amends the Hazardous Materials Regulations (HMR) to standardize the format used to cross-reference consensus standards published by nationally and internationally recognized standard-setting organizations and industry that are...
  • RSPA is clarifying the applicability of the Hazardous Materials Regulations (HMR) to specific functions and activities, including hazardous materials loading and unloading operations and storage of hazardous materials during transportation. We are also...
  • 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...
  • RSPA is extending the compliance date of the regulations contained in 49 CFR 107.805(f) and 180.209(g) of the Hazardous Materials Regulations that require persons who perform visual requalification of DOT specification cylinders to obtain approval from...
  • RSPA proposes to amend requirements in the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) pertaining to aluminum cylinders manufactured using aluminum alloy 6351-T6. The purpose of this rulemaking initiative is to enhance safety, minimize...
  • On April 18, 2003, the Research and Special Programs Administration published a final rule under Docket No. RSPA-98-3554 (HM-213) to update and clarify requirements in the Hazardous Materials Regulations applicable to construction and maintenance of...
  • This final rule amends the Hazardous Materials Regulations by incorporating miscellaneous changes based on petitions for rulemaking and RSPA initiatives. The intended effect of these regulatory changes is to update, clarify or provide relief from...