Fabrice Vienne

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OBJECTIVE The goal of this study was to provide a better understanding of driver behavior in fog. BACKGROUND Impaired perception of changes in headway is hypothesized to be one of the reasons for shorter following distances in foggy conditions as compared with clear weather. METHOD In the experiments described here, we measured response time for(More)
The purpose of the present experiment was to investigate the effect of age and of the approaching vehicle’s speed on crossing behavior in an interactive street crossing simulation. Seventy-eight subjects aged from 20-30, 60-70 and 7080, took part in the experiment. Half of them were female and half were male. The participants were asked to cross between two(More)
INTRODUCTION Choosing a safe gap in which to cross a two-way street is a complex task and only few experiments have investigated age-specific difficulties. METHOD A total of 18 young (age 19-35), 28 younger-old (age 62-71) and 38 older-old (age 72-85 years) adults participated in a simulated street-crossing experiment in which vehicle approach speed and(More)
This paper analyses driver trust and performance when using adaptive cruise control (ACC) in a situation involving a truck cutting into the lane in front of the ACC-equipped vehicle. The study was carried out using a mini driving simulator and a simulated ACC whose reference speed and time headway (THW) were preset to 130 km/h and 1.5 s, respectively.(More)
Crossing a two-way street is a complex task that involves visual, cognitive and motor abilities, all of which are known to decline with ageing. In particular, older pedestrians may experience difficulties when crossing two-way streets because of incorrect gap acceptance choices and impossible or unperceived evasive actions. To understand the(More)
OBJECTIVE The aim of this study was to evaluate whether the low visibility of motorcycles is the result of their low cognitive conspicuity and/or their low sensory conspicuity for car drivers. BACKGROUND In several cases of collision between a car and a motorcycle, the car driver failed to detect the motorcyclist in time to avoid the collision. METHOD(More)
Most motorcycle crashes involve another vehicle that violated the motorcycle's right-of-way at an intersection. Two kinds of perceptual failures of other road users are often the cause of such accidents: motorcycle-detection failures and motion-perception errors. The aim of this study is to investigate the effect of different headlight configurations on(More)
OBJECTIVES A virtual-reality training program has been developed to help older pedestrians make safer street-crossing decisions in two-way traffic situations. The aim was to develop a small-scale affordable and transportable simulation device that allowed transferring effects to a full-scale device involving actual walking. METHODS 20 younger adults and(More)
Sabine Langevin, Aurèlie Dommes, Viola Cavallo, Jennifer Oxley, & Fabrice Vienne 1 LPC, French Institute of Science and Technology for Transport, Development and Networks (IFSTTAR – INRETS), Versailles, France 2 MUARC, Monash University Sunway Campus, Malaysia 3 LEPSIS, French Institute of Science and Technology for Transport, Development and Networks(More)