Current participants
The following states and the Federal Highway Administration are active members of the study.

- Connecticut
- Indiana
- Illinois
- Maryland
- Minnesota
- Nebraska
- North Dakota
- South Dakota
- Wisconsin
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Connecticut Department of Transportation Aidan Neely Kevin Dahn |
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Illinois Department of Transportation Kristy Brod Keith Donovan |
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Indiana Department of Transportation Nick Evans Mike Nichols Tony McClellan |
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Maryland Department of Transportation Keith Thomas Scott Simons |
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Minnesota Department of Transportation Joe Huneke Jakin Koll |
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Nebraska Department of Transportation Mike Mattison Kerry Scott Jim Laughlin |
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North Dakota Department of Transportation Barry Kinnischtzke Mike Kisse |
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South Dakota Department of Transportation Dave Huft Dan Varilek |
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Wisconsin Department of Transportation Mike Adams Emil Juni |
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Federal Highway Administration David Johnson Jeremy McGuffey |