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-21-106 Date: August 2021 |
Publication Number: FHWA-HRT-21-106 Date: August 2021 |
PDF Version (460 KB)
FHWA Contact: Ann Do, HRDS-30, (202) 493-3319, ann.do@dot.gov; Jeffrey Shaw, HSST, (202) 738-7793, jeffrey.shaw@dot.gov