As of October 16, 2006 the following public agencies have committed funds to the pooled fund study:

Alberta Infrastructure & Transportation

Illinois Department of Transportation

Indiana Department of Transportation

Iowa Department of Transportation

Kansas Department of Transportation

Manitoba Department of Transportation

Michigan Department of Transportation

Minnesota Department of Transportation

Missouri Department of Transportation

Montana Department of Transportation

North Dakota Department of Transportation

Ohio Department of Transportation

Saskatchewan Dept. of Highways and Transportation

Wisconsin Department of Transportation