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  28
May
2019
Reference Materials
An Implementation Guide for Wayside Detector Systems
Author
          Federal Railroad Administration

Subject
                    Rolling Stock

**Keywords:** Bearing temperatures, calibration, Dynamic Ratio, DR, Hot Box Detectors, HBD, Truck Hunting Detector, THD, wayside detector systems, wheel flats, Wheel Impact Load Detector, WILD, Wheel Temperature Detector, WTD
**Abstract:** The guide briefly reviews different wayside detector systems in North America’s rail network, including Acoustic Bearing Detectors (ABD) (Trackside Acoustic Detection System [TADS... U.S. DEPARTMENT OF TRANSPORTATION

**Federal Railroad Administration**

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