Technical information

Transitioning a Roadway | 185
4 Draw and define horizontal or vertical transition
alignments.
For example, you can draw a horizontal transition
alignment for a passing lane, or you can draw a vertical
transition alignment for a ditch.
Defining a Ditch or
Transition as a Horizontal
Alignment
Defining a Ditch or
Transition as a Vertical
Alignment
5 To apply the transition alignments to the template, from
the Cross Sections menu, choose Design Control
➤ Edit
Design Control.
To attach horizontal alignments, click Attach Alignments.
To attach profiles, click Attach Profiles.
Click OK to exit the Edit Design Control dialog box, and
the cross sections are updated automatically with the
transition information.
Attaching the Horizontal
Transitions to Cross
Sections
Using Ditch or Transition
Profiles when Processing
the Cross Sections
6 You can modify individual cross sections, if needed, using
the Cross Sections
➤ View/Edit Sections command.
Changing the Left and
Right Transition Regions
7 To update the vertical alignment with the changes that
you made to the cross sections, you can choose Ditch/
Transition
➤ Import Profile from the Cross Sections menu,
and then import the transition line into the profile.
To update the horizontal alignment with the changes that
you made to the cross sections, you can choose Ditch/
Transition
➤ Import Plan Lines from the Cross Sections
menu and import the horizontal transition into the plan
view.
Importing a Ditch or
Transition from the Sections
into a Profile
Importing a Ditch or
Transition from the Sections
into the Plan View
8 To update the alignment database, redefine the imported
horizontal and vertical alignments.
Defining a Ditch or a
Transition as a Horizontal
Alignment
Defining a Ditch or a
Transition as a Vertical
Alignment
To transition a roadway (continued)
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