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19
Apr
2019
Research Results
Impact of Water on Cracked Concrete Crosstie Service Life
Subject
Tracks & Structures
Keywords: Concrete crossties, water damage, center cracks, cyclic loading
Abstract: To investigate the impact of moisture on crack growth and other tie damage, UIUC researchers subjected pretensioned concrete crossties and small-scale beams to repeated loading...
Report Number
DOT/FRA/ORD-19/11
Office
RDI-21
10
Dec
2018
Technical Reports
Automated Vehicles at Highway-Rail Grade Crossings: Final Report
Subject
Autonomous,
Grade Crossing Technology
Keywords: Highway-rail grade crossings, Automated Vehicle, AV, autonomous vehicle, Connected Vehicle, connected automated vehicles, CAVs, Concept of Operations, ConOps, requirements, stakeholder engagement
Abstract: This report discusses automated vehicle (AV) interactions with grade crossings and proposes requirements for future AVs that would enable them to respond to crossings safely....
Report Number
DOT/FRA/ORD-18/39
Office
RDI-23
9
Mar
2018
Technical Reports
Autonomous Track Geometry Measurement Technology Design, Development, and Testing
Subject
Autonomous
Keywords: Track geometry inspection, autonomous, unmanned, ATGMS, autonomous track geometry measurement systems, track assessment
Abstract: The Federal Railroad Administration’s (FRA) Office of Research, Development and Technology has long advocated for the development and advancement of autonomous track geometry...
Report Number
DOT/FRA/ORD-18/06
Office
RDI-21
29
Sep
2017
Technical Reports
A Survey of Wheel/Rail Friction
Subject
Track,
Tracks & Structures,
Track/Train Interactions
Keywords: Friction, friction management, lubrication, vehicle-track interaction, wheel-rail interaction v
Abstract: Friction has a huge influence on the vehicle/track interaction and yet it remains poorly understood, its consideration an afterthought in many simulation activities. This survey...
Report Number
DOT/FRA/ORD-17/21
Office
RDI-21
3
Feb
2017
Accident Investigations
HQ-2017-1184 (Finalized)
Subject
Accident Investigations,
Tracks & Structures
Keywords: Accident Investigations, Union Pacific
Abstract: On February 3, 2017, at approximately 8:55 p.m., CST, southbound Union Pacific Railroad (UP) Coal Train CWTCL9-01, with 2 lead locomotives, 2 distributed power locomotives at the...
Accident Date
Accident Type
Derailment (DRM)
Railroad Name
Union Pacific Railroad Company (UP)
Location
Hearne, TX
United States
Accident Number
HQ-2017-1184
Investigation Status
Finalized