This is a report of progress in the development of a new generation of urban land use-transport models which represent an approach to a unified theory of urban land use and transport decisions. They have a common basis of economic-utility theory and entropy-information theory.

A general econometric model for allocation of a set of activities to a set of spaces is proposed. Potential applications include engineering and economic planning at various levels from national, regional and urban development to industrial and building layouts and chemical or electronic systems...