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.

In this paper a mathematical model is presented for allocation of activities to zones or to resources at the national or regional level. The model is intended for use within the framework of the systems approach for engineering and economic planning. The model is basically a quadratic...