Exposure Factor 3 Distance Traveled

Authored by: Becky P.Y. Loo , Tessa Kate Anderson

Spatial Analysis Methods of Road Traffic Collisions

Print publication date:  September  2015
Online publication date:  December  2015

Print ISBN: 9781439874127
eBook ISBN: 9781439874134
Adobe ISBN:

10.1201/b18937-13

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Abstract

Time geography has its origins from Torsten Hägerstrand’s “space-time model” (Hägerstrand 1970). Generally, it studies the space-time behavior of human individuals; in their daily life, people follow a space-time trajectory. The space-time model is an attempt to understand under what basic condition linkages like collisions develop. Transportation and therefore road collisions are fundamentally space-time oriented, where the human population is conceived as forming a web of paths that flow through a set of space-time locations (Carlstein et al. 1978). Each path, or for the sake of this research, we shall call journey, has a life span (a journey time); however, these paths are not isolated. In terms of transportation, they coexist along the road network. The temporal importance of road collisions is very prominent in affecting the risk of a collision. The movement that drivers take through space or, in other words, from A to B, takes up time and yet has constraints surrounding it, for example attitude to speeding, type of vehicle, and weather. These factors all contribute to the changing temporal dimension of road collisions. This chapter emphasizes the potential applications of intelligent transport systems (ITSs) and three-dimensional (3D) GIS in understanding and analyzing road collisions.

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