Transportation Planning: Principles, Practices and Policies About the Author Pradip Kumar Sarkar, Ph.D., is Professor and Head, Department of Transport Planning, School of Planning and Architecture, New Delhi. Also, he is the Vice-President of the Institute of Urban Transport, India. He is presently engaged in teaching, research and consulting work in the area of Transport Planning. He is an active member of various technical committees of the national importance. Besides this, he has written two books on Transport Economics and Sustainable Transport System and contributed more than 110 papers published at national and international levels. Vinay Maitri, Ph.D., is Professor of Programming and Head of the Centre for Analysis and System Studies, GIS and Remote Sensing, School of Planning and Architecture, New Delhi. He is a member of various technical committees. He has also contributed about 50 research and technical papers to the publications in referred journals, national and international conferences/seminars/workshops.G.J. Joshi, Ph.D., is Associate Professor, Department of Civil Engineering, SVNIT, Surat. He has contributed around 60 papers to national and international conferences/seminars/journals. His research interests include urban transportation planning, urban and regional travel demand forecasting, traffic flow modelling, traffic regulation and control, and non-conventional materials for highway pavements.