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The FRA eLibrary contains all the documents that are found throughout the FRA Public Website. Multiple pages on the website may link to the same eLibrary item based on its set of metatdata.

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1 May 1981

Technical Reports

Constant Warning Time Concept Development for Motorist Warning At Grade Crossings

Author
Richard L. Monroe, Debra K. Munsell, T. James Rudd

Subject Communications, Grade Crossing Technology, Highway-Rail Grade Crossing Warning Systems, Signal and Train Control

Keywords: CWT, Magnetic Transducers, Acoustic Transducers

Abstract:

This report investigates multiple methods for providing consistent warning times of the arrival of trains. Magnetic and acoustic detection methods showed the most promise.

Report Number
FRA/ORD-81/07

1 Apr 1981

Technical Reports

Lightweight Vehicle Track Shunting

Author
R. B. Whalen, R. Horvath, P. Foley

Subject Signal and Train Control

Keywords: Signal/Control Systems, R&D, Grade Crossing Warning Systems

Abstract: The objective of this contract was to determine the extent of the shunting problem on lightweight rail vehicles and identify research recommendations to resolve it. This study...

Report Number
FRA/ORD-81/56
Office
RRD

1 Feb 1981

Technical Reports

Review and Summary of Computer Programs for Railway Vehicle Dynamics

Author
Walter D. Pilkey

Subject Track/Train Interactions

Keywords: Wheel/Rail Contact, Lateral Stability, Curving Dynamics, Computer Models

Abstract: To assess the state of development of computer programs which apply to the dynamics of rail vehicles, reviews were prepared of programs in six different categories: lateral...

Report Number
FRA/OR&D-81/17
Office
RRD

1 Jan 1981

Technical Reports

Evaluation of Signal/Control System Equipment and Technology: Task 6 - Specification Development

Author
S. F. Taylor, J. F. Marshall, W. C. Hallmark, R. B. Whalen

Subject Signal and Train Control

Keywords: Central Processing Unit, Communications, Maintainability, Military Standards, Reliability

Abstract: Development of a signal/control system for high speed 255 Km/h (160 MPH) train operation must proceed in a logical sequence. One step is a comparison of alternative candidate...

Report Number
FRA/ORD-78/39.6
Office
RRD

1 Jan 1981

Technical Reports

Fundamental Studies Related to Wheel/Rail Contact Stress

Author
B. Paul

Subject Track/Train Interactions

Keywords: Rail-Wheel Interaction, Conformal Contact, Elasticity, Creepage, Non-Hertzian Contact

Abstract: This Final Report summarizes the research performed and-provides a brief review of the major results of the program. The problems discussed include: the development of cost-...

Report Number
FRA/ORD-81/05
Office
RRD