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14
Jan
2022
Research Results
Evaluating Crowdsourced Data from Waze for Rail Safety
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Waze, crowdsourced data, railroad safety, grade crossing, blocked crossing
Abstract: FRA sponsored a research project to explore the potential uses of WAZE data to increase safety at grade crossings.
Report Number
RR 22-02
Office
RDI-23
7
Jan
2022
Research Results
Concrete Tie Performance in Degraded Track Conditions
Subject
Track
Keywords: Concrete crossties; crosstie degradation; center cracks; cyclic loading; flexural performance
Report Number
RR 22-01
Office
RDI-21
7
Jan
2022
Technical Reports
Fouled Ballast Waiver Operations and Results
Subject
Track
Keywords: Fouled ballast performance, track geometry, degradation, trending, long-term wayside monitoring, waiver operations, enforcement modes, track, Autonomous Track Geometry Measurement System, ATGMS, track
Report Number
DOT/FRA/ORD-22/01
Office
RDI-21
29
Nov
2021
Research Results
Line-of-Sight Analysis Using Drones and Photogrammetry
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Photogrammetry, line-of-sight, grade crossing, railroad safety
Abstract: FRA evaluated the effectiveness of using drones and photogrammetry software to conduct line-of-sight analyses of selected grade crossings. Researchers selected crossings with...
Report Number
RR 21-23
Office
RDI-23
27
Sep
2021
Research Results
Machine Vision Data Products for the Automated Track Inspection Program
Subject
Track
Keywords: Automated Track Inspection Program, machine vision, data products, imaging systems
Report Number
RR 21-20
Office
RDI-21