Latent structure in road systems

J. H. Johnson

Transportation Research Part B: Methodological, 1984, vol. 18, issue 2, 87-100

Abstract: The application of Q-analysis to road transport systems is introduced in this paper, but no prior knowledge of the methodology is assumed. It is argued that the route-link relation of transport systems has a connectivity structure overlooked by conventional transportation theory, and that this structure constrains traffic flow. This is illustrated at the micro-level by a complicated road intersection, and at the macro-level with a simple analysis of a town. The representation of road systems is discussed in this context, and it leads to a new result called the Link Face Theorem. It is suggested that the conventional theory can be usefully extended by studying the latent structure of road systems which is presently overlooked.

Date: 1984
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