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2
Dec
2019
Technical Reports
Analysis of Non-Track-Circuit Highway-Rail Grade Crossing Train Detection Technologies
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Highway-rail, grade crossing, accident prediction formula, acoustic train detection, fiber-Bragg grating, magnetometer, seismic train detection, track circuits, train detection, warning device effectiveness, warning device upgrade, wheel detectors, safety
Abstract: This study assessed whether devices that did not rely on track circuits to detect trains were suitable to deploy active warnings at grade crossings.
Report Number
DOT/FRA/ORD-19/47
Office
RDI-23
25
Oct
2019
Technical Reports
Prototype Design and Evaluation of Hybrid Solid Oxide Fuel Cell Gas Turbine Systems for use in Locomotives
Subject
Rolling Stock
Keywords: Solid oxide fuel cell-gas turbine, SOFC-GT, hybrid fuel cell system, National Fuel Cell Research Center, NFCRC, fuel cell, gas turbine, prototype design, locomotive engine
Abstract: Hybrid solid oxide fuel cell-gas turbine (SOFC-GT) systems are among the most efficient and lowest emitting power generation systems conceived for use in locomotives. Their...
Report Number
DOT/FRA/ORD-19/43
Office
RDI-22
27
Sep
2019
Technical Reports
Conventional and Crash Energy Management Locomotive Coupling Tests
Subject
Crashworthiness - Passenger Equipment
Keywords: Locomotives, crashworthiness, railcars, couplers, override, collision, injury, impacts
Abstract: Crash energy management (CEM) components which can be integrated into the end structure of a locomotive were developed: a push-back coupler (PBC) and a deformable anti-climber (...
Report Number
DOT/FRA/ORD-19/36
Office
RDI-22
27
Sep
2019
Technical Reports
Why Do Passenger Trains Run through Switches in the Rail Yard?
Subject
Human Factors
Keywords: Run through switch, switch points, yard crews, passenger rail, systems-theoretic process analysis, STPA, STAMP, systems-theoretic accident model and processes
Abstract: This study examined why crews working in yard operations run through switches in the wrong direction or run through damaged switches. Running through a switch in the wrong...
Report Number
DOT/FRA/ORD-19/37
Office
RDI-24
25
Sep
2019
Accident Investigations
HQ-2019-1365
Subject
Accident Investigations
Keywords: Derailment; CSX Transportation; Smyrna, TN; excessive speed coupling; radio communication; train handling; train makeup; human factors
Abstract: On September 25, 2019, at approximately 2:59 p.m., CDT, a southbound CSX freight train M97225 (Train 1) derailed at CSX Milepost (MP) J22 on the CSX Nashville Division,...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
CSX Transportation
Location
Smyrna, TN
United States
Accident Number
HQ-2019-1365
Investigation Status
Finalized