This video demonstrates how to import a roundabout in your design.
Additional information on ConceptStation located here: https://www.bentley.com/en/products/product-line/civil-design-software/openroads-conceptstation
Click the video below to play it. To view in fullscreen mode, first click the YouTube link at the bottom of the video to launch the video on the YouTube site. Then, click the fullscreen button (rightmost button at bottom of video).
Recorded in 1280 X 720 resolution.