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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
05/13/2002 Hazardous Materials: Revision of Requirements for Carriage by Aircraft; Extension of Comment Period 175
05/02/2002 Hazardous Materials: Security Requirements for Offerors and Transporters of Hazardous Materials 107 171 172 177
04/30/2002 Hazardous Materials Regulations; Compatibility With the Regulations of the International Atomic Energy Agency 171 172 173 174 175 176 177 178
04/05/2002 Pipeline Safety: Producer-Operated Outer Continental Shelf Natural Gas and Hazardous Liquid Pipelines That Cross Directly Into State Waters 191 192 195
04/03/2002 Harmonization With the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions 171 172 173 174 176 178 180
04/02/2002 Hazardous Materials; Transportation of Lithium Batteries 171 172 173 175
03/21/2002 Hazardous Materials Regulations: General Information, Regulations, and Definitions 171
03/14/2002 Hazardous Materials: Temporary Reduction of Registration Fees 107
03/05/2002 Hazardous Materials: Revisions to the List of Hazardous Substances and Reportable Quantities 172
02/26/2002 Hazardous Materials: Revision of Requirements for Carriage by Aircraft 175
02/22/2002 Transportation of Hazardous Materials; Unloading of Intermodal (IM) Portable Tanks on Transport Vehicles 173 177
02/13/2002 Hazardous Materials: Availability of Information for Hazardous Materials Transported by Aircraft 175
02/13/2002 Hazardous Materials: Requirements for DOT Specification Cylinders; Withdrawal of Published Proposals and Termination of Rulemaking 107 171 172 173 177 178 180
02/12/2002 Pipeline Safety: Hazardous Liquid Accident Reporting 195
02/01/2002 Hazardous Materials: Requirements for Cargo Tanks; Correction and Extension of Comment Period 107 171 172 173 177 178 180
01/25/2002 Maps and Records of Pipeline Locations and Characteristics; Notification of State Agencies; Pipe Inventory 192 195
01/25/2002 Regulatory Flexibility Act Section 610 and Plain Language Reviews 176
01/18/2002 Pipeline Drug Testing; Random Testing Rate 199
01/16/2002 Pipeline Safety: Pipeline Integrity Management in High Consequence Areas (Hazardous Liquid Operators With Less Than 500 Miles of Pipelines) 195
01/14/2002 Pipeline Safety: Pipeline Integrity Management in High Consequence Areas (Repair Criteria) 195
01/09/2002 Pipeline Safety: High Consequence Areas for Gas Transmission Pipelines 192
01/08/2002 Hazardous Materials: Filling of Propane Cylinders; Denial of Petition for Rulemaking 173
01/08/2002 Pipeline Safety: Hazardous Liquid Pipeline Accident Reporting Revisions 195
12/27/2001 Controlling Corrosion on Hazardous Liquid and Carbon Dioxide Pipelines 195
12/04/2001 Hazardous Materials: Requirements for Cargo Tanks 107 171 172 173 177 178 180
11/27/2001 Applicability of the Hazardous Materials Regulations to Loading, Unloading, and Storage; Extension of Comment Period 171 173 174 175 176 177 178
10/02/2001 Applicability of the Hazardous Materials Regulations to Loading, Unloading, and Storage; Cancellation of Public Meetings 171 173 174 175 176 177 178
09/28/2001 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications; Correction 173 179
09/12/2001 Hazardous Materials: Retention of Shipping Papers 172 174 175 176 177
09/11/2001 Drug and Alcohol Testing for Pipeline Facility Employees 199
08/28/2001 Hazardous Materials Regulations: Minor Editorial Corrections and Clarifications 107 110 130 171 172 173 174 175 176 177 178 179 180
08/28/2001 Hazardous Materials Regulations: Editorial Corrections and Clarifications 107 171 172 173 175 176 177 178 179 180
08/22/2001 Hazardous Materials: Exceptions From Labeling and Placarding Materials Poisonous by Inhalation (PIH) 171 172
08/20/2001 Pipeline Safety: Qualification of Pipeline Personnel; Correction 192 195
08/09/2001 Transportation Workplace Drug and Alcohol Testing Programs: Response to Comments on Pre-Employment Inquiry Requirement; Common Preamble for DOT Agency Conforming Rules 121 16 199
08/08/2001 Hazardous Materials: Hazardous Waste Manifest Requirements 172
08/02/2001 Applicability of the Hazardous Materials Regulations to Loading, Unloading, and Storage; Extension of Comment Period and Announcement of Public Meetings 171 173 174 175 176 177 178
07/03/2001 Hazardous Materials: Revisions to Incident Reporting Requirements and the Hazardous Materials Incident Report Form 171
06/21/2001 Harmonization with the United Nations Recommendations, International Maritime Dangerous Goods Code, and International Civil Aviation Organization's Technical Instructions 171 172 173 175 176 177 178 179 180
06/14/2001 Applicability of the Hazardous Materials Regulations to Loading, Unloading, and Storage 171 173 174 175 176 177 178
05/02/2001 Hazardous Materials: Temporary Reduction of Registration Fees 107
04/30/2001 Drug and Alcohol Testing for Pipeline Facility Employees 199
04/30/2001 Transportation Workplace Drug and Alcohol Testing Programs; Amendments to DOT Agency Rules Conforming to Department of Transportation Final Rule 121 16 199
03/21/2001 Pipeline Safety: Pipeline Integrity Management in High Consequence Areas (Hazardous Liquid Operators With Less Than 500 Miles of Pipelines) 195
03/20/2001 Pipeline Safety: Hazardous Liquid Pipeline Accident Reporting Revisions 195
02/08/2001 Pipeline Safety: Areas Unusually Sensitive to Environmental Damage 195
02/08/2001 Pipeline Safety: Pipeline Integrity Management in High Consequence Areas (Hazardous Liquid Operators With 500 or More Miles of Pipelines) 195
02/01/2001 Harmonization With the United Nations Recommendations and the International Maritime Dangerous Goods Code 171 172 173 176
01/22/2001 Hazardous Materials: Revision to Standards for Infectious Substances and Genetically Modified Micro-Organisms 171 172 173 177 178
01/12/2001 Regulatory Flexibility Act Section 610 and Plain Language Reviews 174 177