This guideline describes the techniques and measures that are used for wayside condition monitoring (CM) of railway rolling stock and details how these measures can be implemented and applied to manage risk, minimise network incidents and delays and lower maintenance costs in a condition based maintenance regime.

This guideline is intended as a general overview to acquaint the reader with techniques and methods that are currently being used to monitor rolling stock condition, to identify key measures and data, and to discuss considerations that need to be made in designing or implementing CM.

The primary objective of this guideline is to build upon other RISSB guidelines that discuss CM as well as risk analysis and management (RAM).