Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 578

6 At the top of the Create Roundabout - Approach Roads dialog box, use
the drop-down list to select South to North Approach (1).
7 Under Predefined Parameters to Import, select R = 40.
8 At the bottom of the dialog box, click Next twice. Click Finish.
The approach roads to the north and south of the roundabout are updated
to reflect the updated preset. The other approach roads were not affected
because you did not apply the new preset to them.
Delete a preset
1 Click Intersection tab
Roundabout.
2 Click the Approach_SN alignment.
3 In the Create Roundabout - Approach Roads dialog box, under Predefined
Parameters to Import, select R = 40. Click
The preset is removed from the list.
566 | Chapter 14 Intersection and Roundabout Tutorials
Modify Roundabout panel
.
Edit