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United States Department of Transportation United States Department of Transportation

DOT Issues Revised RIA for ECP Brake Provision in PHMSA’s May 2015 HHFT Final Rule

Thursday, October 19, 2017

The U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration (PHMSA), in coordination with the Federal Railroad Administration (FRA), on October 16, 2017, issued and invites comments to a revised Regulatory Impact Analysis (RIA) updating the original RIA associated with the electronically controlled pneumatic (ECP) brake provision of PHMSA’s May 8, 2015 Final Rule titled “Enhanced Tank Car Standards and Operational Controls for High-Hazard Flammable Trains.” The agencies are issuing the updated RIA in response to the mandate of the Fixing America’s Surface Transportation (FAST) Act. The updated RIA incorporates new testing and analysis the National Academy of Sciences reviewed regarding the effectiveness of ECP brake systems, recommendations from two U.S. General Accountability Office audits, and updates the costs and benefits of the provision of the Final Rule based on changed economic conditions. The RIA docket can be viewed at The Federal Register Notice can be viewed at Comments must be received by November 1, 2017. Contact for media: Patricia Klinger (202) 366-4831.

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The mission of the Pipeline and Hazardous Materials Safety Administration is to protect people and the environment by advancing the safe transportation of energy and other hazardous materials that are essential to our daily lives. PHMSA develops and enforces regulations for the safe operation of the nation's 2.7 million mile pipeline transportation system and the nearly 1 million daily shipments of hazardous materials by land, sea, and air. Please visit or for more information. 

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