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8
Oct
2019
Technical Reports
Acoustical Warning Devices as Emergency Warning Systems, Phase 1
Subject
Emergency Notification Systems,
Grade Crossing Technology
Keywords: Emergency warning, train horn, trespassers, music masking sounds, reaction time, acoustic warning device
Abstract: Acoustical warning devices are designed to warn trespassers of an approaching train. This study evaluated the urgency and detectibility of potential warning sounds.
Report Number
DOT/FRA/ORD-19/40
Office
RDI-23
4
Oct
2019
Technical Reports
A Study of Environmental and Track Factors that Contribute to Abrasion Damage of Concrete Ties
Subject
Track
Keywords: Concrete ties, tie abrasion, mud pumping, ballast fouling, track drainage, track
Abstract: Kansas State University (KSU), the University of Florida, and Infrastructure Research, LLC inspected 36 railroad track sites with suspected concrete bottom tie abrasion to...
Report Number
DOT/FRA/ORD-19/38
Office
RDI-21
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
20
Sep
2019
Technical Reports
Crashworthy Components Retrofit for F40 Locomotive
Subject
Crashworthiness - Passenger Equipment
Keywords: Locomotives, rail cars, override, collision, injury, impacts, testing, crash energy management, push-back coupler, anti-climber
Abstract: The Federal Railroad Administration and the Volpe Center continue to evaluate new technologies for increasing the safety of passengers and operators in rail equipment. In...
Report Number
DOT/FRA/ORD-19/34
Office
RDI-22