Technical Reports

Rail Safety/Equipment Crashworthiness. Volume III. Proposed Engineering Standards

The document, the third of four volumes, contains recommended Engineering Standards prepared in the format of the standards published in the Code of Federal Regulations (Title 49, Transportation, Parts 200). The standards proposed provide improved occupant protection in the secondary impact...

Rail Safety/Equipment Crashworthiness. Volume II. Design Guide

The second of four volumes, has been prepared to assist design engineers in understanding the basic problems associated with the development of crashworthy interiors of locomotives, cabooses and passenger railcars. Rail vehicle accident conditions are presented with the resulting interactions that...

A Study of Railroad Ballast Economics

This report presents the results of Phase V - Economic Evaluation of the Ballast and Foundation Materials Research Program. The present 'State of the Art' in the ballast costing area is discussed. The individual ballast costs are quantified to the extent possible using the data base compiled from...

Structural Adequacy of Freight Car Truck Castings and Wheels

The structural adequacy of freight car truck castings and wheels to resist fatigue damage is reviewed. The environmental load data described in an earlier report under this program and additional load data which have only recently become available are used to calculate the expected fatigue life...

The U.S. DOT/TSC Train Performance Simulator

A Train Performance Simulator (TPS) is a computer program which simulates the operation of a train over a railway route. It may be used for a variety of purposes to determine the effects of some operational strategy or equipment change upon schedules and energy consumption. The general...

Potential Means of Cost Reduction in Grade Crossing Motorist-Warning Control Equipment. Volume II. Comparison of Solid State and Relay Devices and Techniques

Consideration is given to the properties of solid-state circuits, miniature relays and large gravity-operated relays when applied to control systems for grade crossings equipped with train-activated motorist warnings. Factors discussed include original cost and service-life cost, vulnerability to...

Innovative Concepts and Technology for Railroad-Highway Grade Crossing Motorist Warning Systems. Volume I. Overview and Concept Generation and Analysis

The document includes a general review of innovative conceptual and technical approaches to train-activated motorist warning systems for use at railroad-highway grade crossings, and also contains a specific report describing a study directed toward the generation, analysis and evaluation of...

Handbook for Railroad Track Stabilization Using Lime Slurry Pressure Injection

This handbook includes chapters dealing with the technology of lime injection, surface and subsurface soil exploration and laboratory testing, environmental considerations and safety precautions. In addition, there are appendices which provide state-of-the-art specifications for lime slurry...

A Bibliography on Rail Technology

The rail technology review provides assistance to a number of rail technology programs initiated by the Transportation Systems Center (TSC) for the Federal Railroad Administration (FRA). The results of a search and review in four specific areas in the field of rail technology are presented in the...

Probability of Detection Evaluation Results for Railroad Tank Car Nondestructive Testing

The Federal Railroad Administration (FRA), Transportation Technology Center, Inc. (TTCI), and rail industry participants have performed probability of detection (POD) assessments to evaluate nondestructive testing (NDT) technologies, which are prescribed by Title 49 of the Code of Federal...

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Technical Reports