1. Graduate Research Assistant, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22904.
2. Associate Professor, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22903 (corresponding author).
3. Application Developer, Smart Travel Laboratory, Univ. of Virginia, Charlottesville, VA 22903.
4. Assistant Professor, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22904.
5. Research Associate, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22904.