TRB’s Transit Cooperative Research Program (TCRP) Report 155: Track Design Handbook for Light Rail Transit, Second Edition provides guidelines and descriptions for the design of various common types of light rail transit (LRT) track. The track structure types include ballasted track, direct fixation (“ballastless”) track, and embedded track. The report considers the characteristics and interfaces of vehicle wheels and rail, tracks and wheel gauges, rail sections, alignments, speeds, and track moduli. The report includes chapters on vehicles, alignment, track structures, track components, special track work, aerial structures/bridges, corrosion control, noise and vibration, signals, traction power, and the integration of LRT track into urban streets. A PowerPoint presentation describing the entire project is available online.
Contributor(s): National Academies of Sciences, Engineering, and Medicine; Parsons Brinckerhoff, Inc.; Metro Tech Consulting Services, Engineering and Architecture, P.C.; Track Guy Consultants; Ihrig and Associates Wilson, Inc.; Transportation Research Board; Transit Cooperative Research Program
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