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http://hdl.handle.net/1942/17825
Title: | Automated section speed control on motorways: An evaluation of the effect on driving speed | Authors: | DE PAUW, Ellen DANIELS, Stijn BRIJS, Tom HERMANS, Elke WETS, Geert |
Issue Date: | 2014 | Source: | ACCIDENT ANALYSIS AND PREVENTION, 73, p. 313-322 | Abstract: | Automated section speed control is a fairly new traffic safety measure that is increasingly applied to enforce speed limits. The advantage of this enforcement system is the registration of the average speed at an entire section, which would lead to high speed limit compliances and subsequently to a reduction in the vehicle speed variability, increased headway, more homogenised traffic flow and increased traffic capacity. However, the number of studies that analysed these effects are limited. The present study evaluates the speed effect of two section speed control systems in Flanders, Belgium. Both sections are located in the opposite direction of a three-lane motorway with a posted speed limit of 120 km/h. Speed data were collected at different points: from 6 km before the entrance of the section to 6 km downstream from the section. The effect was analysed through a before- and after comparison of travel speeds. General time trends and fluctuations were controlled through the analysis of speeds at comparison locations. On the enforced sections considerable decreases were found of about 5.84 km/h in the average speed, 74% in the odds of drivers exceeding the speed limit and 86% in the odds of drivers exceeding the speed limit by more than 10%. At the locations up- and downstream from the section also favourable effects were found for the three outcomes. Furthermore a decrease in the speed variability could be observed at all these data points. | Notes: | Ellen De Pauw: corresponding author. Tel.: +32 11 26 91 11. E-mail addresses: ellen.depauw@uhasselt.be (E. De Pauw), stijn.daniels@uhasselt.be (S. Daniels), tom.brijs@uhasselt.be (T. Brijs), elke.hermans@uhasselt.be (E. Hermans), geert.wets@uhasselt.be (G. Wets). | Keywords: | automated section speed control; before–after study; enforcement; motorway; speed; traffic safety | Document URI: | http://hdl.handle.net/1942/17825 | ISSN: | 0001-4575 | e-ISSN: | 1879-2057 | DOI: | 10.1016/j.aap.2014.09.005 | ISI #: | 000346453600037 | Rights: | © 2014 Elsevier Ltd. All rights reserved. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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