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Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.Ĥ.2 TRACK AND WHEEL GAUGES AND FLANGEWAYS 4-1ÂĤ.2.2 Standard Track and Wheel Gauges 4-2ÂĤ.2.2.4 Gauge Issues—Joint LRT and Railroad and Mixed Fleets 4-6ÂĤ.2.2.5 Gauge Issues for Embedded Track 4-8ÂĤ.2.3 Track Gauge Variation—General Discussion 4-9ÂĤ.2.4.1 Filkins-Wharton Flangeway Analysis 4-11ÂĤ.2.4.2 Nytram Plots—Truck-Axle-Wheel Positioning on Curved Track 4-14ÂĤ.2.4.2.1 Nytram Plot—Wheel Profile Sections 4-15ÂĤ.2.4.2.2 Nytram Plots—Static Condition 4-17ÂĤ.2.4.2.3 Nytram Plotsâ€≍ynamic Condition 4-18ÂĤ.2.4.2.4 Nytram Plots Considering Restraining Rail 4-20ÂĤ.2.5 Rail Cant and Wheel Taper—Implications for Track Gauge 4-23ÂĤ.2.5.1 Tapered Wheel Tread Rationale 4-24ÂĤ.2.5.4 Variation of Rail Cant as a Tool for Enhancing Truck Steering 4-27ÂĤ.2.6 Construction and Maintenance Tolerances—Implications for Track Gauge 4-30ÂĤ.2.6.1 Tolerances—General Discussion 4-30ÂĤ.2.6.3 Suggested Track Construction Tolerances 4-31ÂĤ.3 GUARDED CURVES AND RESTRAINING RAILS 4-32ÂĤ.3.3.1 Non-Quantifiable Considerations for Restraining Rail 4-35ÂĤ.3.3.2 Longitudinal Limits for Restraining Rail Installations 4-37ÂĤ.3.5.1 Restraining Rail Working Face Angle 4-39ÂĤ.3.5.3 ADAAG Considerations for Restraining Rail 4-40ÂĤ.3.6 Omitting Restraining Rails—Pros and Cons 4-40 Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book.