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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
    8
Jan
2015
Technical Reports
Identity Management for Interoperable PTC Systems in Bandwidth-Limited Environments (Part 1)
Author
          Howard & George Mason University

Subject
                    Positive Train Control,
                    Grants & Financial Assistance

**Keywords:** PTC Railroad Safety Technology Grant
**Abstract:** Positive Train Control is a wireless based system designed to provide comprehensive safety coverage for passenger and cargo trains operating on US railroads by 2015. Mandated by...
Report Number
              FR-TEC-0006-11-01-00

  Office
              RRS-13.5
    8
Jan
2015
Technical Reports
Identity Management for Interoperable PTC Systems in Bandwidth-Limited Environments (Part 2)
Author
          Howard & George Mason University

Subject
                    Positive Train Control,
                    Grants & Financial Assistance

**Keywords:** PTC Railroad Safety Technology Grant
**Abstract:** Technical Report- REDACTED
Report Number
              FR-TEC-0006-11-01-00

  Office
              RRS-13.5

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