Modern Roundabouts

What is a Modern Roundabout?

A modern roundabout is a circular, unsignalized intersection where entering traffic yields to motorists circulating counterclockwise around a central island.


Safety Benefits of Modern Roundabouts

When designed correctly, modern roundabouts can have multiple advantages over signalized intersections.


Modern Roundabouts and the Environment

When designed correctly modern roundabouts can significantly reduce the amount of pollutants released into the atmosphere from idling vehicles when compared to signalized intersections.


Modern Roundabout Videos

Videos about Modern Roundabouts and why they are becoming increasingly popular in Southeast Michigan and throughout the United States.


Common Modern Roundabout Myths

There are many myths and misconceptions citizens hear about modern roundabouts. Sometimes everything you read or hear is not necessarily true. This document is intended to help educate readers on the facts of modern roundabouts. The Washtenaw County Road Commission, with assistance from DLZ Michigan, Inc., has created this paper titled “Common Modern Roundabout Myths” in an effort to educate others on the facts of modern roundabouts.

Modern Roundabout Myths Paper


Aesthetics

Landscaping the central island provides beneficial enhancements by creating attractive focal and entrance points within a community.


How to Navigate Modern Roundabouts

A modern roundabout is a circular, unsignalized intersection where entering traffic yields to motorists circulating around a central island.

How to Navigate Modern Roundabouts Video

MDOT Explains Roundabout Safety Regarding Emergency Vehicles

The Michigan Department of Transportation announced that motorists must clear a Roundabout if they hear (or see) an emergency vehicle coming.


Modern Roundabout Projects

The following intersections, under the authority of the Washtenaw County Road Commission and the Michigan Department of Transportation, are programmed for construction of a modern roundabout or represent recently completed modern roundabout projects


Modern Roundabout Links

Modern roundabouts are being designed and built at intersections all over the United States. This section includes links to websites, books, publications, guidelines, and articles related to modern roundabouts.