Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 553

Apron Width: 3
4 Under Markings Parameters, specify the following parameters:
Outer Offset: Selected; 0.5
Inner Offset: Selected; 0.5
Marker Line Width: 0.3
Number Of Lanes To Mark: 2
Lane Marker Line Width: 0.2
Lane Marker Linetype: DASHED
5 Specify the alignment parameters:
Site: None
Alignment Style: Roundabout - Circulatory Road
Alignment Layer: 0
Alignment Name Prefix: Roundabout
Alignment Label Set: Roundabout - Circulatory Road
6 At the bottom of the dialog box, click Next.
Specify the approach road parameters
1 In the Create Roundabout - Approach Roads dialog box, under Predefined
Parameters To Import, select RG = 20.
When you change this setting, the Approach Road Parameters section is
populated with preset values. You will learn how to modify and save
these values for later use in
Standards and Presets
2 Specify the alignment parameters:
Alignment Style: Roundabout - Approach Road
Alignment Layer: 0
Alignment Name Prefix: Approach_WE
Alignment Label Set: Roundabout - Approach Road
3 At the top of the dialog box, click Apply To All.
Exercise 5: Working with Roundabout Design
(page 560).
Exercise 1: Creating a Roundabout | 541