US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
The US Department of Transportation's Hazardous Materials Regulations: classification against the Hazardous Materials Table, shipping papers with emergency response information, marking, labeling and placarding, hazmat employee training and security plans, shipper and carrier duties by rail, air, vessel and highway, packaging specifications, and periodic requalification of cylinders, cargo tanks and tank cars.
US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) is a compliance framework from United States (federal, pre-empting inconsistent state and local requirements under 49 U.S.C. 5125) with 6 domains and 28 controls. The largest domains are Part 172 Subparts A to G: Hazardous materials table, shipping papers, marking, labeling, placarding and emergency response information – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) (6 controls), Part 173: Shipper responsibilities, classification and general packaging requirements – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) (6 controls), Parts 174 to 177: Carriage by rail, aircraft, vessel and public highway – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) (5 controls). Every control below carries what it requires and what an assessor expects to see.
Framework summaries on this platform are AI-assisted interpretations for educational and compliance planning purposes. They do not reproduce or replace the official standards. Refer to the authoritative source for the definitive text. Framework names and trademarks belong to their respective organisations.
Framework Domains (6)
Part 171: General information, applicability, incident reporting and international standards – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
| Code | Title |
|---|---|
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::171.15-16 | Incident reporting: immediate telephone notice for serious incidents and written DOT Form F 5800.1 within 30 days (171.15, 171.16) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::171.2 | General requirements: no offering or transporting unless the material is properly classed, described, packaged, marked, labeled and in condition for transport; no false representations (171.2) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::171.22-26 | Use of international standards: ICAO Technical Instructions, IMDG Code, Transport Canada TDG and UN Recommendations with the additional US conditions (171.22 to 171.26) |
Part 172 Subparts A to G: Hazardous materials table, shipping papers, marking, labeling, placarding and emergency response information – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
| Code | Title |
|---|---|
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.101-102 | Hazardous Materials Table and special provisions: proper shipping name, hazard class, identification number, packing group, labels, packaging and quantity limits (172.101, 172.102) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.200-205 | Shipping papers: description, sequence, quantity, emergency response telephone number, shipper's certification and retention (172.200 to 172.205) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.300-338 | Marking: proper shipping name, identification number, technical names, orientation arrows, limited quantity and other package markings; bulk packaging identification numbers (172.300 to 172.338) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.400-406 | Labeling: primary and subsidiary hazard labels, placement near the shipping name, size, durability and the 172.400a exceptions (172.400 to 172.407) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.500-560 | Placarding: offeror provides and carrier affixes placards on bulk packagings, freight containers, transport vehicles and rail cars; Tables 1 and 2; the 1,001 pound threshold and DANGEROUS placard (172.500 to 172.560) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.600-606 | Emergency response information on or with the shipping paper and a monitored emergency response telephone number (172.600 to 172.606) |
Part 172 Subparts H and I: Training and security plans – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
| Code | Title |
|---|---|
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.700-704 | Hazmat employee training: general awareness, function-specific, safety, security awareness and in-depth security training, initial within 90 days and recurrent every three years, with records (172.700 to 172.704) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.800-804 | Security plans: required for listed shipments, with risk assessment, personnel security, unauthorised access and en route security components, written, reviewed annually, with training and records (172.800 to 172.804) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::172.820-822 | Rail carriers of security-sensitive materials: annual commodity data, route analysis, alternative route evaluation and selection, with public point of contact and storage limits (172.820, 172.822) |
Part 173: Shipper responsibilities, classification and general packaging requirements – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
| Code | Title |
|---|---|
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::173.1-22 | Shipper's responsibility: determine the hazard class, select an authorised packaging, assemble it as the manufacturer's closure instructions require, and meet the Part 173 general requirements (173.1, 173.22, 173.22a) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::173.150-156 | Exceptions: limited quantities, consumer commodities (ORM-D), excepted quantities and the class-specific exceptions, with the conditions each imposes (173.4, 173.4a, 173.4b, 173.150 to 173.156) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::173.158-230 | Class-specific packaging requirements for non-bulk and bulk packagings: Parts 173 Subparts E and F (173.158 to 173.249), including Division 6.2 infectious substances, Class 7 and the explosives packaging sections |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::173.24-24b | General requirements for packagings and packages: no release, compatibility, closures, filling limits, absorbent material, outage and pressure, venting and the non-bulk and bulk additional requirements (173.24, 173.24a, 173.24b) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::173.25-40 | Overpacks, reuse and reconditioning of packagings, empty packagings, salvage packagings, and cylinder and portable tank general use (173.25, 173.28, 173.29, 173.3, 173.301 family, 173.32 family) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::173.50-140 | Hazard class definitions and classification criteria: Classes 1 to 9 and ORM-D, precedence of hazards, and the explosives, flammable, oxidiser, poison, infectious substance, radioactive, corrosive and lithium battery provisions (173.50 to 173.140, 173.185, 173.403 to 173.476) |
Parts 174 to 177: Carriage by rail, aircraft, vessel and public highway – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
| Code | Title |
|---|---|
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::174 | Carriage by rail: acceptance, shipping paper, placard and car inspection, loading and unloading, segregation and the tank car special rules (174.1 to 174.115) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::175 | Carriage by aircraft: acceptance checks, pilot-in-command notification, quantity limits, loading and stowage, inspection for damage, lithium battery and oxygen rules and passenger and crew exceptions (175.1 to 175.705) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::176 | Carriage by vessel: dangerous cargo manifest, stowage and segregation, inspection, port and ferry restrictions, and the class-specific vessel provisions (176.1 to 176.907) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::177.800-817 | Carriage by public highway: carrier acceptance and training, driver instruction, shipping paper accessibility in the cab, and retention (177.800 to 177.817) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::177.834-848 | Highway loading, unloading, segregation, attendance and class-specific handling: securement, no smoking, brakes set, attendance of cargo tanks, the 177.848 segregation table and the Class 1, 2, 3, 4, 5, 6, 7 and 8 provisions (177.834 to 177.848) |
Parts 178 to 180: Packaging specifications and continuing qualification and maintenance – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)
| Code | Title |
|---|---|
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::178-SPEC | Packaging specifications and the manufacturer's and certifier's duties: cylinders, UN standard non-bulk packagings and performance tests, IBCs and large packagings, cargo tanks and portable tanks (178.1 to 178.1030) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::179 | Tank car specifications: approval by the AAR Tank Car Committee, design, construction, pressure relief, thermal protection, head shields and the DOT 105, 111, 112, 113, 117 and 120 specifications (179.1 to 179.500) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::180.205-215 | Continuing qualification of cylinders: requalification by a PHMSA-approved requalifier, visual and hydrostatic or ultrasonic tests at the 180.209 intervals, condemnation and marking, with records (180.201 to 180.217) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::180.405-417 | Continuing qualification of cargo tanks: external and internal visual, lining, leakage, pressure and thickness tests at the 180.407 intervals, by Registered Inspectors, with repairs, marking and records (180.401 to 180.417) |
| us-dot-hazardous-materials-regulations-49-cfr-parts-171-to-180::180.500-605 | Continuing qualification of tank cars, portable tanks and IBCs: periodic inspection and test intervals, qualified facilities, repairs and records (180.501 to 180.519, 180.601 to 180.605, 180.350 to 180.352) |
What is US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) and who does it apply to?
US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) is a compliance framework from United States (federal, pre-empting inconsistent state and local requirements under 49 U.S.C. 5125) with 6 domains and 28 controls. The US Department of Transportation's Hazardous Materials Regulations: classification against the Hazardous Materials Table, shipping papers with emergency response information, marking, labeling and placarding, hazmat employee training and security plans, shipper and carrier duties by rail, air, vessel and highway, packaging specifications, and periodic requalification of cylinders, cargo tanks and tank cars. It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.
What does US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) actually require?
US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) has 28 controls organised across 6 domains. The largest domains are Part 172 Subparts A to G: Hazardous materials table, shipping papers, marking, labeling, placarding and emergency response information – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) (6 controls), Part 173: Shipper responsibilities, classification and general packaging requirements – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) (6 controls), Parts 174 to 177: Carriage by rail, aircraft, vessel and public highway – US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) (5 controls). Each control defines specific requirements that organisations must implement to achieve compliance.
If I already comply with another framework, how much of US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) do I already cover?
US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) does not currently have cross-framework mappings in our system. Check back as we continuously expand our mapping database.
How do I implement US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180)?
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