Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3994
Title: Driving with intelligent speed adaptation: Final results of the Belgian ISA-trial
Authors: VLASSENROOT, Sven 
BROEKX, Steven 
De Mol, Johan
INT PANIS, Luc 
BRIJS, Tom 
WETS, Geert 
Issue Date: 2007
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Source: TRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE, 41(3). p. 267-279
Abstract: In October 2002 the first ISA-trial in Belgium was started in Ghent. Thirty-four cars and three buses were equipped with the "active accelerator pedal". In this system a resistance in the accelerator is activated when the driver attempts to exceed the speed limit. If necessary, the driver can overrule the system. The main research goals of the trial in Ghent were to evaluate the effects of ISA on speed-change, traffic safety, drivers' attitude, behaviour and drivers' acceptance. To study these effects of the ISA-system both surveys and logged speed data were analyzed. In the surveys drivers noticed that the pedal assisted them well in upholding the speed limits and that the system increased driving comfort. Most important drawbacks were technical issues. Data analysis shows a reduction in the amount of speeding due to the ISA-system. There is however still a large remaining percentage of distance speeding, especially in low speed zones. Differences between drivers are large. For some drivers speeding even increases despite activation of the system. For less frequent speeders average driving speed almost always increases and for more frequent speeders average speed tends to decrease. With the system, less frequent speeders tend to accelerate faster towards the speed limit and drive exactly at the speed limit instead of safely below, which causes average speeds to go up. (c) 2006 Elsevier Ltd. All rights reserved.
Notes: Univ Ghent, Inst Sustainable Mobil, IDM, B-9000 Ghent, Belgium. Flemish Inst Technol Res, VITO, B-2400 Mol, Belgium. Hasselt Univ, Transportat Res Inst, IMOB, B-3590 Diepenbeek, Belgium.Vlassenroot, S, Univ Ghent, Inst Sustainable Mobil, IDM, Poel 16, B-9000 Ghent, Belgium.sven.vlassenroot@ugent.be steven.broekx@vito.be johan.demol@ugent.be luc.intpanis@vito.be tom.brijs@uhasselt.be Geert.wets@uhasselt.be
Keywords: intelligent transport systems (ITS); intelligent speed adaptation (ISA); acceptance; driving behaviour;Intelligent Transport Systems (ITS); Intelligent Speed Adaptation (ISA); Acceptance; Driving behaviour
Document URI: http://hdl.handle.net/1942/3994
ISSN: 0965-8564
e-ISSN: 1879-2375
DOI: 10.1016/j.tra.2006.05.009
ISI #: 000243663300005
Rights: © 2006 Elsevier Ltd. All rights reserved.
Category: A1
Type: Journal Contribution
Validations: ecoom 2008
Appears in Collections:Research publications

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