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These communities eliminated traffic congestion by building roundabouts. Why not on Missoula's Reserve Street?

January 13, 2018View for printing

"Missoula experts still don't seem to know what to do about Reserve St. long-term. Let's Improve Missoula's Reserve Street has suggested multi-lane roundabouts as a solution for certain problem Reserve St. intersections. The traffic capacity of such a solution seems to be a concern for some. Science demonstrates that multi-lane roundabouts serve traffic volumes well above that of Reserve St. all around the world. Here's a Colorado case study which demonstrates the effectiveness of multi-lane roundabouts for heavy traffic volumes"

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Kevin Davis


The Colorado Rocky Mountain towns of Avon and Vail did what many of us wish our own home towns and cities would do. They eliminated traffic congestion.

They built high-capacity modern roundabouts at nine intersections which had caused long delays. Six roundabouts replaced Interstate 70 ramp intersections formerly regulated by STOP signs, and three roundabouts replaced signalized cross intersections in downtown Avon.

Now there are three modern roundabout interchanges in the Vail Valley, about one hundred miles west of Denver, Colorado. With these major roundabouts, the Vail Valley has become America's "Roundabout Valley," the showcase for high-capacity roundabouts on this continent. ... hanges.html
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