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Railworthiness Directive for Railroad Tank Cars Equipped With Certain McKenzie Valve & Machining LLC Valves
Keywords: Railworthiness Directive; Hazerdous Materials; Valve; Tank Cars
Abstract: This Directive requires railroad tank car owners to replace unapproved valves currently installed in some tank cars. The valves in question are UNNR ball valves manufactured and...
Keywords: Continuous Welded Rail; CWR
Signal Recording Devices for Highway-Rail Grade Crossing Active Warning Systems that are Interconnected with Highway Traffic Signal Systems
Keywords: I�96�10; I�96�11 ; NTSB; active railroad warning systems
Keywords: Highway-Rail Grade Crossings; Low ground clearance; AASHTO Green book; vertical profile
Recommends that each railroad operating passenger trains assess the rules, instructions, and procedures used to ensure that a train will not depart a station until all passengers successfully board or alight from the train, and ensure compliance with such
Keywords: alighting; boarding