Before you edit your route data in ArcMap, you need to add the Route Editing toolbar. You should also ensure that the Editor toolbar has been added.
- In ArcMap, click Customize > Toolbars.
- Click Route Editing.
Adding the Route Editing toolbar
ArcGIS Desktop is in mature support and will be retired March 1, 2026. There are no plans for future releases of ArcGIS Desktop, and it is recommended that you migrate to ArcGIS Pro. See Migrate from ArcMap to ArcGIS Pro for more information.