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Facilities & Test Equipment

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Technical Memorandum: Broken Rail/Open Switch Point Detection System

In the fall of 1993, an assessment was made of the existing conditions on the Railroad Test Track (RTT) at the Transportation Technology Center in Pueblo, Colorado with the objective of identifying modifications to the track structure, track geometry, catenary system and signal system to support...

A World of Change, Volume 1: FAST/HAL Test Summaries

[From the Foreword] Welcome to A World of Change: 1st Annual AAR Research Review, November 6-9, 1995. Our four-day event focuses on four aspects of the activities carried out by the Association of American Railroads' Research and Test Department at the Transportation Technology Center (TTC), in...

Roller Bearing Failure Mechanisms Research

Mechanisms that cause roller bearing failure are not well understood and were the subject of a research program conducted by the Association of American Railroads (AAR), Transportation Test Center, Pueblo, Colorado. The program was funded by the Federal Railroad Administration under Task Order 45....

Fundamental Track Gage Widening Tests Using the Track Loading Vehicle

In early 1991, a series of fundamental track gage widening tests were conducted at the Transportation Test Center. Tests, using the Track Loading Vehicle (TLV), were performed to provide fundamental knowledge about the manner in which wheel drop derailments occur, to establish data about current...

Lightweight Car Simuloader Test

Railcars experience fatigue damage from loads encountered during in-train revenue service operation. In 1984, the Federal Railroad Administration (FRA) acquired an electro-hydraulic shaker system that allowed railcar fatigue performance to be investigated at the Transportation Test Center, Pueblo,...

Tilt Train Technology: A State of the Art Survey

This report presents a survey of the technical and operational features of existing and planned tilt-body rail passenger vehicles. It follows the general format of the December 1990 Federal Railroad Administration (FRA) Report entitled, "Safety Relevant Observations on the X2000 Tilting Train," (...

Welcome to the FAST/HAL Open House Workshop: Phase II

This document includes the proceedings of the FAST/HAL Open House Workshop held on September 15-16, 1992 at the Transportation Test Center in Pueblo, CO. It includes a program overview of FAST/HAL, the history, objectives, and current research.

Wheel/Truck Tolerance Experiment at FAST

The test program described in this report covers the investigation of the performance of trucks in freight cars influenced by various mechanical factors. The primary issue was the effect of axle misalignment on the behavior of three-piece trucks. Secondary tests were carried out to investigate the...

Peacekeeper Rail Garrison Train Dynamic and Train Mobility Evaluation

Tests were performed on the Peacekeeper Rail Garrison (PKRG) Train which included track worthiness, train handling, and train mobility. The track worthiness tests were conducted according to specifications in Chapter XI of the Association of American Railroads (AAR), Manual of Standards and...