Roundabout-related features from Autodesk® Vehicle Tracking have been integrated into AutoCAD Civil 3D enabling the creation of a new type of roundabout object in AutoCAD Civil 3D.
You can now bring roundabouts into an AutoCAD Civil 3D drawing from Autodesk® InfraWorks® 360.
Clickhere to try out AutoCAD Civil 3D 2017 for free