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Harmonic Roll Series : Volume 2 : 70 Ton Truck Component Data Physical Restraints Mechanical Properties Damping Characteristics

The following reference manual on truck component data and truck characteristics was developed as a joint effort of the Association of American Railroads, the Railway Progress Institute, the Federal Railroad Administration, and the Transportation Development Agency of Canada under the auspices of...

Harmonic Roll Series : Volume 3 : Freight Car Models Design Parameter Study Freight Car Simulation Series

The following reference manual on freight car dynamic modeling was developed as a joint effort of the Association of American Railroads, the Railway Progress Institute, the Federal Railroad Administration, and the Transportation Development Agency of Canada under the auspices of the International...

Harmonic Roll Series : Volume 4 : Torsional and Flexural Car Stiffness Characteristics

This manual on torsional and flexural car stiffness characteristics was developed as a joint effort of the Association of American Railroads, the Railway Progress Institute, the Federal Railroad Administration, and the Transportation Development Agency of Canada under the auspices of the...

Use of Automatically Acquired Track Geometry Data in Long-Range Maintenance Planning

A review of the current status of the use of track geometry data in the preparation of track maintenance schedules. Current research being sponsored by the Federal Railroad Administration to resolve the major problems is discussed in terms of a proposed linear programming algorithm for optimum...

Broad Agency Announcement (BAA) 2019 e-Flyer

A Theory for Track Maintenance Life Prediction

The objective of this study is to develop a methodology for predicting cumulative permanent deformation of track structures under traffic loading as a basis for maintenance life determination. This report presents the progress achieved in the second year of the research. A computer model named...

DOTX 221 Schedule July 2019

DOTX 221 Schedule June 2019

DOTX 304 Schedule June 2019

https://cms.fra.dot.gov/ELib/Edit/L19858#

2017 Grade Crossing Research Needs Workshop

In August of 2017, the Federal Railroad Administration (FRA) held the fourth Highway-Rail Grade Crossing Safety Workshop in St. Louis, MO. The workshop brought together national and international subject matter experts to collaborate, identify, and prioritize specific research needs. The attendees...

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