Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 481

2 In the Set Width Or Offset Target dialog box, in the Select Object Type
To Target list, select Feature Lines, Survey Figures And Polylines.
3 Click Select From Drawing.
4 In the drawing, on the left side of the alignment, select the blue polyline
and magenta feature line. Press Enter.
The entities are added to the table at the bottom of the Set Width Or
Offset Target dialog box.
5 Click OK.
Notice that because the subassembly names contain the assembly side,
it is easy to determine which assembly must target which offset object.
This naming convention is even more useful in road designs that contain
many alignments and subassemblies. For information on updating the
subassembly naming template, see the
Template (page 427) exercise.
Specify the transition lane elevation targets
1 In the Transition Profile row for BasicLaneTransition - (Right), click the
Object Name field.
Exercise 2: Creating a Corridor with a Transition Lane | 469
Modifying the Subassembly Name