The University of Adelaide CENTRE FOR AUTOMOTIVE SAFETY RESEARCH

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Publication Details

TitlePassing Lanes: Safety and Performance
AuthorsEspada I, Stokes CS, Cairney P, Truong J, Bennett P, Tziotis M
Year2019
TypeReport
AbstractThis report examines the impacts of passing lanes on safety, journey time and user experience and provides guidance to assist in the development of passing lane installation projects.

The research found that passing lanes result in safety benefits, including perceived safety by motorists, safer operational conditions, and historical crash reductions. Passing lanes were also found to improve journey times through a small increase in travel speed and a significant reduction in percentage of time spent following a slower vehicle.

This project included a

literature review

safety analysis, before-and-after analysis of crash records, speed and headway analysis, and overtaking behaviour analysis

journey time analysis, including development of modelling guidance and numerical experiments on the impact of passing lanes on travel speed and per cent time spent following

road user experience survey analysis, including an analysis of perceptions and valuation of level-of-service

a review and re-calibration of the TRAffic on Rural Roads (TRARR) model.

Report NumberAP-R596-19
PublisherAustroads
Publisher CitySydney
ISBN978-1-925671-95-7
Page Count94
NotesFreely available from Austroads website with registered (free) account

https://austroads.com.au/publications/traffic-management/ap-r596-19

Reference
Espada I, Stokes CS, Cairney P, Truong J, Bennett P, Tziotis M (2019) Passing Lanes: Safety and Performance (AP-R596-19), Austroads, Sydney.