1. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts, Amherst, MA 01003. ORCID:
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts, Amherst, MA 01003 (corresponding author). ORCID: .
3. Assistant Administrator for Traffic and Safety, Highway Division, Massachusetts Dept. of Transportation, Boston, MA 02116.