1. Ph.D. Candidate, Transportation Engineering, Dept. of Civil Engineering, Schulich School of Engineering, Univ. of Calgary, AB, Canada T2N 1N4.
2. Professor, Urban Alliance Professor in Transportation Systems Optimization, Dept. of Civil Engineering, Schulich School of Engineering, Univ. of Calgary, AB, Canada T2N 1N4 (corresponding author).
3. Ph.D. Student, Pure Mathematics, Univ. of Minnesota, Minneapolis, MN 55455.