To access the tools for roundabouts click the button.
Note: When there are no roundabouts in the design yet, this button is not active. (Click here to read about creating a new roundabout)
You will see this toolbar appear on the top left of the plan view window:
The big button indicates which type of options the toolbar is for.
Edit Roundabout Dimensions
Modify a Roundabout
Modify a Roundabout Arm (Horizontal Design)
Modify a Roundabout Arm (Vertical Design)
Move a Roundabout
Roundabout Longsection
Click this button to close the Road toolbar