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Demonstration of Mechanics-Based Track Geometry Deterioration Models

Document Series:
Research Results
Author:
  • Federal Railroad Administration
Report Number
RR 22-23
Office
RDI-22
Subject:
Track
Keywords:
Ballast, ballast fouling index, BFI, track inspection, forecasting models
Document
Demo of Mechanics_0.pdf (511.38 KB)

The Federal Railroad Administration (FRA) contracted Transportation Technology Center, Inc. (TTCI) to expand on existing mechanics-based ballast condition forecasting models. This report demonstrates how one of the mechanics-based models performs against field data and makes recommendations for improving that model.


Last updated: Wednesday, August 20, 2025