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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 Air carriers
Results 51 - 78 of 78
  • 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 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...
  • PHMSA is proposing to revise the transportation requirements for infectious substances, including regulated medical waste, to adopt new classification criteria and packaging requirements consistent with revised international standards and to clarify...
  • 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...
  • To protect life and property, RSPA (we), working closely with the Federal Aviation Administration (FAA), is issuing an interim final rule imposing a limited prohibition on offering for transportation and transportation of primary (non-rechargeable)...
  • RSPA is proposing changes to the requirements in the Hazardous Materials Regulations (HMR) for the transportation of hazardous materials by aircraft. These proposed changes include clarifying the applicability of part 175; excepting cargo aircraft from...
  • 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...
  • RPSA 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...
  • RSPA is amending the Hazardous Materials Regulations to require an aircraft operator transporting a hazardous material to: Place a telephone number, on the notification of pilot-in-command or in the cockpit of the aircraft, that can be contacted during...
  • RPSA 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,...
  • In this final rule, RSPA is making changes to a final rule published on July 12, 2002, in which RSPA amended the Hazardous Materials Regulations (HMR) to require shippers and carriers to retain a copy of each hazardous material shipping paper, or an...
  • 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 amending the Hazardous Materials Regulations to require shippers and carriers to retain a copy of each hazardous material shipping paper, or an electronic image thereof, for a period of 375 days after the date the hazardous material is accepted...
  • RSPA proposes to amend 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 ``IAEA Safety...
  • RSPA (we) proposes to amend the Hazardous Materials Regulations (HMR) regarding the transportation of lithium batteries. These proposals are consistent with changes recently made to the United Nations Recommendations on the Transport of Dangerous Goods...
  • RSPA proposes to amend the Hazardous Materials Regulations (HMR) to require an aircraft operator to: Place a telephone number on the notification of pilot-in-command that can be contacted during an in-flight emergency to obtain information about any...
  • RSPA is proposing to amend the Hazardous Materials Regulations to require shippers and carriers to retain a copy of each hazardous material shipping paper, or an electronic image thereof, for a period of 375 days after the date the hazardous material...
  • This final rule corrects inconsistencies in terminology and makes minor editorial corrections to improve the clarity of the Hazardous Materials Regulations (HMR). The intended effect of this rule is to enhance the accuracy and reduce misunderstandings...
  • 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...
  • This final rule amends the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various changes to proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations,...
  • RSPA is proposing to clarify 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....
  • RSPA proposes to amend the Hazardous Materials Regulations (HMR) to maintain alignment with international standards by incorporating various changes to proper shipping names, hazard classes, packing groups, special provisions, packaging authorizations,...
  • This final rule amends the Hazardous Materials Regulations (HMR) by incorporating miscellaneous changes based on petitions for rulemaking and RSPA initiative. This action reduces regulatory burden on industry where feasible, responds to petitions for...