Infrastructure measures versus ADAS for traffic safety - application of the Grey Relational Analysis evaluation method
San Francisco, USA : ITS America
InProc. 12th World Congress on Intelligent Transport Systems SP5173
6 november 2006
Article in monograph or in proceedings
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Planologie, ihb lokale en reg. ruimtelijke beleid
Proc. 12th World Congress on Intelligent Transport Systems SP5173
SubjectInnovations in Spatial and Environmental Governance
Two of the main approaches to improve traffic safety are extensive redesign of the physical road infrastructure and large-scale implementation of Advanced Driver Assistance Systems (ADAS). These strategies are to a large extent substitutes, but also partly complementary. This paper determines strategic road traffic safety scenarios, reviews some of the evaluation methods most commonly used in transportation research, and presents Grey Relational Analysis (GRA). GRA is a normalisation based method. It provides a simple and transparent calculation procedure from which a clear-cut ranking order of strategies derives. The application of ?GRA to the evaluation problem is addressed, and some preliminary results are reported, especially sensitivity analysis is discussed.
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