In order of increasing detail:
1) ArcUser article "Dynamic Segmentation"
2) Even though it was written for version 8.1, the following whitepaper gives a good overview
3) Step by step reference information exists in the help for ArcGIS
4) Digital documents were provided with the software
Linear Referencing in ArcGIS: This book describes how to create, manage, display, query, and analyze data whose relative position has been modeled along a linear feature. At Version 9.1, Linear Referencing is now available to ArcView users.
Linear Referencing in ArcGIS: This tutorial will introduce you to linear referencing in ArcGIS.
5) A $50 course exists:
Those who complete this course will be able to:
- Query routes
- Understand route measures
- Create a route feature class
- Create simple routes from existing linear features
- Assign measures to a route
- Symbolize routes with hatching
- Create event tables
- Generate route events
- Edit route features
- Remeasure edited routes
- Calibrate route measures
- Create complex routes