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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/1492

Title: The impact of hourly measured speed on accident risk in the Netherlands: results from an exploratory study using GIS
Authors: BRIJS, Tom
WETS, Geert
KRIMPENFORT, Robin
Offermans, C.
Issue Date: 2006
Publisher: NATL ACAD SCI
Citation: TRANSPORTATION RESEARCH RECORD, (1972). p. 85-93
Abstract: Several scholars have defined the urgent need for more research to identify the precise relationship between speed and crash involvement more fully. In this paper, we present the first results of an exploratory study carried out in the Brabant Southeast police region in the Netherlands. Hourly speed measurement data over a period of two years were collected from loop detectors on the municipal and provincial road network and were related to crashes. Different aspects of traffic intensity, speed and their impact on crashes were studied, including absolute speed, speed variation and the proportion of excessive speeders, both for vehicles under and over 5.2 meters long. The study also discusses a number of methodological aspects associated with this kind of analysis. The results show that although absolute speed plays a more important role on roads where speed limits are low, it is the variation in speed that correlates more with crashes when speed limits are higher. Given the limited study area, the results of this work cannot be generalized without risk. However, they offer interesting insights that deserve further investigation in a nationwide cross-sectional study.
Notes: TRAVEL SURVEY METHODS, INFORMATION TECHNOLOGY, AND GEOSPATIAL DATA
URI: http://hdl.handle.net/1942/1492
ISI #: 000245421600011
ISSN: 0361-1981
Category: A1
Type: Journal Contribution
Validation: ecoom, 2008
Appears in Collections: Research publications

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