Dr. Purnima Parida is a Principal Scientist and Head of the Transportation Planning Division of Central Road Research Institute, New Delhi, India. Some of the significant projects handled by Dr Parida include research on the development of qualitative and qualitative Level of Service Models for Sidewalks, Estimation of Energy Loss due to CongestionDr. Purnima Parida is a Principal Scientist and Head of the Transportation Planning Division of Central Road Research Institute, New Delhi, India. Some of the significant projects ….