1. Assistant Research Scientist, Texas A&M Transportation Institute, 701 N Post Oak Ln., # 430, Houston, TX 77024. ORCID: .
2. Graduate Research Assistant, Florida International Univ., 10555 W Flagler St., Miami, FL 33174 (corresponding author). ORCID: .
3. Assistant Professor, Texas State Univ., 601 University Dr., San Marcos, TX 78666.
4. Undergraduate Student, Univ. of Dodoma, Kikuyu Ave., Dodoma 41218, Tanzania.
5. Undergraduate Student, Dept. of Statistics, Eastern Africa Statistical Training Centre, Dar es Salaam 35103, Tanzania.