NDLI: Advances in travel geometry and urban modelling

Content Provider	Springer Nature Link
Author	Hyman, Geoffrey Mayhew, Les
Copyright Year	2004
Abstract	Urban travel geometry is a generalization of patterns of movement in cities and regions where route configuration and prevailing traffic speeds constrain or direct movement in distinctive and repeatable patterns. In this paper we use these properties to construct time surfaces on which distance equates to the time of travel in the urban plane. Such surfaces can be two- or three-dimensional and are useful in the study of urban structure, locational analysis, transport planning and traffic management. A particular niche addressed in this paper is non-conformal time surface transformations in which speed or the cost of travel is constrained according to co-ordinate directions. It is argued that such models may be more suited to gridded and orbital-radial cities than previously used conformal transformations. After explaining the rationale behind the approach, a mathematical basis is developed and several calibrated examples are provided based on regions in the UK. The paper concludes with some examples of potential applications, and an annex provides a detailed mathematical framework.
Starting Page	191
Ending Page	207
Page Count	17
File Format	PDF
ISSN	03432521
Journal	GeoJournal
Volume Number	59
Issue Number	3
e-ISSN	15729893
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydrogeology Geography (general) Ecology Environmental Management Methodology of the Social Sciences
Content Type	Text
Resource Type	Article
Subject	Geography, Planning and Development

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