Modelling lane-changing execution behaviour in a connected environment: A grouped random parameters with heterogeneity-in-means approach

Yasir Ali · Zuduo Zheng · Md. Mazharul Haque

88 citations0/0 files storedCommunications in Transportation Research

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Human-Automation Interaction and Safety Traffic and Road Safety Traffic control and management

Abstract

Lane-changing is performed either to follow the route to a planned destination (i.e., mandatory lane-changing) or to achieve better driving conditions (i.e., discretionary lane-changing). A connected environment is expected to assist during lane-changing manoeuvres, but it is not known well how driving aids in a connected environment assist lane-changing execution. As such, this study investigates the impact of a connected environment on lane-changing execution time during mandatory and discretionary lane-changing manoeuvres. To this end, this study designed an advanced driving simulator experiment where 78 drivers performed these manoeuvres on a simulated motorway in three randomised driving conditions. The conditions were baseline (without driving aids), a fully functioning connected environment with a perfect supply of driving aids, and an impaired connected environment with delayed driving aids. The lane-changing execution time has been modelled by a random parameters hazard-based duration modelling approach, which accounts for the panel nature of data and captures the unobserved heterogeneity. Results suggest that, compared to the baseline condition (i.e., a non-connected environment), most of the drivers in the connected environment take more time to complete their lane-changing manoeuvres, indicating drivers’ safer lane-changing execution behaviour in the connected environment. The communication delay driving condition has been found to have more deteriorating effects on mandatory lane-changing manoeuvres than discretionary lane-changing manoeuvres. This study concludes that (i) the connected environment increases safety margin during both lane-changing manoeuvres, and (ii) a higher magnitude of safety margin is observed during mandatory lane-changing manoeuvres whereby drivers have a higher need for assistance.

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References

2003Statistical and Econometric Methods for Transportation Data Analysis 2020Statistical and Econometric Methods for Transportation Data Analysis 2020The impact of the connected environment on driving behavior and safety: A driving simulator study 2007Influence of Age and Proximity Warning Devices on Collision Avoidance in Simulated Driving 2014Age and Gender Differences in Time to Collision at Braking From the 100-Car Naturalistic Driving Study 2007Do in-vehicle advanced signs enhance older and younger drivers’ intersection performance? Driving simulation and eye movement results 2005Eye Glance Behavior of Van and Passenger Car Drivers During Lane Change Decision Phase

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