Technical Reports

Confidential Close Call Reporting System (C3RS) Lessons Learned Evaluation – Final Report

The Federal Railroad Administration (FRA) established the Confidential Close Call Reporting System (C3RS) program through which “close calls” can be reported confidentially and addressed by Peer Review Teams (PRT) containing representatives from labor, management, and FRA. Close call programs have...

Automated Vehicles at Highway-Rail Grade Crossings: Final Report

While the number of highway-rail grade crossing (HRGC) incidents remains relatively constant over the last 4 years, HRGCs still represents a significant safety concern for the transportation industry. Per the 2011 crossing collisions and casualties’ statistics, approximately 250 fatalities and...

Positive Train Control Interoperability Test Support

Transportation Technology Center, Inc. (TTCI) and the Federal Railroad Administration (FRA) evaluated communication performance from operation of the Advanced Civil Speed Enforcement System (ACSES) GE TD 220x MHz data radios and the Interoperable Train Control (ITC) compliant Meteorcomm...

Evaluation of Rail Car Floor Fire Resistance Exposure and Test Article Scaling

The focus of this research was to determine the appropriate fire resistance exposure severity and duration for passenger rail car floor assemblies, as well as an assessment of the minimum size test article for fire resistance testing. Modeling methodologies were developed to predict the fire,...

Evaluation of Fiber Optic Broken Rail Detection Systems

Evaluation of Fiber Optic Broken Rail Detection Systems : Appendices A Through B

Download PDF Document [240MB] See Also: Evaluation of Fiber Optic Broken Rail Detection Systems

Assessment of Risks for High Speed Rail Grade Crossings on the Empire Corridor

The purpose of this study is to develop a risk-based approach for assessing the implications of higher train speeds on highway-railroad grade crossing safety and allocating limited resources to best reduce this risk. While it is reasonable to assume that increasing train speed at any individual...

Objective Evaluation of Risk Reduction from Tank Car Design and Operations Improvements – Extended Study

This report describes a novel and objective methodology for quantifying and characterizing how changes to tank car designs or the tank car operating environment lead to reductions in risk (or reductions in puncture probabilities). The methodology captures several parameters that are relevant to...

Rail Tank Car Total Containment Fire Testing

A series of seven fully-engulfing fire tests were conducted by Bundesanstalt für Materialforschung und –prüfung (BAM) personnel on one-third scale test tanks to evaluate the capacity of rail tank cars carrying hazardous caustic materials, such as sodium hydroxide (NaOH) or potassium hydroxide (KOH...

Railroad Energy Intensity and Criteria Pollutant Emissions

A tiered emission factors table was developed by Argonne National Laboratory to populate its Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation (GREET®) model for pollutants emissions, as well as to calculate energy intensities for passenger and freight rail applications. The...

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Technical Reports