Attention eLibrary Visitors! The eLibrary is currently undergoing reconstruction. If you are unable to locate the document you are searching for and need assistance, please contact the FRA Web Team at firstname.lastname@example.org.
To search an exact document title or key phrase, place quotations around the text. Example: "U.S. Government Grade Crossing Research & Stakeholder Engagement" Entering keywords without quotations will search the eLibrary for all occurrences of the keywords.
Policy and Guidance
Questions and Answers: Railworthiness Directive for Railroad Tank Cars Equipped with Certain McKenzie Valve & Machining LLC Valves
Keywords: Railworthiness directive, McKenzie Valve, UNNR
Abstract: This document provides guidance on moving tank cars equipped with the McKenzie valves specified in the Railworthiness Directive published March 18, 2015. The document was updated...