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Track-Related Research, Volume 7: Guidelines for Guard/Restraining Rail Installation (2010) / Chapter Skim
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Chapter 5 - Conclusions
Pages 24-25

The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.


From page 24...
... • From a safety point of view, the guard rail installation guidelines for the simulated Type 1 and Type 2 transit rail cars and the Type 1 and Type 2 light rail vehicles (defined in Table 2 in the report) with recommended 75° flange angle wheels are listed below: – For yard curves (15 mph speed limit)
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From page 25...
... • These guard rail installation guidelines do not apply to special trackwork, such as the guard rail for switches, crossings, and turnouts.
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Key Terms

  • guard rail
  • light rail
  • rail installation
  • rail vehicles
  • climb derailment

  • guard rails
  • flange angle
  • transit rail
  • wheel flange
  • rail cars

  • derailment risk
  • cant deficiency
  • friction coefficient
  • installation guidelines
  • angle wheels

  • risk decreases
  • track perturbations
  • following guard
  • curve radius
  • deficiency speed

  • wheel wear
  • prevent flange
  • installation criteria
  • special trackwork
  • wear compared

  • factors leading
  • vehicle rolling
  • leading axle
  • vehicle curving
  • risk increases


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