This paper describes the design and the implementation of the Internet-based M tool, an information and advisory tool for individual space-time-behavior. Everyday mobility is substantially influenced by previously made long-range decisions--such as choice of residential location or...

Urban development in the last two centuries has been driven by an unprecedented growth in mobility made possible by abundant and cheap energy. Yet this trend will not continue forever. Despite technological innovation, finite fossil fuel reserves will in the long run lead to increasing costs of...