Using GPS Technology for Demand Data Collection

Travel demand data is a necessary basis for urban mobility planning, but especially in developing and emerging economies data availability is often weak or non-existing. The Global Positioning System (GPS) technology offers a cheap alternative for data collection to traditional diary or survey methods. This document elaborates on advantages and disadvantages of the approach and also discusses different aspects of the post-processing of GPS data in order to determine trips, mode choice and trip purposes.

First edition: 2018