AutoCAD Civil 3D now offers integrated roundabout-related features from Vehicle Tracking swept path analysis software, so you can create a new type of roundabout object. In addition, you can now bring InfraWorks 360 roundabout designs into Civil 3D drawings.
Get it now
It's easy to get started. Download a free 30-day trial and try it out. Purchase options include flexible subscription terms to fit your needs.