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Journal Article

Citation

Teh E, Jamson S, Carsten O. Appl. Ergon. 2018; 67: 125-132.

Affiliation

Institute for Transport Studies, University of Leeds, LS2 9JT, United Kingdom.

Copyright

(Copyright © 2018, Elsevier Publishing)

DOI

10.1016/j.apergo.2017.09.012

PMID

29122183

Abstract

This study examines the effect of traffic demand on driver workload by varying a range of characteristics of traffic behaviour, in particular focusing on the influence of a lane change performed by a neighbouring vehicle. To examine drivers' ability to manage their own workload in these traffic situations, a self-initiated, surrogate mobile phone task was presented to them, to coincide with changes in traffic demand.

RESULTS showed that whilst participants delayed the initiation of the task when the lane change was performed in close proximity to them, the delay was insufficient to mitigate the effects of the increased workload, leading to task errors. This was attributed to driver's willingness to engage in secondary tasks, even though their (self-reported) workload had not returned to baseline levels. The minimum workload recovery period was calculated as being 12 s after the onset of the adjacent vehicle's manoeuvre, and this has implications for the design of workload managers.

Copyright © 2017 Elsevier Ltd. All rights reserved.


Language: en

Keywords

Demand; Driving; Lane change; Secondary task; Workload

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