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Hazmat Transportation
National Summary
The U.S. Department of Transportation (DOT), through its hazardous material regulations (HMRs), specifies requirements for the safe transportation of hazardous materials in commerce by rail, aircraft, vessel, and motor vehicle. DOT has general requirements for the loading, unloading, handling, and storage of explosives and hazardous materials as well as specific modal requirements. This section outlines DOT's requirements for hazardous materials transporters over roads and highways.
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 271 items in 7 pages
Guidance Documents DOT Letters of Interpretation for 49 CFR 172.704 Training Requirements  National
Guidance Documents Guide to Developing a Hazmat Training Program  National
Checklists Hazardous Matrials Security - Driver Best Practices Checklist  National
Proposed Regulations 40 CFR 107 and 109 - Hazardous Materials: Failure To Pay Civil Penalties 09/25/2013National
Proposed Regulations 40 CFR 172 and 40 CFR 173 - Hazardous Materials: Liquefied Natural Gas by Rail; Extension of Comment Period 12/23/2019National
Proposed Regulations 40 CFR 177 - Hazardous Materials: Cargo Tank Motor Vehicle Loading and Unloading Operations 02/25/2014National
Final Regulations 40 CFR Parts 192 and 195 - Pipeline Safety: Requirement of Valve Installation and Minimum Rupture Detection Standards: Technical Corrections 08/01/2023National
Notices 46 CFR 30, 150, and 153 - 2012 Liquid Chemical Categorization Updates 09/16/2013National
Final Regulations 49 CFR 107, 171, 172, 173, 175, 178, and 179 - Hazardous Materials: Minor Editorial Corrections and Clarifications 10/05/2012National
Final Regulations 49 CFR 106, 107, et al. - Hazardous Materials: Editorial Corrections and Clarifications; Final Rule 12/21/2020National
Final Regulations 49 CFR 107 - Hazardous Materials; Temporary Reduction of Registration Fees 04/19/2013National
Final Regulations 49 CFR 107 and 110 - Hazardous Materials: Revisions to Hazardous Materials Grants Requirements (FAST Act) 02/14/2019National
Final Regulations 49 CFR 107 and 171 - Hazardous Materials: Revision of Maximum and Minimum Civil Penalties 04/17/2013National
Final Regulations 49 CFR 107, 130, 171, 172, 173, 174, 177, 178, 179, and 180 - Hazardous Materials: Minor Editorial Corrections and Clarifications 10/02/2013National
Final Regulations 49 CFR 107, 171, 172, 173 - Hazardous Materials: Revision to Fireworks Regulations (RRR) 07/16/2013National
Final Regulations 49 CFR 107, 171, 172, 173, 175, and 178 - Hazardous Materials: Adoption of Certain Special Permits and Competent Authorities Into Regulations 03/18/2014National
Proposed Regulations 49 CFR 107, 171, 172, et al - Hazardous Materials: Advancing Safety of Highway, Rail, and Vessel Transportation; Proposed Rule 10/28/2024National
Final Regulations 49 CFR 107, 171, 173, et al. - Hazardous Materials: Miscellaneous Amendments Pertaining to DOT-Specification Cylinders; Final Rule 12/28/2020National
Final Regulations 49 CFR 107, 171, and 190 - Pipeline and Hazardous Materials Safety Administration 07/31/2019National
Proposed Regulations 49 CFR 107, 172, 173, 175, and 178 - Hazardous Materials: Incorporation of Certain Special Permits and Competent Authorities Into Regulations 10/22/2012National
Proposed Regulations 49 CFR 109 - Hazardous Materials: Enhanced Enforcement Procedures--Resumption of Transportation 05/22/2013National
Final Regulations 49 CFR 109 - Hazmat Transportation 10/02/2013National
Final Regulations 49 CFR 171, 172, 173, 175, 176 and 178 - Hazardous Materials: Harmonization With the United Nations Recommendations on the Transport of Dangerous Goods 01/07/2013National
Proposed Regulations 49 CFR 171, 172, 173, 175, 176, 178, and 180 - Hazardous Materials: Harmonization With International Standards 08/10/2021National
Final Regulations 49 CFR 171, 172, 173, et al - Hazardous Materials: Harmonization with International Standards, Harmonization with the United Nations, and Transportation of Lithium Batteries 01/07/2013National
Final Regulations 49 CFR 171, 172, 173, et al. - Hazardous Materials: Compatibility With the Regulations of the International Atomic Energy Agency (RRR); Final Rule 07/11/2014National
Final Regulations 49 CFR 171, 172, 173, et al. - Hazardous Materials: Corrections and Response to Administrative Appeals 10/31/2013National
Proposed Regulations 49 CFR 171, 172, et al. - Hazardous Materials: Harmonization With International Standards; Proposed Rule 05/30/2023National
Proposed Regulations 49 CFR 171, 173, 178, and 180 - Hazardous Materials: Adoption of ASME Code Section XII and the National Board Inspection Code 03/14/2014National
Proposed Regulations 49 CFR 171,172,173, et al. - Hazardous Materials: Harmonization with International Standards 08/15/2012National
Final Regulations 49 CFR 172 - Correction to Hazardous Materials Table 11/19/2013National
Final Regulations 49 CFR 172 - Hazardous Materials: Harmonization with International Standards 02/06/2013National
Final Regulations 49 CFR 172 and 173 - Hazardous Materials: Enhanced Safety Provisions for Lithium Batteries Transported by Aircraft (FAA Reauthorization Act of 2018) 03/06/2019National
Final Regulations 49 CFR 172 and 175 - Hazardous Materials: Notification of the Pilot-in-Command and Response to Air Related Petitions for Rulemaking 10/18/2018National
Proposed Regulations 49 CFR 172, 173, and 175 - Hazardous Materials: Transportation of Lithium Batteries 01/07/2013National
Proposed Regulations 49 CFR 173, 174, 178, 179, and 180 - Safety of Railroad Tank Car Transportation 09/06/2013National
Final Regulations 49 CFR 174 and 179 - Hazardous Materials: Removal of Electronically Controlled Pneumatic Brake System Requirements for High Hazard Flammable Unit Trains 09/25/2018National
Final Regulations 49 CFR 177 and 392 - Highway-Rail Grade Crossing; Safe Clearance 09/25/2013National
Final Regulations 49 CFR 191 and 192 - Pipeline Safety: Safety of Gas Gathering Pipelines: Extension of Reporting Requirements, Regulation of Large, High-Pressure Lines, and Other Related Amendments: Response to a Petition for Reconsideration; Technical Corrections 05/04/2022National
Final Regulations 49 CFR 195 - Transportation of Hazardous Liquids by Pipeline 07/31/2013National