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Title 49

Displaying title 49, up to date as of 8/17/2026. Title 49 was last amended 8/07/2026.
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Title 49TransportationPart / Section
Subtitle BOther Regulations Relating to Transportation100 – 1699
Chapter IPipeline and Hazardous Materials Safety Administration, Department of Transportation100 – 199
Subchapter CHazardous Materials Regulations171 – 185
Part 174Carriage by Rail174.1 – 174.750
Subpart AGeneral Requirements174.1 – 174.20
Subpart BGeneral Operating Requirements174.24 – 174.50
§ 174.24Shipping papers.
§ 174.26Notice to train crews.
§ 174.28Electronic Train Consist Information.
§ 174.50Nonconforming or leaking packages.
Subpart CGeneral Handling and Loading Requirements174.55 – 174.81
Subpart DHandling of Placarded Rail Cars, Transport Vehicles and Freight Containers174.82 – 174.86
Subpart EClass I (Explosive) Materials174.101 – 174.115
Subpart FDetailed Requirements for Class 2 (Gases) Materials174.200 – 174.290
§ 174.200Special handling requirements.
§ 174.201Class 2 (gases) material cylinders.
§ 174.204Tank car delivery of gases, including cryogenic liquids.
§ 174.290Materials extremely poisonous by inhalation shipped by, for, or to the Department of Defense.
Subpart GDetailed Requirements for Class 3 (Flammable Liquid) Materials174.300 – 174.312
Subparts H-I [Reserved]
Subpart JDetailed Requirements for Division 6.1 (Poisonous) Materials174.600 – 174.680
§ 174.600Special handling requirements for materials extremely poisonous by inhalation.
§ 174.615Cleaning cars.
§ 174.680Division 6.1 (poisonous) materials with foodstuffs.
Subpart KDetailed Requirements for Class 7 (Radioactive) Materials174.700 – 174.750
§ 174.700Special handling requirements for Class 7 (radioactive) materials.
§ 174.715Cleanliness of transport vehicles after use.
§ 174.750Incidents involving leakage.