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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 Railroad safety
Results 51 - 97 of 97
  • 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 an established safety record....
  • In this final rule, PHMSA is amending the Hazardous Materials Regulations to clarify requirements governing emergency response information services provided by arrangement with hazardous materials offerors (shippers). In order to preserve 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. 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...
  • The Pipeline and Hazardous Materials Safety Administration (PHMSA), in coordination with the Federal Railroad Administration (FRA), is amending the Hazardous Materials Regulations to prescribe enhanced safety measures for rail transportation of poison...
  • 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 and the Federal Railroad Administration are proposing revisions to the Federal Hazardous Materials Regulations to improve the crashworthiness protection of railroad tank cars designed to...
  • 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...
  • 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...
  • 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...
  • 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 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...
  • On October 30, 2003, the Research and Special Programs Administration, predecessor agency to PHMSA, published a final rule to clarify the applicability of the Hazardous Materials Regulations to functions and activities related to the safe and secure...
  • 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 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.
  • 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,...
  • 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...
  • 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...
  • 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...
  • 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...
  • 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 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...
  • 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 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...
  • 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 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...