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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 174.20

Local or carrier restrictions.

Current as of 2026-08-18 Government source

eCFR editorial compilationAuthoritative but unofficial

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Link to an amendment published at 91 FR 49324, Aug. 4, 2026.#

(a)When local conditions make the acceptance, transportation, or delivery of hazardous materials unusually hazardous, local restrictions may be imposed by the carrier.#

(b)Each carrier must report to the Bureau of Explosives for publication the full information as to any restrictions which it imposes against the acceptance, delivery, or transportation of hazardous materials, over any portion of its lines under this section.#