Narrow lanes and their effect on drivers’ behaviour at motorway roadworks

Yousif, S, Nassrullah, ZFA and Norgate, SH 2017, 'Narrow lanes and their effect on drivers’ behaviour at motorway roadworks' , Transportation Research Part F Traffic Psychology and Behaviour, 47 , pp. 86-100.

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Abstract

In recent years, more use of narrow lanes as a temporary traffic management scheme (TTMS) on UK motorway roadwork sections has been made. The rationale is to free up carriageway space, especially for sites with high traffic demands needing repairs. What remains to be determined is the impact of this work on traffic operation. This is important due to the need to manage traffic operational turbulence which could affect the capacity as well as safety levels in roadwork sections. Site observations (mainly using camcorders from overhead bridges) were made which uncovered two discernible patterns of driving behaviour where narrow lanes are implemented at roadworks, especially when heavy goods vehicles (HGVs) are present: (i) “avoiding” passing/overtaking HGVs travelling in the adjacent lanes and (ii) lane “repositioning” while passing/overtaking which might cause some turbulence to traffic operation. From one site, almost half of the passenger car drivers (including small vans) who were following a HGV on the adjacent lanes were avoiding passing that HGV. Also, nearly three quarters of the observed passenger cars, the passenger car drivers tried to position their vehicles as far away as possible, laterally, from the adjacent HGV while passing/overtaking that HGV in order to widen the lateral gap between their vehicles and the HGV. This resulted in driving too close to the edge of the road markings of their current lane away from the HGV. Therefore, this paper aims to report on the “avoiding” and lane “repositioning” behaviours to help inform traffic management teams/designers using narrow lanes as TTMS and make them aware of such behaviours (especially for motorway sections carrying high percentages of HGVs). Also, the finding from these observations were used in the development of a new micro-simulation model in order to evaluate the effect of such turbulence.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Schools > School of Health Sciences
Journal or Publication Title: Transportation Research Part F Traffic Psychology and Behaviour
Publisher: Elsevier
ISSN: 1369-8478
Related URLs:
Depositing User: SH Norgate
Date Deposited: 13 Jun 2017 08:36
Last Modified: 13 Jun 2017 08:36
URI: http://usir.salford.ac.uk/id/eprint/42426

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