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Notices and Rulemaking Documents

The following PHMSA rules and notices 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. You may filter between Rules and Notices using the Document Type dropdown. The Topic dropdown will provide you rules associated with that topic while the Subject dropdown will provide you Notices and Rules that mention that subject.

The Federal Register provides notices dating back to 1995. If you need to see notices prior to 1995, please contact:

Office of Hazardous Materials Safety: 202-366-4488
Office of Pipeline Safety: 202-366-4595

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

Displaying 1 - 50 of 104

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Date Subject Document Type Part
10/28/2024 Hazardous Materials: Advancing Safety of Highway, Rail, and Vessel Transportation Proposed Rule 107, 171, 172, 173, 174, 176, 177, 178, 179, 180
12/21/2022 Hazardous Materials: Enhanced Safety Provisions for Lithium Batteries Transported by Aircraft (FAA Reauthorization Act of 2018) Rule 107, 171, 173
07/26/2022 Hazardous Materials: Harmonization With International Standards Rule 171, 172, 173, 175, 176, 178, 180
08/10/2021 Hazardous Materials: Harmonization With International Standards Proposed Rule 171, 172, 173, 175, 176, 178, 180
12/28/2020 Hazardous Materials: Miscellaneous Amendments Pertaining to DOT-Specification Cylinders Rule 107, 171, 173, 178, 180
12/21/2020 Hazardous Materials: Editorial Corrections and Clarifications Rule 106, 107, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180
11/25/2020 Hazardous Materials: Adoption of Miscellaneous Petitions To Reduce Regulatory Burdens Rule 107, 171, 172, 173, 178, 179, 180
07/24/2020 Hazardous Materials: Liquefied Natural Gas by Rail Rule 172, 173, 174, 179, 180
05/11/2020 Hazardous Materials: Harmonization With International Standards Rule 171, 172, 173, 174, 175, 176, 178, 180
03/06/2019 Hazardous Materials: Enhanced Safety Provisions for Lithium Batteries Transported by Aircraft (FAA Reauthorization Act of 2018) Rule 172, 173
02/28/2019 Hazardous Materials: Oil Spill Response Plans and Information Sharing for High-Hazard Flammable Trains (FAST Act) Rule 107, 130, 171, 173, 174
11/27/2018 Hazardous Materials: Harmonization With International Standards Proposed Rule 171, 172, 173, 175, 176, 178, 180
06/18/2018 Hazardous Materials: Miscellaneous Amendments; Response to Appeals; Corrections Rule 172, 173, 180
09/07/2016 Hazardous Materials: Harmonization With International Standards (RRR) Proposed Rule 107, 171, 172, 173, 175, 176, 178, 180
08/15/2016 Hazardous Materials: FAST Act Requirements for Flammable Liquids and Rail Tank Cars Rule 173, 179
07/29/2016 Hazardous Materials: Oil Spill Response Plans and Information Sharing for High-Hazard Flammable Trains Proposed Rule 130, 171, 173, 174
06/02/2016 Hazardous Materials: Miscellaneous Amendments (RRR) Rule 107, 171, 172, 173, 175, 176, 177, 178, 179, 180
04/29/2016 Hazardous Materials: Incorporation by Reference Edition Update for the American Society of Mechanical Engineers Boiler and Pressure Vessel Code and Transportation Systems for Liquids and Slurries: Pressure Piping Code Rule 171, 173, 178
04/29/2016 Hazardous Materials: Incorporation of ASME Code Section XII and the National Board Inspection Code Proposed Rule 107, 171, 173, 178, 179, 180
01/21/2016 Hazardous Materials: Adoption of Special Permits (MAP-21) (RRR) Rule 107, 171, 172, 173, 174, 176, 177, 178, 180
12/21/2015 Hazardous Materials: Requirements for the Safe Transportation of Bulk Explosives (RRR) Rule 171, 172, 173, 177
11/23/2015 Hazardous Materials: Editorial Corrections and Clarifications (RRR) Rule 171, 172, 173, 175, 176, 177, 178, 180
05/08/2015 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains Rule 171, 172, 173, 174, 179
01/30/2015 Hazardous Materials: Adoption of Special Permits (MAP-21) (RRR) Proposed Rule 171, 172, 173, 174, 176, 177, 178, 180
01/23/2015 Hazardous Materials: Miscellaneous Amendments (RRR) Proposed Rule 107, 171, 172, 173, 175, 176, 177, 178, 179, 180
01/08/2015 Hazardous Materials: Harmonization With International Standards (RRR) Rule 171, 172, 173, 175, 176, 178, 180
08/25/2014 Hazardous Materials: Harmonization With International Standards (RRR) Proposed Rule 171, 172, 173, 175, 176, 178, 180
08/11/2014 Hazardous Materials: Reverse Logistics (RRR) Proposed Rule 171, 173
08/06/2014 Hazardous Materials: Transportation of Lithium Batteries Rule 171, 172, 173, 175
08/01/2014 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains Proposed Rule 171, 172, 173, 174, 179
07/15/2014 Hazardous Materials: Requirements for the Safe Transportation of Bulk Explosives (RRR) Proposed Rule 171, 172, 173, 177
07/11/2014 Hazardous Materials: Compatibility With the Regulations of the International Atomic Energy Agency (RRR) Rule 171, 172, 173, 174, 175, 176, 177, 178
03/18/2014 Hazardous Materials: Adoption of Certain Special Permits and Competent Authorities Into Regulations Rule 107, 171, 172, 173, 175, 178
10/31/2013 Hazardous Materials: Corrections and Response to Administrative Appeals (HM-215K, HM-215L, HM-218G and HM-219). Rule 171, 172, 173, 175, 176, 178
10/02/2013 Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) Rule 107, 130, 171, 172, 173, 174, 177, 178, 179, 180
07/30/2013 Hazardous Materials: Approval and Communication Requirements for the Safe Transportation of Air Bag Inflators, Air Bag Modules, and Seat-Belt Pretensioners (RRR) Rule 172, 173
07/16/2013 Hazardous Materials: Revision to Fireworks Regulations (RRR) Rule 107, 171, 172, 173
03/11/2013 Hazardous Materials; Miscellaneous Amendments (RRR) Rule 105, 171, 172, 173, 177, 178, 180
01/07/2013 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air Rule 171, 172, 173, 175, 176, 178
01/07/2013 Hazardous Materials: Harmonization with International Standards (RRR) Rule 171, 172, 173, 175, 176, 177, 178
10/22/2012 Hazardous Materials: Incorporation of Certain Special Permits and Competent Authorities Into Regulations Proposed Rule 107, 172, 173, 175, 178
10/05/2012 Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) Rule 107, 171, 172, 173, 175, 178, 179
08/30/2012 Hazardous Materials: Revision to Fireworks Regulations (RRR) Proposed Rule 107, 172, 173
08/15/2012 Hazardous Materials: Harmonization with International Standards (RRR) Proposed Rule 171, 172, 173, 175, 176, 178
06/25/2012 Hazardous Materials: Incorporating Rail Special Permits Into the Hazardous Materials Regulations Rule 171, 172, 173, 174, 179, 180
05/25/2012 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air Proposed Rule 171, 172, 173, 175, 176, 178
04/26/2012 Hazardous Materials; Miscellaneous Amendments (RRR) Proposed Rule 105, 171, 172, 173, 177, 178, 180
04/16/2012 Hazardous Materials; Packages Intended for Transport by Aircraft Rule 173
03/26/2012 Hazardous Materials: Approval and Communication Requirements for the Safe Transportation of Air Bag Inflators, Air Bag Modules, and Seat-Belt Pretensioners Proposed Rule 173
12/30/2011 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods: Model Regulations, International Maritime Dangerous Goods Code, and the International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air Rule 172, 173, 175, 176