Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 542

A low point facilitates drainage along a curb return. In the following
procedures, you will see how the curb return reacts to changes in other
objects.
6 Close the Profile Layout Tools toolbar.
Move the primary road alignment
1 In the left viewport, select the Road A alignment.
2 Select the grip at the southern end of the Road A alignment. Drag the
grip to the left. Click to place the grip.
530 | Chapter 14 Intersection and Roundabout Tutorials