Title 49 of the US Code of Federal Regulations (49 CFR) contains all US regulations dealing with Transportation in the United States. The Title is organized into nine volumes, and the regulations it contains are authored by various components of the Departments of Transportation and Homeland Security. Most notably, 49 CFR contains the US Hazardous Material Regulations (HMR) in Parts 100-177.
| Title | Volume | Chapter | Browse Parts | Regulatory Entity |
|---|---|---|---|---|
| Title 49 Transportation | Subtitle A—Office of the Secretary of Transportation | |||
| 1 | 1-99 | Subtitle A—Office of the Secretary of Transportation | ||
| Subtitle B—Other Regulations Relating to Transportation | ||||
| 2 | I | 100-177 | Pipeline and Hazardous Materials Safety Administration, Department of Transportation | |
| 3 | 178-199 | |||
| 4 | II | 200-299 | Federal Railroad Administration, Department of Transportation | |
| 5 | III | 300-399 | Federal Motor Carrier Safety Administration, Department of Transportation | |
| 6 | ||||
| V | 500-571 | National Highway Traffic Safety Administration, Department of Transportation | ||
| 7 | 572-599 | |||
| VI | 600-699 | Federal Transit Administration, Department of Transportation | ||
| VII | 700-799 | National Railroad Passenger Corporation (AMTRAK) | ||
| VIII | 800-999 | National Transportation Safety Board | ||
| 8 | X | 1000-1199 | Surface Transportation Board, Department of Transportation | |
| 9 | 1200-1399 | |||
| XI | [Reserved] | |||
| XII | 1500-1699 | Transportation Security Administration, Department of Homeland Security | ||
This nineth volume contains transportation regulations authored by the Surface Transportation Board in a continuation of chapter ten and regulations authored by the Transportation Security Administration in chapter twelve:
Chapter X—Surface Transportation Board, Department of Transportation
- Subchapter C—Accounts, Records and Reports
- Parts 1200-1219 - Uniform Systems of Accounts
- Part 1200 - General Accounting Regulations Under the Interstate Commerce Act
- Part 1201 - Railroad Companies
- Parts 1202-1219 - [Reserved]
- Part 1220 - Preservation of Records
- Parts 1240-1259 - Reports
- Part 1241 - Annual, Special, or Periodic Reports: Carriers Subject to Part I of the Interstate Commerce Act
- Part 1242 - Separation of Common Operating Expenses Between Freight Service and Passenger Service for Railroads
- Part 1243 - Quarterly Operating Reports: Railroads
- Part 1244 - Waybill Analysis of Transportation of Property: Railroads
- Part 1245 - Classification of Railroad Employees; Reports of Service and Compensation
- Part 1246 - Number of Railroad Employees
- Part 1247 - Report of Cars Loaded and Cars Terminated
- Part 1248 - Freight Commodity Statistics
- Parts 1250-1252 - [Reserved]
- Part 1253 - Rate-Making Organization; Records and Reports
- Parts 1260-1269 - Valuation
- Parts 1260-1261 - [Reserved]
- Parts 1280-1299 - Classification and Declassification of National Security Information and Material
- Part 1280 - Handling of National Security Information and Classified Material
- Parts 1281-1299 - [Reserved]
- Subchapter D—Carrier Rates and Service Terms
- Part 1300 - Disclosure, Publication, and Notice of Change of Rates and Other Service Terms for Rail Common Carriage
- Part 1301 - [Reserved]
- Part 1302 - Export and Import Shipments; Railroads
- Part 1305 - Disclosure and Notice of Change of Rates and Other Service Terms for Pipeline Common Carriage
- Part 1310 - Tariff Requirements for Household Goods Carriers
- Part 1312 - Regulations for the Publication, Posting and Filing of Tariffs for the Transportation of Property by or With a Water Carrier in Noncontiguous Domestic Trade
- Part 1313 - Railroad Contracts for the Transportation of Agricultural Products
- Part 1319 - Exemptions
- Parts 1320-1324 - [Reserved]
- Part 1325 - Extension of Credit to Candidates for Federal Office or Their Representatives
- Part 1331 - Applications Under 49 U.S.C. 10706 and 13703
- Part 1332 - Filing Contracts for Surface Mail Transportation
Chapter XI—Research and Innovative Technology Administration, Department of Transportation—[Reserved]
Chapter XII—Transportation Security Administration, Department of Homeland Security
- Subchapter A—Administrative and Procedural Rules
- Part 1500 - Applicability, Terms, and Abbreviations
- Part 1502 - Organization, Functions, and Procedures
- Part 1503 - Investigative and Enforcement Procedures
- Part 1507 - Privacy Act-Exemptions
- Part 1510 - Passenger Civil Aviation Security Service Fees
- Part 1511 - Aviation Security Infrastructure Fee
- Part 1515 - Appeal and Waiver Procedures for Security Threat Assessments for Individuals
- Subchapter B—Security Rules for All Modes of Transportation
- Part 1520 - Protection of Sensitive Security Information
- Subchapter C—Civil Aviation Security
- Part 1540 - Civil Aviation Security: General Rules
- Part 1542 - Airport Security
- Part 1544 - Aircraft Operator Security: Air Carriers and Commercial Operators
- Part 1546 - Foreign Air Carrier Security
- Part 1548 - Indirect Air Carrier Security
- Part 1549 - Certified Cargo Screening Program
- Part 1550 - Aircraft Security Under General Operating and Flight Rules
- Part 1552 - Flight Schools
- Part 1560 - Secure Flight Program
- Part 1562 - Operations in the Washington, Dc, Metropolitan Area
- Part 1570 - General Rules
- Part 1572 - Credentialing and Security Threat Assessments
- Part 1580 - Rail Transportation Security