U.S. Department of Transportation
Federal Highway Administration
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Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
TECHBRIEF |
This techbrief is an archived publication and may contain dated technical, contact, and link information |
Publication Number: FHWA-HRT-21-095 Date: February 2022 |
Publication Number: FHWA-HRT-21-095 Date: February 2022 |
FHWA Contact: Robert P. Spragg, HRDI-10, ORCID: 0000-0001-9205-1486, 202-493-3233, robert.spragg@dot.gov. Ben Graybeal, HRDI-40, ORCID: 0000-0002-3694-1369, 202-493-3122, benjamin.graybeal@dot.gov.
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