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1
Dec
2001
Technical Reports
Effects Of Coupler Height Mismatch On The Structural Integrity Of Railroad Tank Car Stub Sills
Subject
Freight Operations,
Hazardous Materials
Keywords: Tank Car, Stub Sill, Impact, Coupler Height Mismatch, Draft Gears, Vertical Forces, Buff Loads, Draft Loads, Fatigue, Tank Car Safety, Track Stiffness Transitions, Impact Simulations
Abstract: This project evaluated the safety implications of coupler height mismatches on the integrity of railroad tank car stub sills, through a series of static and impact tests. The test...
Report Number
DOT/FRA/ORD-01/14
Office
RRD
1
Jan
1999
Technical Reports
Freight Car Reflectorization
Subject
Freight Operations,
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems,
Highway-Rail Grade Crossings,
Human Factors
Keywords: Highway-railroad crossing safety; Railroad safety research; Conspicuity; Visibility; Retroreflective
Abstract: Researchers evaluated the detectability of several designs of freight car retroreflectors to enhance train visibility using human factors testing.
Report Number
DOT/FRA/ORD-98/11
Office
RRD
1
Jun
1998
Technical Reports
Field Evaluation of a Wayside Horn at a Highway-Railroad Grade Crossing
Subject
Freight Operations,
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems,
Highway-Rail Grade Crossings,
Human Factors
Keywords: auditory warning, community noise impact, highway-railroad grade crossings, safety, train horn,
Abstract: This report examines whether the use of a stationary horn at grade crossings reduces community noise impacts or affects motorist safety.
Report Number
DOT/FRA/ORD-98/04
Office
RRD
1
Jul
1997
Technical Reports
The Effects of Work Schedule on Train Handling Performance and Sleep of Locomotive Engineers: A Simulator Study.
Subject
Human Factors,
Sleep Disorders,
Work Schedule & Sleep Patterns
Keywords: locomotive engineers; fatigue; work schedules, hours of service; sleep, RALES simulator; work performance; train-handling; alertness; ciradian rythms, safety
Abstract: Current Federal regulations governing Hours of Service for locomotive engineers allow work schedules that have backwards rotating shift start times. Locomotive engineers who work...
Report Number
DOT/FRA/ORD-97/09
Office
RDI-20
1
Sep
1996
Technical Reports
Locomotive Engineer's Activity Diary
Subject
Human Factors,
Work Schedule & Sleep Patterns
Keywords: railroad; engineers; fatigue; alertness; hours of work; hours of service
Abstract: About 200 freight engineers working on several major railroads completed a 14-day diary recording such data as: the demographic characteristics of the participants; how much...
Report Number
DOT/FRA/RRP-96/02
Office
RRD