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52550
  
  

  23
Feb
2018
Technical Reports
Unmanned Aircraft System Applications in International Railroads
Author
          Federal Railroad Administration

Subject
                    Intelligent Railroad Systems

**Keywords:** Unmanned Aerial Vehicles, UAV, Unmanned Aircraft Systems, UAS, international railroad, Beyond Visual Line of Sight, BVLOS, ground penetrating radar, UAS technology
**Abstract:** This report summarizes the current uses and issues associated with Unmanned Aircraft Systems (UAS) in railroad applications, and provides the use cases employed by railroads.  The...
Report Number
              DOT/FRA/ORD-18/04

  Office
              RDI-21
    8
Dec
2017
Accident Investigations
HQ-2017-1237 (Finalized)

Subject
                    Accident Investigations,
                    Freight Operations,
                    Hazardous Materials

**Keywords:** Accident Investigations, CSX, Hazardous Materials
**Abstract:** On December 8, 2017, at 2:08 p.m., EST, eastbound CSX Transportation (CSX) mixed freight Train Q40407, consisting of 3 locomotives and 141 cars (66 loads/75 empties), derailed 31...
Accident Date
              December 8, 2017

  Accident Type
              Derailment (DRM)

  Railroad Name
              CSX Transportation

  Location
              Union, NJUnited States

  Accident Number
              HQ-2017-1237

  Investigation Status
              Finalized
    29
Nov
2017
Technical Reports
Improved Concrete Crosstie and Fastening Systems for US High Speed Passenger Rail and Joint Corridors: Volume 1 – Project Summary Report
Author
          Federal Railroad Administration

Subject
                    Freight Operations,
                    Passenger Rail

**Keywords:** Concrete crossties, fastening systems, flexural behavior, mechanistic design, infrastructure components, finite element modeling, field experimentation
**Abstract:** Rail corridors often experience a wide variety of passenger and freight train loads, track geometry characteristics, and environmental conditions. These factors must be considered...
Report Number
              DOT/FRA/ORD-17/23

  Office
              RDI-21
    29
Nov
2017
Technical Reports
Improved Concrete Crosstie and Fastening Systems for US High Speed Passenger Rail and Joint Corridors:  Volume 2
Author
          Federal Railroad Administration

Subject
                    Freight Operations,
                    Passenger Rail

**Keywords:** Concrete crossties, fastening systems, flexural behavior, mechanistic design, infrastructure components, finite element modeling, finite element, FE, finite element analysis, FEA, field experimentation

Report Number
              DOT/FRA/ORD-17/23

  Office
              RDI-21
    18
Nov
2017
Accident Investigations
HQ-2017-1234 (Finalized)

Subject
                    Accident Investigations,
                    Freight Operations,
                    Passenger Rail

**Keywords:** Accident Investigations, NS, Freight Operations, Passenger Rail, Norfolk Southern Railway Company
**Abstract:** On Saturday, November 18, 2017, at 8:37 p.m., EST, Norfolk Southern (NS) Train U43U918 (the train) traveling east, derailed 38 cars on the NS St. Charles Branch (Pocahontas...
Accident Date
              November 18, 2017

  Accident Type
              Other Impact Accident (OTI)

  Railroad Name
              Norfolk Southern Railway Company

  Location
              Imboden, VAUnited States

  Accident Number
              HQ-2017-1234

  Investigation Status
              Finalized

  Pagination
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