The Trim tool on the Advanced Editing toolbar lets you click a line feature and trim it based on its intersection with a selected line feature. To use the Trim tool, select the feature that you want to use as a cutting line, then start clicking the intersecting line segments that you want to trim. The part of the line that you click will be removed.
![Black vertical lines are to be trimmed to meet the red horizontal line Black vertical lines are to be trimmed to meet the red horizontal line](GUID-D5BEDC68-394D-41B2-9B0D-74E5C887624C-web.png)
![Select the line to trim to and click each line to trim to it Select the line to trim to and click each line to trim to it](GUID-29EDFEA6-1E8B-49B7-A333-C6CC2DCB223E-web.png)
![Result of trimming the lines Result of trimming the lines](GUID-30E2EC09-5A80-4DF2-B280-77182A4A0F85-web.png)
- Click the Edit tool
on the Editor toolbar.
- Select the line segment at which you want to trim a line.
- Click the Trim tool
on the Advanced Editing toolbar.
- Click the end of the feature that you want to trim.
The line you clicked is trimmed to the selected line.