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52550
  
  

  21
Nov
2018
Research Results
Report on the New Rail Integrity and Performance Testing at the Mega Sites
Author
          Federal Railroad Administration

Subject
                    Heavy Axle Load (HAL)

**Keywords:** Rail, rolling contact fatigue, RCF, wear, friction control, grinding
**Abstract:** Since 2005, the Association of American Railroads (AAR) and the Federal Railroad Administration (FRA) have co-sponsored ongoing rail performance testing under mainline heavy...
Report Number
              RR 18-17

  Office
              RDI-21
    6
Jun
2018
Research Results
Ballast Degradation Under Heavy Axle Load Trains at the Western Mega Site
Author
          Federal Railroad Administration

Subject
                    Heavy Axle Load (HAL)

**Keywords:** Ballast degradation, triaxial testing, ballast box, heavy axle load, HAL
**Abstract:** Transportation Technology Center, Inc. (TTCI) and the University of Illinois Urbana-Champaign (UIUC), in conjunction with Union Pacific Railroad (UP), investigated ballast...
Report Number
              RR 18-09

  Office
              RDI-21
    27
Feb
2018
Research Results
Performance of No. 20 Frogs of Various Designs in Revenue Service
Author
          Federal Railroad Administration

Subject
                    Heavy Axle Load (HAL),
                    Track

**Keywords:** Special trackwork, turnout frogs, frog heel, frog point, HAL
**Abstract:** Transportation Technology Center, Inc. (TTCI) tested and evaluated the performance of four No. 20 fixed-point frogs on the Norfolk Southern Railway (NS) track as part of the...
Report Number
              RR 18-04

  Office
              RDI-21
    18
May
2017
Accident Investigations
HQ-2017-1205 (Finalized)

Subject
                    Accident Investigations,
                    Passenger Rail,
                    Positive Train Control,
                    Commuter

**Keywords:** Accident Investigations, PTC, Metro North
**Abstract:** On May 18, 2017, at 4:54 p.m., EDT, westbound Metro-North Commuter Railroad Company (MNCW) commuter Train No. 1373, originating from Stamford, Connecticut, and destined for Grand...
Accident Date
              May 18, 2017

  Accident Type
              Derailment (DRM)

  Railroad Name
              Metro North Commuter Railroad Company

  Location
              Rye, NYUnited States

  Accident Number
              HQ-2017-1205

  Investigation Status
              Finalized
    13
Jun
2014
Research Results
Part 1: Heavy Axle Load Revenue Service Mega Site Testing 2005–2012
Author
          Luis Maal and Gary Carr

Subject
                    Heavy Axle Load (HAL),
                    Track,
                    Track/Train Interactions,
                    Tracks & Structures

**Keywords:** Heavy axle load, track infrastructure, mega sites

Report Number
              RR 14-13

  Office
              RDI-21

  Pagination
    1
              2
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