U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
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| This report is an archived publication and may contain dated technical, contact, and link information |
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| Publication Number: FHWA-HRT-14-020 Date: January 2015 |
Publication Number: FHWA-HRT-14-020 Date: January 2015 |
The authors would like to thank the Federal Highway Administration, the Midwest Transportation Consortium, the Iowa Department of Transportation, the Iowa Highway Research Board, and the Texas Department of Transportation for sponsoring this research. We would also like to thank the corresponding State and local agencies who worked with us to select and install treatments.
The Center for Transportation Research and Education also thanks the Texas Transportation Institute and Portland State University for their partnership on this research.
