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Pipeline and Hazardous Materials Safety Administration

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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 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
Date Subject Part
10/01/2019 Pipeline Safety: Safety of Gas Transmission Pipelines: MAOP Reconfirmation, Expansion of Assessment Requirements, and Other Related Amendments 191 192
10/01/2019 Pipeline Safety: Safety of Hazardous Liquid Pipelines 195
10/01/2019 Pipeline Safety: Enhanced Emergency Order Procedures 190
08/14/2019 Hazardous Materials: Adoption of Miscellaneous Petitions To Reduce Regulatory Burdens 107 171 172 173 178 179 180
08/06/2019 Hazardous Materials: Response to an Industry Petition To Reduce Regulatory Burden for Cylinder Requalification Requirements 180
07/31/2019 Revisions to Civil Penalty Amounts 13 107 171 190
04/23/2019 Conforming Amendments and Technical Corrections to Department Rules Implementing the Transportation Industry Drug Testing Program 120 199
03/26/2019 Pipeline Safety: Exercise of Enforcement Discretion Regarding Farm Taps 192
03/06/2019 Hazardous Materials: Enhanced Safety Provisions for Lithium Batteries Transported by Aircraft (FAA Reauthorization Act of 2018) 172 173
02/28/2019 Hazardous Materials: Oil Spill Response Plans and Information Sharing for High-Hazard Flammable Trains (FAST Act) 107 130 171 173 174
02/14/2019 Hazardous Materials: Revisions to Hazardous Materials Grants Requirements (FAST Act) 107 110
11/27/2018 Hazardous Materials: Harmonization With International Standards 171 172 173 175 176 178 180
11/27/2018 Revisions to Civil Penalty Amounts 13 107 171 190
11/20/2018 Pipeline Safety: Plastic Pipe Rule 192
11/15/2018 Pipeline Safety: Guidance on the Extension of the 7-year Integrity Management Reassessment Interval by 6 Months 192
11/07/2018 Hazardous Materials: Response to Petitions From Industry To Modify, Clarify, or Eliminate Regulations 171 172 173 176 178 180
10/31/2018 Hazardous Materials: Notification of the Pilot-in-Command and Response to Air Related Petitions for Rulemaking 172 175
10/18/2018 Hazardous Materials: Notification of the Pilot-in-Command and Response to Air Related Petitions for Rulemaking 172 175
09/25/2018 Hazardous Materials: Removal of Electronically Controlled Pneumatic Brake System Requirements for High Hazard Flammable Unit Trains 174 179
07/31/2018 Pipeline Safety: Class Location Change Requirements 192
06/18/2018 Hazardous Materials: Miscellaneous Amendments; Response to Appeals; Corrections 172 173 180
03/29/2018 Request for Information on Regulatory Challenges to Safely Transporting Hazardous Materials by Surface Modes in an Automated Vehicle Environment; Correction 107 171 172 173 174 177 178 179 180
03/22/2018 Request for Information on Regulatory Challenges to Safely Transporting Hazardous Materials by Surface Modes in an Automated Vehicle Environment 107 171 172 173 174 177 178 179 180
02/05/2018 General Information, Regulations, and Definitions 171
12/13/2017 Hazardous Materials: Announcement of the Department of Transportation's Decision on Electronically Controlled Pneumatic Braking 174
10/19/2017 Pipeline Safety: Safety of Underground Natural Gas Storage Facilities 191 192
10/16/2017 Hazardous Materials: Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains 174
04/27/2017 Pipeline Safety: Inflation Adjustment of Maximum Civil Penalties 190
04/19/2017 Hazardous Materials: Revision of Maximum and Minimum Civil Penalties 107 171
04/10/2017 Pipeline Safety: Guidance on Training and Qualifications for the Integrity Management Program 192
03/30/2017 Hazardous Materials: Harmonization With International Standards (RRR) 107 171 172 173 175 176 178 180
03/21/2017 Hazardous Materials: Volatility of Unrefined Petroleum Products and Class 3 Materials 171 172 173 174 177 178 179 180
01/23/2017 Pipeline Safety: Operator Qualification, Cost Recovery, Accident and Incident Notification, and Other Pipeline Safety Changes 190 191 192 195 199
01/19/2017 Hazardous Materials: FAST Act Requirements for Real-Time Train Consist Information by Rail 174
01/18/2017 Hazardous Materials: Volatility of Unrefined Petroleum Products and Class 3 Materials 171 172 173 174 177 178 179 180
12/19/2016 Pipeline Safety: Safety of Underground Natural Gas Storage Facilities 191 192
12/05/2016 Hazardous Materials: Notification of the Pilot-in-Command and Response to Air Related Petitions for Rulemaking (RRR) 172 175
11/22/2016 Pipeline Safety: Meeting of the Gas Pipeline Safety Advisory Committee 192
11/21/2016 Hazardous Materials: PIPES Act Requirements for Identification Numbers on Cargo Tanks Containing Petroleum Based Fuel 172
10/21/2016 Pipeline Safety: Expanding the Use of Excess Flow Valves in Gas Distribution Systems to Applications Other Than Single-Family Residences 192
10/14/2016 Pipeline Safety: Enhanced Emergency Order Procedures 190
10/14/2016 Pipeline Safety: Expanding the Use of Excess Flow Valves in Gas Distribution Systems to Applications Other Than Single-Family Residences 192
10/11/2016 Hazardous Materials: Revisions to Hazardous Materials Grants Requirements (RRR) 110
09/07/2016 Hazardous Materials: Harmonization With International Standards (RRR) 107 171 172 173 175 176 178 180
08/16/2016 Pipeline Safety: Clarification of Terms Relating to Pipeline Operational Status 192 195
08/15/2016 Hazardous Materials: FAST Act Requirements for Flammable Liquids and Rail Tank Cars 173 179
07/29/2016 Hazardous Materials: Oil Spill Response Plans and Information Sharing for High-Hazard Flammable Trains 130 171 173 174
07/26/2016 Hazardous Materials: Miscellaneous Amendments Pertaining to DOT-Specification Cylinders (RRR) 107 171 172 173 178 180
06/30/2016 Hazardous Materials: Miscellaneous Petitions for Rulemaking (RRR) 171 172 173 176 178 180
06/30/2016 Pipeline Safety: Inflation Adjustment of Maximum Civil Penalties 190


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