1. Soleyman Paydar, Senior PhD Student, Malaysia Institute of Transport (MITRANS), University Technology MARA (UiTM), Shah Alam, Malaysia.
2. Intan Rohani Endut, Lecturer, Faculty of Civil Engineering, University Technology MARA (UiTM), Malaysia. E-mails:
3. Saadiah Yahya, Director, Malaysia Institute of Transport (MITRANS), University Technology MARA (UiTM), Malaysia.
4. Siti Hamidah Abdull Rahman, Senior PhD Student, Malaysia Institute of Transport (MITRANS), University Technology MARA (UiTM), Malaysia.