RegulusPipeline research

Search Updates Timeline Research Projects Coverage Profile

Menu

Search Updates Timeline Research Projects Coverage Profile

Open research interfaceRegulatory evidence, ready for agents.

Public, read-only access. No account or API key required.

Start herellms.txt InstructionsLLM guide API contractOpenAPI WorkflowAgent skill ConnectMCP setup

Regulus · Pipeline research

About Terms Privacy

Source-first · Read-only · Citation-ready

49 CFR 174.1 - Purpose and scope. | Regulus

Add to project

Projects

No projects yet

Export Official source

Point-in-time view requested for 2008-10-01. Showing the nearest checked snapshot on or before that date: 2008-10-01.Return to current

Regulation documentation

49 CFR Part 174

Location

titleTitle 49 — Transportation subtitleSubtitle B — Other Regulations Relating to Transportation chapterChapter I — Pipeline and Hazardous Materials Safety Administration, Department of Transportation subchapterSubchapter C — Hazardous Materials Regulations partPart 174 subpartSubpart A—General Requirements

8 sections

Subpart A—General Requirements8

§ 174.1Purpose and scope.§ 174.2Limitation on actions by states, local governments, and Indian tribes.§ 174.3Unacceptable hazardous materials shipments.§ 174.5Carrier's materials and supplies.§ 174.9Safety and security inspection and acceptance.§ 174.14Movements to be expedited.§ 174.16Removal and disposition of hazardous materials at destination.§ 174.20Local or carrier restrictions.

Subpart B—General Operating Requirements4

§ 174.24Shipping papers.§ 174.26Notice to train crews.§ 174.28Electronic Train Consist Information.§ 174.50Nonconforming or leaking packages.

Subpart C—General Handling and Loading Requirements7

§ 174.55General requirements.§ 174.57Cleaning cars.§ 174.59Marking and placarding of rail cars.§ 174.61Transport vehicles and freight containers on flat cars.§ 174.63Portable tanks, IM portable tanks, IBCs, Large Packagings, cargo tanks, and multi-unit tank car tanks.§ 174.67Tank car unloading.§ 174.81Segregation of hazardous materials.

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

§ 174.82General requirements for the handling of placarded rail cars, transport vehicles, freight containers, and bulk packages.§ 174.83Switching placarded rail cars, transport vehicles, freight containers, and bulk packagings.§ 174.84Position in train of loaded placarded rail cars, transport vehicles, freight containers or bulk packagings when accompanied by guards or technical escorts.§ 174.85Position in train of placarded cars, transport vehicles, freight containers, and bulk packagings.§ 174.86Maximum allowable operating speed.

Subpart E—Class I (Explosive) Materials10

§ 174.101Loading Class 1 (explosive) materials.§ 174.102Forbidden mixed loading and storage.§ 174.103Disposition of damaged or astray shipments.§ 174.104Division 1.1 or 1.2 (explosive) materials; car selection, preparation, inspection, and certification.§ 174.105Routing shipments, Division 1.1 or 1.2 (explosive) materials.§ 174.106“Order-Notify” or “C.O.D.” shipments, Division 1.1 or 1.2 (explosive) materials.§ 174.110Car magazine.§ 174.112Loading Division 1.3 materials and Division 1.2 (explosive) materials (Also see § 174.101).§ 174.114Record to be made of change of seals on “Cars loaded with Division 1.1 or 1.2 (explosive) materials”.§ 174.115Loading Division 1.4 (explosive) materials.

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

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

§ 174.300Special handling requirements.§ 174.304Class 3 (flammable liquid) materials in tank cars.§ 174.310Requirements for the operation of high-hazard flammable trains.§ 174.312HHFT information sharing notification for emergency response planning.

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

§ 174.600Special handling requirements for materials extremely poisonous by inhalation.§ 174.615Cleaning cars.§ 174.680Division 6.1 (poisonous) materials with foodstuffs.

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

§ 174.700Special handling requirements for Class 7 (radioactive) materials.§ 174.715Cleanliness of transport vehicles after use.§ 174.750Incidents involving leakage.

Browse regulation

Subpart A—General Requirements8

§ 174.1Purpose and scope.§ 174.2Limitation on actions by states, local governments, and Indian tribes.§ 174.3Unacceptable hazardous materials shipments.§ 174.5Carrier's materials and supplies.§ 174.9Safety and security inspection and acceptance.§ 174.14Movements to be expedited.§ 174.16Removal and disposition of hazardous materials at destination.§ 174.20Local or carrier restrictions.

Subpart B—General Operating Requirements4

§ 174.24Shipping papers.§ 174.26Notice to train crews.§ 174.28Electronic Train Consist Information.§ 174.50Nonconforming or leaking packages.

Subpart C—General Handling and Loading Requirements7

§ 174.55General requirements.§ 174.57Cleaning cars.§ 174.59Marking and placarding of rail cars.§ 174.61Transport vehicles and freight containers on flat cars.§ 174.63Portable tanks, IM portable tanks, IBCs, Large Packagings, cargo tanks, and multi-unit tank car tanks.§ 174.67Tank car unloading.§ 174.81Segregation of hazardous materials.

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

§ 174.82General requirements for the handling of placarded rail cars, transport vehicles, freight containers, and bulk packages.§ 174.83Switching placarded rail cars, transport vehicles, freight containers, and bulk packagings.§ 174.84Position in train of loaded placarded rail cars, transport vehicles, freight containers or bulk packagings when accompanied by guards or technical escorts.§ 174.85Position in train of placarded cars, transport vehicles, freight containers, and bulk packagings.§ 174.86Maximum allowable operating speed.

Subpart E—Class I (Explosive) Materials10

§ 174.101Loading Class 1 (explosive) materials.§ 174.102Forbidden mixed loading and storage.§ 174.103Disposition of damaged or astray shipments.§ 174.104Division 1.1 or 1.2 (explosive) materials; car selection, preparation, inspection, and certification.§ 174.105Routing shipments, Division 1.1 or 1.2 (explosive) materials.§ 174.106“Order-Notify” or “C.O.D.” shipments, Division 1.1 or 1.2 (explosive) materials.§ 174.110Car magazine.§ 174.112Loading Division 1.3 materials and Division 1.2 (explosive) materials (Also see § 174.101).§ 174.114Record to be made of change of seals on “Cars loaded with Division 1.1 or 1.2 (explosive) materials”.§ 174.115Loading Division 1.4 (explosive) materials.

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

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

§ 174.300Special handling requirements.§ 174.304Class 3 (flammable liquid) materials in tank cars.§ 174.310Requirements for the operation of high-hazard flammable trains.§ 174.312HHFT information sharing notification for emergency response planning.

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

§ 174.600Special handling requirements for materials extremely poisonous by inhalation.§ 174.615Cleaning cars.§ 174.680Division 6.1 (poisonous) materials with foodstuffs.

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

§ 174.700Special handling requirements for Class 7 (radioactive) materials.§ 174.715Cleanliness of transport vehicles after use.§ 174.750Incidents involving leakage.

Related 19 Definitions History 30 Authority 44

RegulationsTitle 49Subtitle BChapter ISubchapter CPart 174Subpart A—General Requirements49 CFR 174.1

Regulationhistorical

49 CFR 174.1

Purpose and scope.

Snapshot 2008-10-01 Government source

eCFR editorial compilationAuthoritative but unofficial

2 passages

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.

[Amdt. 174-26, 41 FR 16092, Apr. 15, 1976, as amended by Amdt. 174-26A, 41 FR 40685, Sept. 20, 1976; Amdt. 174-74, 58 FR 51533, Oct. 1, 1993]

Related 19 Definitions History 30 Authority 44 Community

View text as of

2026-08-18+0-0from 2025-10-01Open snapshot

2025-10-01+0-0from 2024-10-01Open snapshot

2024-10-01+3-3from 2023-10-01Open snapshot

2023-10-01+3-3from 2022-10-01Open snapshot

2022-10-01+0-0from 2021-10-01Open snapshot

2021-10-01+0-0from 2020-10-01Open snapshot

2020-10-01+0-0from 2019-10-01Open snapshot

2019-10-01+0-0from 2018-10-01Open snapshot

2018-10-01+0-0from 2017-10-01Open snapshot

2017-10-01+0-0from 2016-10-01Open snapshot

2016-10-01+0-0from 2015-10-01Open snapshot

2015-10-01+0-0from 2014-10-01Open snapshot

2014-10-01+0-0from 2013-10-01Open snapshot

2013-10-01+0-0from 2012-10-01Open snapshot

2012-10-01+0-0from 2011-10-01Open snapshot

2011-10-01+0-0from 2010-10-01Open snapshot

2010-10-01+0-0from 2009-10-01Open snapshot

2009-10-01+0-0from 2008-10-01Open snapshot

2008-10-01+0-0from 2007-10-01Open snapshot

2007-10-01+0-0from 2006-10-01Open snapshot

2006-10-01+0-0from 2005-10-01Open snapshot

2005-10-01+0-0from 2004-10-01Open snapshot

2004-10-01+0-0from 2003-10-01Open snapshot

2003-10-01+0-0from 2002-10-01Open snapshot

2002-10-01+0-0from 2001-10-01Open snapshot

2001-10-01+0-0from 2000-10-01Open snapshot

2000-10-01+0-0from 1999-10-01Open snapshot

1999-10-01+0-0from 1998-10-01Open snapshot

1998-10-01+0-0from 1996-10-01Open snapshot

1996-10-01Baseline snapshotOpen snapshot

Compare first and latest

Ask the corpus

Claims link back to retrieved source passages.

Record details

Retrieved: Aug 20, 2026
Version: 2008-10-01

6108846eddf1bb5e14…