1. Postgradute Student, Civil Engineering Programme Area, Universiti Teknologi Brunei (UTB), Gadong BE1410, Brunei Darussalam.
2. Assistant Professor, Dept. of Public Works, Faculty of Engineering, Ain Shams Univ., Cairo 11517, Egypt (corresponding author). ORCID: .
3. Assistant Professor, Centre for Transport Research, Universiti Teknologi Brunei (UTB), Gadong BE1410, Brunei Darussalam. ORCID: .