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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
    24
Apr
2018
Compliance Manuals
Training, Qualifiication, and Oversight for Safety-Related Railroad Employees Compliance Guide
Author
          Rob Castiglione

Subject
                    Railroad Safety Technical Training Standards

**Keywords:** 243, Training
**Abstract:** Compliance guide for 49 CFR 243 - Training, Qualification, and Oversight of Safety-Related Railroad Employees
Discipline
              Human Performance Division
    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
    16
Aug
2017
Reference Materials
FRA MP&E Training Module 4
Author
          TTSD

Subject
                    Railroad Safety Technical Training Standards

**Keywords:** Training
**Abstract:** Internal training document for MP&E inspectors available to the industry.

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