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Simulation-based evaluation of I2V systems' impact on traffic performance: Case study - COOPERS
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Transport planning, economics and engineering.ORCID iD: 0000-0002-7080-5176
KTH, School of Architecture and the Built Environment (ABE), Transport Science, Transport planning, economics and engineering.
2014 (English)In: WIT Transactions on the Built Environment, 2014, 429-446 p.Conference paper (Refereed)
Abstract [en]

In-vehicle technologies and cooperative services are attracting a lot of attention for their potential to deal with congestion problems and improve traffic safety. This paper aims to investigate the impact of infrastructure-to-vehicle cooperative systems, case of COOPERS, at the aggregate level, on traffic performance. A factorial experiment is designed with two factors: traffic demand and penetration of the system with three levels each. In total, nine scenarios are investigated. To replicate driving behavior with and without the system, speed distributions from a simulator experiment are used. A motorway section of 4 km is built in VISSIM simulation software. Indicators such as speed, density, delays and travel times are chosen to evaluate and compare the motorway performance with and without the system. The results show that drivers driving with the system activated are more aware and alert to near future traffic conditions compared to driving without the system. Driving with the system activated is characterized by smoother and longer speed decelerations when approaching critical incident/accident events. The results show as well that the factors investigated significantly impact the motorway performance. Congestion reduces the impact of the system whereas higher penetration levels improve traffic operation on the motorway. Future research directions can include (1) investigating the impact of the system at the micro level such as lane changing or car-following behaviors; (2) levels of compliance with the system, which is an important aspect as well.

Place, publisher, year, edition, pages
2014. 429-446 p.
Keyword [en]
Cooperative systems, Driver simulator, Driving behavior, Factorial experiment, Micro simulation, Traffic performance, Behavioral research, Computer software, Experiments, Urban transportation, Co-operative systems, Microsimulation, Traffic congestion, cooperative behavior, demand analysis, numerical model, performance assessment, technological development, traffic management, transportation infrastructure, transportation safety
National Category
Transport Systems and Logistics
URN: urn:nbn:se:kth:diva-167908DOI: 10.2495/UT140361ScopusID: 2-s2.0-84903136075ISBN: 9781845647780OAI: diva2:818367
20th International Conference on Urban Transport and the Environment, UT 2014, 28 May 2014 through 30 May 2014, Algarve

QC 20150608

Available from: 2015-06-08 Created: 2015-05-22 Last updated: 2015-06-08Bibliographically approved

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