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
Results 301 - 350 of
859
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. The intended effect of this rule is to enhance...
This direct final rule amends the Hazardous Materials Regulations to revise the quantity limitation from 25 kg ``gross'' to 25 kg ``net'' for packages of chemical oxygen generators transported aboard cargo aircraft only. The intended effect of this...
PHMSA is proposing to incorporate by reference (IBR) into the pipeline safety regulations all or parts of new editions of voluntary consensus standards to allow pipeline operators to use current technology, new materials, and other industry and...
This notice announces a public meeting of the Technical Pipeline Safety Standards Committee (TPSSC) and of the Technical Hazardous Liquid Pipeline Safety Standards Committee (THLPSSC). The PHMSA staff will brief the committee members on pipeline...
This Notice of Proposed Rulemaking seeks to revise the Pipeline Safety Regulations to improve the reliability and utility of data collections from operators of natural gas pipelines, hazardous liquid pipelines, and liquefied natural gas (LNG)...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is confirming the effective date of April 14, 2009, for the direct final rule that appeared in the Federal Register on April 14, 2009. The direct final rule incorporated by reference...
The Pipeline and Hazardous Materials Safety Administration (PHMSA) is withdrawing the notice of proposed rulemaking published under this docket on May 5, 2008 (73 FR 24519). Our revised estimates of unexpended balances from previous years and revenues...
The regulatory agenda is a semiannual summary of all current and projected rulemakings, reviews of existing regulations, and completed actions of the Department. The agenda provides the public with information about the Department of Transportation's...
This direct final rule incorporates by reference the most recent editions of API Specification 5L ``Specification for Line Pipe'' and API 1104 ``Welding of Pipelines and Related Facilities.'' The purpose of this update is to enable pipeline operators...
PHMSA is amending the Hazardous Materials Regulations to revise certain requirements applicable to the manufacture, maintenance, and use of DOT and MC specification cargo tank motor vehicles, DOT specification cylinders and UN pressure receptacles. The...
This final rule adopts, with minor modifications, an interim final rule issued by PHMSA on March 28, 2008, conforming PHMSA's administrative procedures with the Pipeline Inspection, Protection, Enforcement, and Safety Act of 2006 by establishing 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 coordination with the Federal Railroad Administration (FRA), is amending the Hazardous Materials Regulations to prescribe enhanced safety measures for rail transportation of poison...
This final rule amends the design factor and design pressure limits for natural gas pipelines made from new Polyamide-11 (PA-11) thermoplastic pipe. Together, these two changes in the regulations allow pipeline operators to operate certain pipelines...
This Notice stays the effective date of a final rule published October 17, 2008 (73 FR 62148). In accordance with the Congressional Review Act, the final rule will be effective on December 22, 2008, 60 days after the final rule was transmitted to...
The Pipeline and Hazardous Materials Safety Administration, in coordination with the Federal Railroad Administration (FRA) and the Transportation Security Administration (TSA), is improving safety by revising the current requirements in the Hazardous...
PHMSA is amending the pipeline safety regulations to prescribe safety requirements for the operation of certain gas transmission pipelines at pressures based on higher operating stress levels. The result is an increase of maximum allowable operating...
PHMSA is proposing to issue rules implementing certain inspection, investigation, and enforcement authority conferred on the Secretary of Transportation by the Hazardous Materials Transportation Safety and Security Reauthorization Act of 2005. The...
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...
PHMSA proposes to revise the Federal pipeline safety regulations to address human factors and other components of control room management. The proposed rules would require operators of hazardous liquid pipelines, gas pipelines, and liquefied natural...
PHMSA is extending the period for public comment to give interested persons an additional 30 days to comment on a proposed rule to amend the Federal Pipeline Safety Regulations to require operators of gas distribution pipelines to develop and implement...
PHMSA, in consultation with the Transportation Safety Administration (TSA) of the Department of Homeland Security (DHS), is proposing to modify its current security plan requirements governing the commercial transportation of hazardous materials by...
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 document solicits comments on the merits of two petitions for rulemaking filed with PHMSA seeking promulgation of an interim standard for railroad tank cars used to transport toxic by inhalation hazard (TIH) materials. One petition was filed...
PHMSA and the Federal Aviation Administration (FAA) are considering changes to requirements in the Hazardous Materials Regulations applicable to non-bulk packagings used to transport hazardous materials in air transportation. To enhance aviation...
PHMSA is concerned that current requirements may not adequately address the risks associated with the storage of explosives while they are in transportation. On November 16, 2005, we published an advance notice of proposed rulemaking to solicit...
PHMSA proposes to amend the Federal Pipeline Safety Regulations to require operators of gas distribution pipelines to develop and implement integrity management (IM) programs. The purpose of these programs is to enhance safety by identifying and...
PHMSA is amending its pipeline safety regulations to extend added protection to certain environmentally sensitive areas that could be damaged by failure of a rural onshore hazardous liquid gathering line or low-stress pipeline. Building on PHMSA's...
PHMSA is extending the period for public comment to give interested persons an additional week to comment on a proposed rule to amend the pipeline safety regulations to prescribe safety requirements for the operation of certain gas transmission...
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...
PHMSA is amending 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 passenger-carrying...
The Pipeline and Hazardous Materials Safety Administration, in coordination with the Federal Railroad Administration and the Transportation Security Administration, is revising the current requirements in the Hazardous Materials Regulations applicable...
On April 1, 2008, PHMSA, in consultation with the Federal Railroad Administration (FRA), published a notice of proposed rulemaking (NPRM) proposing revisions to the Federal Hazardous Materials Regulations to improve the crashworthiness of railroad tank...
The Pipeline and Hazardous Materials Safety Administration and the Federal Railroad Administration are proposing revisions to the Federal Hazardous Materials Regulations to improve the crashworthiness protection of railroad tank cars designed to...
This interim final rule conforms PHMSA's administrative procedures with the Pipeline Inspection, Protection, Enforcement, and Safety Act of 2006 (PIPES Act) by establishing the procedures PHMSA will follow in issuing safety orders and handling requests...
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...