Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 576

The roundabout is updated to reflect the parameters that you defined for
the preset. When you create another roundabout, the presets that you
defined will be available.
Examine the roundabout design standards file
1 Using Windows Explorer, navigate to the
Standards\Metric folder
Roundabouts Presets.xml with your default Internet browser.
2 Under RoundaboutPresets
standardType="EN-US", examine the contents of the following blocks:
RoundaboutPreset name="R = 40"
ApproachPreset name="R = 40"
IslandsPreset name="R = 40"
These blocks contain the parameters you entered earlier in this exercise.
If you are familiar with XML code, you can edit this file directly to add
presets without using the Preset - Add dialog box in AutoCAD Civil 3D.
564 | Chapter 14 Intersection and Roundabout Tutorials
Data\Corridor Design
(page 819). Open the Autodesk Civil 3D Metric
StandardPresets US