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.
- 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.