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Do cooperative systems make drivers' car-following behavior safer?
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Traffic and Logistics.
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Traffic and Logistics.
2014 (English)In: Transportation Research Part C: Emerging Technologies, ISSN 0968-090X, Vol. 41, 61-72 p.Article in journal (Refereed) Published
Abstract [en]

The main goal of in-vehicle technologies and co-operative services is to reduce congestion and increase traffic safety. This is achieved by alerting drivers on risky traffic conditions ahead of them and by exchanging traffic and safety related information for the particular road segment with nearby vehicles. Road capacity, level of service, safety, and air pollution are impacted to a large extent by car-following behavior of drivers. Car-following behavior is an essential component of micro-simulation models. This paper investigates the impact of an infrastructure-to-vehicle (I2V) co-operative system on drivers' car-following behavior. Test drivers in this experiment drove an instrumented vehicle with and without the system. Collected trajectory data of the subject vehicle and the vehicle in front, as well as socio-demographic characteristics of the test drivers were used to estimate car-following models capturing their driving behavior with and without the I2V system. The results show that the co-operative system harmonized the behavior of drivers and reduced the range of acceleration and deceleration differences among them. The observed impact of the system was largest on the older group of drivers.

Place, publisher, year, edition, pages
2014. Vol. 41, 61-72 p.
Keyword [en]
Co-operative systems, Infrastructure-to-vehicle, Driver behavior, Car-following, Socio-demographic
National Category
Transport Systems and Logistics
URN: urn:nbn:se:kth:diva-145604DOI: 10.1016/j.trc.2014.01.015ISI: 000334818800005ScopusID: 2-s2.0-84894455628OAI: diva2:723028
EU, European Research Council

QC 20140610

Available from: 2014-06-10 Created: 2014-05-23 Last updated: 2014-10-08Bibliographically approved

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Farah, HaneenKoutsopoulos, Haris N.
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