We would like to thank the transportation agencies that funded this project:
- Michigan Department of Transportation
- Minnesota Department of Transportation
- Nebraska Department of Transportation
- New Jersey Department of Transportation
- Wisconsin Department of Transportation
We would also like to thank Dwayne Stenlund (MnDOT), Darwyn Heme (MDOT), Paul Pospiech (NJDOT), and Leif Hubbard (WIDOT) for technical assistance. Finally, we would like to thank the National Cooperative Highway Research Program for coordinating multi-state agency participation as part of the Transportation Pooled Fund Program.