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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 Uranium
Results 101 - 142 of 142
  • 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 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...
  • 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)...
  • This final rule amends the Hazardous Materials Regulations by incorporating into the regulations the provisions of certain widely used exemptions which have established a history of safety and which may be converted into regulations for general use. We...
  • RSPA is proposing to amend the Hazardous Materials Regulations to prohibit flammable liquids from being transported in unprotected product piping on existing and newly manufactured DOT specification cargo tank motor vehicles. If adopted as proposed,...
  • 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 correcting errors in a final rule in this docket, published in the Federal Register on September 13, 2004, that amended requirements in the Hazardous Materials Regulations (HMR) pertaining to the transportation of radioactive materials based on...
  • RSPA is correcting errors in its final rule in this docket, published in the Federal Register on January 26, 2004, that amended requirements in the Hazardous Materials Regulations (HMR) pertaining to the transportation of radioactive materials based on...
  • 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 amend requirements in the Hazardous Materials Regulations for the examination, testing, certification, and transportation of lighters and lighter refills. This action will clarify regulatory requirements and, where appropriate,...
  • 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...
  • 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 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...
  • 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...
  • 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...
  • This final rule amends the Hazardous Materials Regulations to permit, for an interim period and subject to certain unloading conditions, the unloading of IM and UN portable tanks transporting certain liquid hazardous materials when those tanks are not...
  • On August 8, 2002, RSPA published a final rule under Docket No. RSPA-01-10373 (HM-220D) amending the requirements of the Hazardous Materials Regulations applicable to the maintenance, requalification, repair, and use of DOT specification cylinders. The...
  • RSPA is adopting a number of revisions to the Hazardous Materials Regulations to update and clarify the regulations on the construction and maintenance of cargo tank motor vehicles. This final rule also addresses three National Transportation Safety...
  • 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.
  • 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,...
  • This document extends the compliance dates and makes minor corrections for certain requirements adopted in a final rule published under Docket No. RSPA-01-10373 (HM-220D) on August 8, 2002 (67 FR 51626), which amended requirements applicable to the...
  • 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 final rule, RSPA is amending the requirements of the Hazardous Materials Regulations applicable to the maintenance, requalification, repair, and use of DOT specification cylinders. In addition, RSPA is adopting changes to revise the...
  • 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...
  • On June 21, 2001, RSPA published a final rule under Docket HM- 215D amending the Hazardous Materials Regulations (HMR) based on corresponding provisions of international standards. The revisions were made to facilitate the transportation of hazardous...
  • 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 to permit, for an interim period and subject to certain unloading conditions, the unloading of intermodal (IM) portable tanks transporting certain liquid hazardous materials that are not...
  • RSPA is proposing a number of revisions to the Hazardous Materials Regulations to update and clarify the regulations on the construction and maintenance of cargo tank motor vehicles. This proposed rule also addresses three National Transportation...
  • 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 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 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,...
  • This final rule updates three incorporations by reference in the Hazardous Materials Regulations (HMR) to include the most recent amendments to the International Maritime Dangerous Goods Code (IMDG Code), the United Nations Recommendations on the...
  • 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 corrects editorial errors, makes minor regulatory changes, and improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to enhance the accuracy and reduce...
  • 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...