Technical Reports

Effect of an Active Another Train Coming Warning System on Pedestrian Behavior at a Highway-Rail Grade Crossing

The Federal Railroad Administration (FRA) was interested in evaluating a type of grade crossing safety enhancement which alerts pedestrians at the crossing to the presence of a second train. The system chosen for this analysis, known as an Another Train Coming Warning System (ATCWS), consists of...

Locomotive Biofuel Study: Preliminary Study of the Use and Effects of Biodiesel in Locomotive Engines

Section 404 of the Passenger Rail Investment and Improvement Act (PRIIA), 2008, mandated that the Federal Railroad Administration (FRA) undertake a Locomotive Biofuel Study to investigate the feasibility of using biofuel blends as locomotive engine fuel. This report summarizes three research...

A Study of the Use of Bio-Based Technologies (Lubricant and Grease) in Railroad Applications

The objective of the project was to study the efficacy of using bio-based lubricant and grease technologies in railroad applications (locomotives and maintenance of way equipment). Several commercially available rail curve greases were identified and tested. Three mineral oil-based and three bio-...

Review of Codes, Standards, and Regulations for Natural Gas Locomotives: Appendix

Review of Codes, Standards, and Regulations for Natural Gas Locomotives Report

Safety of Railroad Employees’ Use of Personal Electronic Devices

This report describes two studies sponsored by the Federal Railroad Administration that examined distraction from personal electronic device (PED) usage among safety-critical railroad employees. Study I considered railroad rules, railroad efficiency testing results and accident databases, as well...

Review of Codes, Standards, and Regulations for Natural Gas Locomotives

Review of Codes, Standards, and Regulations for Natural Gas Locomotives Appendix

Quantification of the Effectiveness of Handheld Equipment for Ground Verification of Detected Rail Internal Defects

The objective of this project was to quantify the effectiveness of the rail inspection ground verification process. More specifically, the project focused on comparing the effectiveness of conventional versus phased array probes to manually detect and size internal rail defects. Signal detection...

Proposed Key Elements of a Critical Incident Intervention Program for Reducing the Effects of Potentially Traumatic Exposure on Train Crews to Grade Crossing and Trespasser Incidents

This independent report presents work conducted regarding project FR-RDD-0024-11-01 to advise and support the formulation of regulations and supporting materials concerning “critical incident” response plans for rail carriers covered by the Rail Safety Improvement Act of 2008, Sec. 410. This...

Effect of Dynamic Envelope Pavement Markings on Vehicle Driver Behavior at a Highway-Rail Grade Crossing

The U. S. Department of Transportation’s (U.S. DOT) Research and Innovative Technology Administration’s (RITA) John A. Volpe National Transportation Systems Center (Volpe Center), under the direction of the U.S. DOT Federal Railroad Administration (FRA) Office of Research and Development (R&...

Start Time Variability and Predictability in Railroad Train and Engine Freight and Passenger Service Employees

Start time variability in work schedules is often hypothesized to be a cause of railroad employee fatigue because unpredictable work start times prevent employees from planning sleep and personal activities. This report examines work start time differences from three different databases previously...

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Technical Reports