To Change Junction-Related Default Style and Label Settings
Use the junction settings to specify default styles and labels for junction creation and for certain components that are create during junction creation.
In Toolspace, on the Settings tab, right-click the Junction collection. Click Edit Feature Settings to open the Edit Feature Settings - Junction dialog box.
Expand the Default Styles property group.
To specify a default style for junction output objects, such as offset alignments, corner radius, and profiles generated from junctions, click the corresponding field. Click to open the Select Style dialog box.
To specify a default junction style, click Junction Style. Click to open the Select Style dialog box.
To specify a default style for a label set, click the corresponding field. Click to open the Select Label Set dialog box.