CTRE is an Iowa State University center, administered by the Institute for Transportation.

Address: 2711 S. Loop Drive, Suite 4700, Ames, IA 50010-8664

Phone: 515-294-8103
FAX: 515-294-0467

Website: www.ctre.iastate.edu/

Iowa State University--Becoming the Best

Update of "Roundabouts: An Informational Guide"


Principal investigators:

Student researcher:

Project status

In progress

Start date: 10/01/06
End date: 10/31/08


Sponsor(s): National Cooperative Highway Research Program (NCHRP)

About the research

Abstract: CTRE is a subcontractor on this project and is responsible for reviewing current roundabout design guides used in the United States and internationally and doing a literature review. CTRE will also conduct focus groups of U.S. planners, designers, and operators of roundabouts and other interested parties to identify concerns with the FHWA Guide.