Roundabouts: An Informational Guide

Below is a link to a PDF entitled Roundabouts: An Informational Guide
To see it click on: Roundabout Design Guide
It includes many photos of other roundabouts throughout the U.S. and a couple of other countries.

Excerpt:
Landscaping is one of the distinguishing features that give roundabouts an aesthetic advantage over traditional intersections. Landscaping in the central island, splitter islands (where appropriate), and along the approaches can benefit both public safety and community enhancement. ...Read more