1. Research Associate, Nebraska Transportation Center, Univ. of Nebraska-Lincoln, 262E Prem S. Paul Research Center at Whittier School, Lincoln, NE 68583-0851 (corresponding author). ORCID: .
2. Distinguished Professor and Director, Nebraska Transportation Center, Keith W. Klaasmeyer Chair of Engineering, Univ. of Nebraska-Lincoln, 262D Prem S. Paul Research Center at Whittier School, Lincoln, NE 68583-0851. ORCID: .
3. Postdoctoral Researcher, Nebraska Transportation Center, Univ. of Nebraska-Lincoln, 262K Prem S. Paul Research Center at Whittier School, Lincoln, NE 68583-0851.