2.0

Table Of Contents
Defining a Ditch or Transition by Offsetting an Existing Vertical Alignment
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When you have selected the vertical alignment to offset, the following
prompt is displayed:
Profile to create (Left/Right):
7 Type Left to create a left profile, or Right to create a right profile.
A prompt similar to the following is displayed:
Select left profile (1/2/3/4/5/6/7/8):
8 Define the number of the profile to create by typing a number from 1 to 8. This
number is assigned to the new offset alignment. Typically, 1 is used as the first
offset from the centerline, 2 is used as the second offset from the centerline, and
so on.
A prompt similar to the following is displayed:
Select alignment L2:
9 Select the corresponding horizontal alignment of the profile that you want to
create. You can select the alignment from the graphics screen, or press ENTER
to access the Alignment Librarian.
For example, if the vertical alignment you are creating is the right edge of
pavement, then select the horizontal alignment that you created for the right
edge of pavement.
The following prompt is displayed:
Enter grade %:
10 Type the grade for the offset (as a percentage). This value is the grade between
the existing alignment and the offset that will be created. Type a minus sign for
a negative grade.
The command then determines the offsets to the alignment.
11 Import the offset alignment into the drawing in order to view it.
Editing a Ditch or Transition Vertical Alignment
You can use the DT Vertical Alignments ä Edit command on the Profiles menu
to edit a vertical alignment. This command is almost identical to using the Edit
Vertical Alignment command found in the Existing Ground menu.
There are two Edit commands on the Profiles menu: one in the Ditches and
Transitions (DT) section, and the other in the Finished Ground Centerline
(FGC) section. The major difference between these commands is that the DT
Vertical Alignment ä Edit command first prompts for the selection of the
vertical alignment to edit.