1. Midwest Roadside Safety Facility, University of Nebraska–Lincoln, 130 Whittier Building, 2200 Vine Street, Lincoln, NE 68583-0853
2. Gyrodata, Inc., 4425 Jefferson Street, Houston, TX 77023
3. Mechanical and Materials Engineering, Midwest Roadside Safety Facility, University of Nebraska–Lincoln, W342 NH, Lincoln, NE 68588
4. Roadway Design Division, Nebraska Department of Roads, 1500 Nebraska 2, Lincoln, NE 68502