Rulemaking Documents Search
The following DOT Rules are linked to the Federal Register website. The Federal Register is the Federal Government’s official daily publication of rules, proposed rules, and notices of federal agencies, and provides a forum for public participation in the democratic process.To learn more about DOT Rules, choose a document type, topic, or conduct a title search by keyword. Results will include a summary of the Rule and a link to the PDF of the appropriate Federal Register page. The Federal Register provides rulemaking documents dating back to 1995.
If you need to see rules prior to 1995, please visit our rulemakings archives:
Hazardous Materials Safety Rulemaking Archive
Pipeline Safety Rulemaking Archive
Your search for Documents of type Rule or Proposed Rule and affecting 49 CFR 100-199
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873
PHMSA proposes to amend the pipeline safety regulations to prescribe safety requirements for the operation of certain gas transmission pipelines at pressures based on higher stress levels. The result would be an increase of maximum allowable operating...
PHMSA is amending the Hazardous Materials Regulations to update, clarify or provide relief from certain requirements governing the classification, packaging, or labeling of hazardous materials transported in commerce. Among other provisions, PHMSA is...
PHMSA proposes to revise the Federal pipeline safety regulations to allow certain thermoplastic pipelines made from new Polyamide-11 (PA-11) pipe to be designed using a higher design factor and to raise the design pressure limit for the same pipelines....
PHMSA amends the Hazardous Materials Regulations (HMR) by revising the list of hazardous substances and reportable quantities (RQs) and by correcting editorial errors to the list of hazardous substances and RQs. Superfund (i.e., CERCLA) requires PHMSA...
This final rule relaxes regulatory requirements governing public awareness programs conducted by operators of master meter systems and certain operators of petroleum gas systems. These operators typically manage property and incidentally provide gas...
This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
On May 3, 2007, PHMSA published a final rule to amend the Hazardous Materials Regulations (HMR; Parts 171-180) by revising and consolidating the requirements applicable to the use of the International Civil Aviation Organization's Technical...
On January 31, 2007, PHMSA published a final rule that amended requirements in the Hazardous Materials Regulations applicable to the air transportation of compressed oxygen cylinders and oxygen generators. In response to appeals submitted by entities...
PHMSA is proposing to amend the Hazardous Materials Regulations (HMR) to permit certain fuel cell cartridges and fuel cell systems designed for portable electronic devices to be transported by passengers and crew in carry-on baggage on board...
The Department of Transportation (DOT), in coordination with the Department of Energy, Department of Agriculture, and others, is considering current and future transportation challenges posed by growing demand for ethanol and other biofuels and biofuel...
The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations (HMR) to tighten the safety standards for transportation of lithium batteries, including both primary (non-rechargeable) and secondary...
This action modifies the integrity management regulations for hazardous liquid and natural gas transmission pipelines. The modifications include adding an eight-month window to the period for reassessing hazardous liquid pipelines; modifying...
In this NPRM, PHMSA proposes to amend the Hazardous Materials Regulations (HMR) to clarify requirements governing emergency response information services provided by arrangement with hazardous materials offerors. In order to preserve the effectiveness...
This withdrawal advises the public that the Transportation Security Administration (TSA) of the Department of Homeland Security (DHS) has assumed the lead role from the Pipeline and Hazardous Materials Safety Administration (PHMSA) for rulemaking...
In this supplemental notice of proposed rulemaking (SNPRM) PHMSA is modifying its pending proposal for regulating rural low-stress hazardous liquid pipelines within a prescribed buffer of an ``unusually sensitive area'' (USA). This modification...
PHMSA is amending the statutorily mandated registration and fee assessment program for persons who transport or offer for transportation certain categories and quantities of hazardous materials. In this final rule, we are eliminating the 24- hour,...
In this final rule, PHMSA is amending the Hazardous Materials Regulations to revise and consolidate the requirements applicable to the use of the International Civil Aviation Organization's Technical Instructions for the Safe Transport of Dangerous...
This final rule requires operators to use design and construction features in new and replaced gas transmission pipelines to reduce the risk of internal corrosion. The design and construction features required by this rule will reduce the risk of...
PHMSA proposes to amend the Hazardous Materials Regulations (HMR; 49 CFR Parts 171-180) to revise certain requirements applicable to the manufacture, maintenance, and use of DOT and MC specification cargo tank motor vehicles, DOT specification...
PHMSA is amending a final rule published in the Federal Register on June 9, 2006, which updated the pipeline safety regulations to incorporate by reference all or parts of new editions of voluntary consensus technical standards to enable pipeline...
PHMSA (also, ``we'' or ``us'') is amending the Hazardous Materials Regulations (HMR) to: require cylinders of compressed oxygen and other oxidizing gases and packages of chemical oxygen generators to be placed in an outer packaging that meets certain...
On December 21, 2006 the Pipeline and Hazardous Materials Safety Administration, in consultation with the Federal Railroad Administration and the Transportation Security Administration, published a notice of proposed rulemaking proposing to revise the...
This final rule revises the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
The Pipeline and Hazardous Materials Safety Administration (PHMSA), in consultation with the Federal Railroad Administration (FRA) and the Transportation Security Administration (TSA), is proposing to revise the current requirements in the Hazardous...
This document corrects the preamble to a notice of proposed rulemaking published in the Federal Register of September 1, 2006, regarding miscellaneous packaging amendments to the Hazardous Materials Regulations (HMR; 49 CFR parts 171-180). This...
PHMSA proposes to relax regulatory requirements governing public awareness programs conducted by operators of master meter systems and certain operators of petroleum gas systems. These operators typically manage property and incidentally provide gas...
PHMSA is correcting an error in an interim final rule, published in the Federal Register on December 15, 2004. That interim final rule imposed a limited prohibition on offering for transportation and transportation of primary lithium batteries and...
PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations based on petitions for rulemaking and PHMSA initiatives. These proposed amendments are intended to update, clarify or provide relief from certain regulatory...
PHMSA is considering revisions to the list of hazardous materials that require development and implementation of a security plan to address security risks during transportation in commerce. This effort is being coordinated with other Department of...
PHMSA is correcting a minor error in a final rule, published in the Federal Register on September 14, 2006. That final rule corrected editorial errors, made minor regulatory changes and, in response to requests for clarification, improved the clarity...
This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
We are proposing to extend pipeline safety regulations to rural onshore hazardous liquid gathering lines and low-stress lines within a defined buffer of previously defined ``unusually sensitive areas.'' These are non-populated areas requiring extra...
In this NPRM, PHMSA is proposing to make miscellaneous amendments to the Hazardous Materials Regulations (HMR) based on changes to packaging requirements in the United Nations Recommendations on the Transport of Dangerous Goods, petitions for...
PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
This final rule revises the Hazardous Materials Regulations to address a known safety problem with cylinders manufactured of aluminum alloy 6351-T6. The revisions include an inspection and testing program for early detection of sustained load cracking...
This rule proposes to amend the statutorily mandated registration and fee assessment program for persons who transport or offer for transportation certain categories and quantities of hazardous materials. For those registrants not qualifying as a small...
On December 9, 2005, PHMSA published a final rule to revise terminology, definitions, and requirements for consistency with the Hazardous Materials Safety and Security Reauthorization Act of 2005. These amendments included revising the definitions of...
PHMSA requests comments on the economic impact of its regulations on small entities. As required by the Regulatory Flexibility Act and as published in DOT's Semi-Annual Regulatory Agenda, we are analyzing the Hazardous Materials Regulations applicable...
In this final rule, PHMSA is amending the Hazardous Materials Regulations (HMR) to adopt standards for the design, construction, maintenance and use of cylinders and multiple-element gas containers based on the standards contained in the United Nations...
This final rule updates the pipeline safety regulations to incorporate by reference all or parts of new editions of voluntary consensus technical standards to enable pipeline operators to utilize current technology, materials, and practices.
PHMSA is closing this rulemaking proceeding, having considered and declined to adopt proposals for further regulating the transportation of flammable liquids in the product piping on cargo tank motor vehicles. On the basis of public comments and...
PHMSA is revising the transportation requirements for infectious substances, including regulated medical waste, to adopt new classification criteria, new exceptions, and packaging and hazard communication requirements consistent with revised...
The Pipeline and Hazardous Materials Safety Administration is revising its procedural regulations for issuing administrative determinations as to whether Federal hazardous material transportation law preempts a State, local, or Indian tribe requirement...
On January 23, 2006, PHMSA published a final rule entitled ``Requirements for Lighters and Lighter Refills'' that amended requirements in the Hazardous Materials Regulations pertaining to the examination, testing, certification, and transportation of...
This final rule amends the requirements in the Hazardous Materials Regulations (HMR) for the transportation of hazardous materials by aircraft. This final rule clarifies the applicability of part 175; clarifies the exceptions from regulation for...
This action adopts a consensus standard to distinguish onshore gathering lines from other gas pipelines and production operations. In addition, it establishes safety rules for certain onshore gathering lines in rural areas and revises current rules for...
The Pipeline and Hazardous Materials Safety Administration is revising its regulations to reflect revisions to the civil and criminal penalties in the Hazardous Materials Safety and Security Reauthorization Act (Title VII of the Safe, Accountable,...
In this notice of proposed rulemaking, the Pipeline and Hazardous Materials Safety Administration proposes to amend the Hazardous Materials Regulations by revising and consolidating the requirements applicable to the use of the International Civil...