1. Research Scholar, Sardar Vallabhbhai National Institute of Technology, Dept. of Civil Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, India (corresponding author).
2. Professor, Sardar Vallabhbhai National Institute of Technology, Surat, India.
3. Principal Scientist, Transportation Planning Div., CSIR-Central Road Research Institute (C.R.R.I.), New Delhi 110025, India.
4. Research Scholar, Sardar Vallabhbhai National Institute of Technology, Surat, India.