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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
02/03/2010 Pipeline Safety: Control Room Management/Human Factors, Correction 192 195
02/02/2010 Pipeline Safety: Integrity Management Program for Gas Distribution Pipelines; Correction 192
02/02/2010 Hazardous Materials Transportation; Registration and Fee Assessment Program 107
02/02/2010 Hazardous Material; Miscellaneous Packaging Amendments 171 172 173 174 178
01/11/2010 Hazardous Materials: Transportation of Lithium Batteries 172 173 175
01/04/2010 Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions; Correction 171 172 173 175 178
12/31/2009 Pipeline Safety: Integrity Management Program for Gas Distribution Pipelines 192
12/29/2009 Hazardous Materials: Adjustment of Maximum and Minimum Civil Penalties 107 171
12/22/2009 Hazardous Materials: Incorporation of Special Permits Into Regulations 105 107 171 173 174 176 177 179
12/11/2009 Hazardous Materials: Chemical Oxygen Generators 172
12/04/2009 Pipeline Safety: Integrity Management Program for Gas Distribution Pipelines 192
12/03/2009 Pipeline Safety: Control Room Management/Human Factors 192 195
11/30/2009 Pipeline Safety: Editorial Amendments to the Pipeline Safety Regulations. 190 192 195 198
10/29/2009 Pipeline Safety: Pipeline Damage Prevention Programs 190 192 195 198
10/22/2009 Hazardous Materials: Revision of Requirements for Emergency Response Telephone Numbers 172 174
10/21/2009 Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods Model Regulations, International Maritime Dangerous Goods Code, International Civil Aviation Organization Technical Instructions for the Safe Transport of Dangerous Goods by Air, and Transport Canada's Transport of Dangerous Goods Regulations 171 172 173 174 175 176 177 178 179 180
10/19/2009 Hazardous Materials: Revision of Requirements for Emergency Response Telephone Numbers 172 174
10/16/2009 Hazardous Materials: Minor Editorial Corrections and Clarifications 107 171 172 173 174 180
10/15/2009 Hazardous Materials: Chemical Oxygen Generators 172
07/22/2009 Pipeline Safety: Periodic Updates of Regulatory References to Technical Standards and Miscellaneous Edits 192 193 195
07/17/2009 Pipeline Safety: Notice of Technical Pipeline Safety Advisory Committee Meetings 192
07/02/2009 Pipeline Safety: Updates to Pipeline and Liquefied Natural Gas Reporting Requirements 191 192 193 195
06/26/2009 Pipeline Safety: Incorporation by Reference Update: American Petroleum Institute (API) Standards 5L and 1104 192 195
06/22/2009 Hazardous Materials Transportation; Miscellaneous Revisions to Registration and Fee Assessment Program 107
05/11/2009 [No title available] 105 119 129 133 135 139 141 147 17 189 198 1 1200 1252 1300 1201 1253 110 14 17 178 195
04/14/2009 Pipeline Safety: Incorporation by Reference Update: American Petroleum Institute (API) Standards 5L and 1104 192 195
04/09/2009 Hazardous Materials: Miscellaneous Cargo Tank Motor Vehicle and Cylinder Issues; Petitions for Rulemaking 171 173 176 178 180
01/16/2009 Pipeline Safety: Administrative Procedures, Address Updates, and Technical Amendments 190 191 192 193 194 195 199
01/14/2009 Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions 171 172 173 175 176 178
01/13/2009 Hazardous Materials: Improving the Safety of Railroad Tank Car Transportation of Hazardous Materials 171 172 173 174 179
12/24/2008 Pipeline Safety: Polyamide-11 (PA-11) Plastic Pipe Design Pressures 192
12/01/2008 Pipeline Safety: Standards for Increasing the Maximum Allowable Operating Pressure for Gas Transmission Pipelines 192
11/26/2008 Hazardous Materials: Enhancing Rail Transportation Safety and Security for Hazardous Materials Shipments 172 174
10/17/2008 Pipeline Safety: Standards for Increasing the Maximum Allowable Operating Pressure for Gas Transmission Pipelines 192
10/02/2008 Hazardous Materials: Enhanced Enforcement Authority Procedures 109
10/01/2008 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications 171 172 173 175 176 178 179 180
10/01/2008 Hazardous Materials Table, Special Provisions, Hazardous Materials Communications, Emergency Response Information, and Training Requirements 172
09/12/2008 Pipeline Safety: Integrity Management Program for Gas Distribution Pipelines 192
09/12/2008 Pipeline Safety: Control Room Management/Human Factors 192 193 195
09/09/2008 Hazardous Materials: Risk-Based Adjustment of Transportation Security Plan Requirements 172
07/31/2008 Hazardous Materials: Revision to Requirements for the Transportation of Batteries and Battery-Powered Devices; and Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions 171 172 173 175 176 178
07/23/2008 Petitions for Interim Standards for Rail Tank Cars Used to Transport Toxic-by-Inhalation Hazard Materials 171 172 173
07/07/2008 Hazardous Materials; Combination Packages Containing Liquids Intended for Transport by Aircraft 171 173 178
07/03/2008 Hazardous Materials: Requirements for the Storage of Explosives During Transportation 173 177
06/25/2008 Pipeline Safety: Integrity Management Program for Gas Distribution Pipelines 192
06/03/2008 Pipeline Safety: Protecting Unusually Sensitive Areas From Rural Onshore Hazardous Liquid Gathering Lines and Low-Stress Lines 195
05/12/2008 Pipeline Safety: Standards for Increasing the Maximum Allowable Operating Pressure for Gas Transmission Pipelines 192
05/05/2008 Hazardous Materials Transportation; Registration and Fee Assessment Program 107
04/30/2008 Hazardous Materials: Fuel Cell Cartridges and Systems Transported on Board Passenger Aircraft in Carry-On Baggage 171 173 175
04/16/2008 Hazardous Materials: Enhancing Rail Transportation Safety and Security for Hazardous Materials Shipments 172 174