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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...
Abstract: The following safety tips and resources are provided to assist the law enforcement community in partnering with the Federal Railroad Administration to reduce collisions, injuries...
Railroad Signal Color and Orientation: Effects of Color Blindness and Criteria for Color Vision Field Tests
Keywords: Railroad Signals; Signal Color; Signal Orientation; Medical Standards for Color Vision for Locomotive Engineers and Conductors; Color Vision; Color Vision Field Tests; Pseeudoisochromatic Plate Tests; Human Error; Signal Detection Theory
Abstract: This report concerns two issues: 1) whether color vision is necessary for locomotive crews who work on railroads where the signal system is either completely redundant with regard...