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Subpart A—General Requirements8

Subpart B—General Operating Requirements4

Subpart C—General Handling and Loading Requirements7

Subpart D—Handling of Placarded Rail Cars, Transport Vehicles and Freight Containers5

Subpart E—Class I (Explosive) Materials10

Subpart F—Detailed Requirements for Class 2 (Gases) Materials4

Subpart G—Detailed Requirements for Class 3 (Flammable Liquid) Materials4

Subpart J—Detailed Requirements for Division 6.1 (Poisonous) Materials3

Subpart K—Detailed Requirements for Class 7 (Radioactive) Materials3

Regulationcurrent

49 CFR 174.1

Purpose and scope.

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

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This part prescribes requirements in addition to those contained in parts 171, 172, 173, and 179 of this subchapter, to be observed with respect to the transportation of hazardous materials in or on rail cars.#