You can rename an advanced linear referencing system (ALRS) 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 ALRS you want to rename.
- Right-click the geodatabase and click Rename.
- Type a new name for the ALRS.
- Press ENTER when you are finished.