1.3.2 - Verify Intersection Settings
Step Description:
Use Intersection Settings to specify the default behavior for intersection-related commands.

NOTE: The intersection settings are pre-set by Florida DOT State Kit and Template (DWT) file used.
AutoCAD Civil 3D 2012 User's Guide reference:
User's Guide - Corridor Modeling - Intersections and Roundabouts - Intersections - Editing Intersection Settings
For more information watch the video below:
Create Intersection (WMV)