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General

Feasibility of Flaw Detection in Railroad Wheels Using Acoustic Signatures

The feasibility study on the use of acoustic signatures for detection of flaws in railway wheels was conducted with the ultimate objective of development of an intrack device for moving cars. Determinations of the natural modes of vibrating wheels under various conditions are reported. Differences...

Status of the Transportation Technology Center – 2015

The Transportation Technology Center (TTC) is a Federally owned, privately operated test facility in Colorado. It has over 50 miles of test track arranged in different configurations for testing all aspects of vehicle-track interaction. Maximum test speed is 165 mph (265 km/h). Overhead and 3rd...

The FRA Administrator’s Declaration of Emergency Event

Pursuant to Title 49 of the Code of Federal Regulations (CFR) § 211.45, Federal Railroad Administration Executive Director Corey Hill, acting for the Administrator, has determined that recent heavy rainfall and severe, historic flooding in Texas and Louisiana constitutes an “emergency event” as...

Notice of Proposed Rule Making: Train Crew Staffing

FRA proposes regulations establishing minimum requirements for the size of train crew staffs depending on the type of operation. A minimum requirement of two crewmembers is proposed for all railroad operations, with exceptions proposed for those operations that FRA believes do not pose...