Performance of No. 20 Frogs of Various Designs in Revenue Service
Document Series:
Research Results
Author:
- Federal Railroad Administration
Report Number
RR 18-04
Office
RDI-21
Subject:
Heavy Axle Load (HAL)Track
Keywords:
Special trackwork, turnout frogs, frog heel, frog point, HAL
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Last updated: Tuesday, February 27, 2018