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Rulemaking Documents

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 rulesmaking documents dating back to 1995.

If you need to see rules prior to 1995, please contact:

Office of Hazardous Materials Safety: 202-366-4488

Office of Pipeline Safety: 202-366-4595
Date Subject Part
07/23/2015 Pipeline Safety: Pipeline Damage Prevention Programs 196 198
07/15/2015 Pipeline Safety: Expanding the Use of Excess Flow Valves in Gas Distribution Systems to Applications Other Than Single-Family Residences 192
07/10/2015 Pipeline Safety: Operator Qualification, Cost Recovery, Accident and Incident Notification, and Other Pipeline Safety Proposed Changes 190 191 192 195 199
05/21/2015 Pipeline Safety: Plastic Pipe Rule 192
05/08/2015 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains 171 172 173 174 179
04/02/2015 Clarification on Policy for Additional Name Requests Regarding Fireworks 173
03/30/2015 Hazardous Materials: Spare Fuel Cell Cartridges Containing Flammable Gas Transported by Aircraft in Passenger and Crew Member Checked Baggage 175
03/11/2015 Pipeline Safety: Miscellaneous Changes to Pipeline Safety Regulations 191 192 195
02/20/2015 Hazardous Materials: Transportation of Lithium Batteries 171 172 173 175
01/30/2015 Hazardous Materials: Adoption of Special Permits (MAP-21) (RRR) 171 172 173 174 176 177 178 180
01/23/2015 Hazardous Materials: Miscellaneous Amendments (RRR) 107 171 172 173 175 176 177 178 179 180
01/08/2015 Hazardous Materials: Harmonization With International Standards (RRR) 171 172 173 175 176 178 180
01/05/2015 Pipeline Safety: Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Amendments 192 193 195 198 199
09/25/2014 Hazardous Materials: Reverse Logistics (RRR). 171 173
09/24/2014 Clarification on Fireworks Policy Regarding Display Aerial Shells With Attachments 173
09/24/2014 Clarification on Fireworks Policy Regarding Display Mines 173
09/16/2014 Hazardous Materials: Emergency Restriction/Prohibition Order 109 171
09/12/2014 Hazardous Materials: Special Permit and Approvals Standard Operating Procedures and Evaluation Process 105 107 171
08/25/2014 Hazardous Materials: Harmonization With International Standards (RRR) 171 172 173 175 176 178 180
08/12/2014 Hazardous Materials: Special Permit and Approvals Standard Operating Procedures and Evaluation Process 105 107 171
08/11/2014 Hazardous Materials: Reverse Logistics (RRR) 171 173
08/07/2014 Hazardous Materials: Failure To Pay Civil Penalties 107 109
08/06/2014 Hazardous Materials: Transportation of Lithium Batteries 171 172 173 175
08/01/2014 Hazardous Materials: Oil Spill Response Plans for High-Hazard Flammable Trains 130 174
08/01/2014 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains 171 172 173 174 179
07/25/2014 Shippers-General Requirements for Shipments and Packagings 173
07/15/2014 Hazardous Materials: Requirements for the Safe Transportation of Bulk Explosives (RRR) 171 172 173 177
07/11/2014 Hazardous Materials: Compatibility With the Regulations of the International Atomic Energy Agency (RRR) 171 172 173 174 175 176 177 178
03/18/2014 Hazardous Materials: Adoption of Certain Special Permits and Competent Authorities Into Regulations 107 171 172 173 175 178
03/14/2014 Hazardous Materials: Adoption of ASME Code Section XII and the National Board Inspection Code 171 173 178 180
02/25/2014 Hazardous Materials: Cargo Tank Motor Vehicle Loading and Unloading Operations 177
12/30/2013 Hazardous Materials: Adoption of ASME Code Section XII and the National Board Inspection Code 171 173 178 180
11/19/2013 Hazardous Materials Table, Special Provisions, Hazardous Materials Communications, Emergency Response Information, Training Requirements, and Security Plans 172
11/05/2013 Hazardous Materials: Rail Petitions and Recommendations To Improve the Safety of Railroad Tank Car Transportation (RRR) 173 174 178 179 180
10/31/2013 Hazardous Materials: Corrections and Response to Administrative Appeals (HM-215K, HM-215L, HM-218G and HM-219). 171 172 173 175 176 178
10/02/2013 Clarification on Fireworks Policy Regarding Approvals or Certifications for Firework Series 173
10/02/2013 Clarification on Fireworks Policy Regarding Approvals or Certifications for Specialty Fireworks Devices 173
10/02/2013 Hazardous Materials Regulations: Penalty Guidelines 107
10/02/2013 Hazardous Materials: Enhanced Enforcement Procedures-Resumption of Transportation 109
10/02/2013 Hazardous Materials: Minor Editorial Corrections and Clarifications (RRR) 107 130 171 172 173 174 177 178 179 180
09/30/2013 Pipeline Safety: Class Location Requirements 192
09/25/2013 Highway-Rail Grade Crossing; Safe Clearance 177
09/25/2013 Pipeline Safety: Administrative Procedures; Updates and Technical Corrections 190 192 193 195 199
09/24/2013 Hazardous Materials: Failure To Pay Civil Penalties 107 109
09/06/2013 Hazardous Materials: Rail Petitions and Recommendations To Improve the Safety of Railroad Tank Car Transportation (RRR) 173 174 178 179 180
08/16/2013 Pipeline Safety: Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Amendments 192 193 195 199
08/01/2013 Pipeline Safety: Class Location Requirements 192
07/31/2013 Transportation of Hazardous Liquids by Pipeline 195
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) 172 173
07/25/2013 Specifications for Packagings 178