You can rename a linear referencing system (LRS) by right-clicking the object in ArcCatalog.
- Start ArcMap and open the Catalog window, or start ArcCatalog.
- Navigate to the folder location of the geodatabase with the LRS you want to rename.
- Right-click the geodatabase and click Rename.
- Type a new name for the LRS.
- Press Enter when you are finished.