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The FRA Acting Administrator's Declaration of Emergency Event

Pursuant to Title 49 of the Code of Federal Regulations (CFR) § 211.45, Federal Railroad Administration Acting Administrator Heath Hall has determined that the imminent threat of Tropical Storm Nate, with potential hurricane force winds, severe storm surge, flooding rains, and potential power...

Measurement of Wheel Load Environment of AAR M-976 Approved Truck

Measurement of Wheel Load Environment of AAR M-976 Approved Truck study (FRA Task Order 319) is the continuation of the Measurement of Wheel Load Environment of a 3-piece Truck study (Task Order 245) completed in November 2010 that increased understanding of the conditions under which wheel rolling...

A Survey of Wheel/Rail Friction

Friction has a huge influence on the vehicle/track interaction and yet it remains poorly understood, its consideration an afterthought in many simulation activities. This survey of friction summarizes current understanding and identifies gaps requiring further development. Classical friction theory...