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29
Aug
2022
Technical Reports
Feasibility of a Train Horn with Optimized Directivity: Environmental and Occupational Noise Benefit of an Ideal Train Horn
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Horn, noise, highway-rail grade crossing, safety, environment, occupational, detectability, acoustic hailing device, rolling stock, train horn
Abstract:
This views the feasibility of and suggests an acoustical specification for an optimized horn. Decibel of the horn inside vehicles was compared to the optimized horn and several...
Report Number
DOT/FRA/ORD-22/32
Office
RDI-22
12
Apr
2022
Technical Reports
Intelligent Crossing Assessment and Traffic Sharing System (i-CATSS)
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings
Keywords: Crossing safety, crossing monitoring, first responders, delay time, train signal, artificial intelligence, train control
Abstract:
Researchers developed i-CATSS to detect and predict highway-rail blockages and provide first responders with real-time information of traffic conditions at crossings.
Report Number
DOT/FRA/ORD-22/15
Office
RDI-23
11
Feb
2022
Technical Reports
Acoustical Warning Device for Locomotive Horns
Subject
Grade Crossing Technology
Keywords: Acoustic Warning Device, AWD, air horn, variable directivity, grade crossing, sound beam steering, speaker array, locomotive, detectability, noise reduction
Abstract:
This summarizes the R&D of a variable directivity Acoustic Warning Device (AWD) used as a locomotive horn and a GPS to control an arrangement of directional loudspeakers....
Report Number
DOT/FRA/ORD-22/08
Office
RDI-22
25
Aug
2020
Technical Reports
Trespasser Detection on Railroad Property Using Unmanned Aerial Vehicles
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings,
Trespass Countermeasures
Keywords: Highway-rail, grade crossing, humped crossing, photogrammetry, LiDAR
Abstract:
This research focused on evaluating the applicability, limitation, and effectiveness of using unmanned aerial vehicles (UAVs, or “drones”) for trespass remote detection systems...
Report Number
DOT/FRA/ORD-20/33
Office
RDI-23
25
Aug
2020
Technical Reports
Trespasser Detection Systems on Railroad Rights-of-Way
Subject
Grade Crossing Technology,
Highway-Rail Grade Crossings,
Trespass Countermeasures
Keywords: Highway-rail, grade crossing, humped crossing, photogrammetry, LiDAR
Abstract:
This research focused on evaluating the effectiveness of fixed ROW trespass remote detection systems and the integration of these systems with law enforcement dispatch...
Report Number
DOT/FRA/ORD-20/34
Office
RDI-23