Rural Intersection Active Warning System (RIAWS) - A Driving Simulator Study - Report RR 18-07

Sep 18, 2026

The Rural Intersection Active Warning System (RIAWS) study evaluates driving speed when navigating RIAWS versus a traditional signed rural intersection and a control intersection without signs, using a laboratory-based driving simulator. The assessment involved 100 drivers aged 18 to 80 with current WA C class licences, who completed two researcher-administered questionnaires. Participants also completed the NASA Task Load Index to measure cognitive load associated with driving tasks. Results indicate the RIAWS “80km/h” sign was the most effective option for reducing approach speeds.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages67

Reading Time2 h 49 min

AccessFree to download

TABLE OF CONTENTS

LIST OF TABLES

LIST OF FIGURES

EXECUTIVE SUMMARY

ACKNOWLEDGEMENTS

1. INTRODUCTION

1.1 Aims and objectives

2. SIGNIFICANCE

3. LITERATURE REVIEW

3.1 Rural road conditions and fatalities

3.2 Contributing factors for rural road fatalities

3.3 Addressing crashes through Rural intersection Active Warning System

3.4 Conclusion

4. METHODS

4.1 Phase 1: Scenario development

4.2 Phase 2: driving simulator assessment

5. RESULTS

5.1 Characteristics of the sample population

Rural Intersection Active Warning System (RIAWS): A Driving Simulator Study RR 18-07 CURTIN-MONASH ACCIDENT RESEARCH CENTRE Faculty of Health Sciences Curtin University Hayman Road Bentley WA 6102 Meuleners L, Chow K, Fraser M July 2018 CURTIN-MONASH ACCIDENT RESEARCH CENTRE DOCUMENT RETRIEVAL INFORMATION | Report No.
RR 18-07 | Project No.
18-07 RSC | Date
July 2018 | Pages
57 | ISBN
N/A | | --- | --- | --- | --- | --- | | Title
Rural Intersection Active Warning System (RIAWS): A Driving Simulator Study Author(s)
Professor Lynn Meuleners, Dr Kyle Chow, Ms Michelle Fraser Performing Organisation
Curtin-Monash Accident Research Centre (C-MARC)
Faculty of Health Sciences Curtin University Hayman Road BENTLEY WA 6102
Tel: (08) 9266-2304
Fax: (08) 9266-2958
[www.c-marc.curtin.edu.au](www.c-marc.curtin.edu.au) Sponsor
Road Safety Commission
Level 1, 151 Royal Street
East Perth WA 6004
Abstract
The aim of the study is to evaluate driving speed while navigating through the RIAWS compared to a traditional signed intersection and a control intersection (without signs) using a laboratory-based driving simulator. The driving simulator assessment was completed by 100 drivers aged between 18 and 80 years with a current WA C class licence (passenger vehicle) . Each participant completed two researcher-administered questionnaires, a driving simulator assessment and the NASA Task Load Index to measure cognitive load associated with the driving tasks. Overall, the study found that RIAWS “80km/h” sign provided the most effective option for reducing driver speeds on approach to rural intersections. | | | | | | Keywords
Driving simulator, Rural Intersection Active Warning System (RIAWS), intersection treatment, driving performance
Disclaimer
This report is disseminated in the interest of information exchange. The views expressed here are those of the authors and not necessarily those of Curtin University or Monash University. | | | | | TABLE OF CONTENTS LIST OF TABLES ..................................................................................................................... v LIST OF FIGURES.................................................................................................................... v [EXECUTIVE SUMMARY....................................................................................................... vi](EXECUTIVE SUMMARY....................................................................................................... vi) [ACKNOWLEDGEMENTS ...............................](ACKNOWLEDGEMENTS ...............................)....................................................................... xi 1. INTRODUCTION.................................................................................................................. 1 1.1 Aims and objectives ......................................................................................................... 1 2. SIGNIFICANCE .................................................................................................................... 2 3. LITERATURE REVIEW....................................................................................................... 3 3.1 Rural road conditions and fatalities ................................................................................. 3 3.2 Contributing factors for rural road fatalities .................................................................... 3 3.2.1 Driver behaviour contributing to increased severe crash risk ................................ 4 3.2.2 Rural location contributing to severe crash outcomes ............................................ 5 3.2.3 Road features leading to increased severe crash risk ............................................. 6 3.3 Addressing crashes through Rural intersection Active Warning System ........................ 8 3.4 Conclusion ..................

FAQs

What does the study evaluate about the Rural Intersection Active Warning System (RIAWS)?

It evaluates driving speed while navigating through RIAWS compared with a traditional signed intersection and a control intersection without signs.

Who participated in the driving simulator assessment?

The simulator assessment was completed by 100 drivers aged 18 to 80 with a current WA C class licence (passenger vehicle).

How was cognitive workload measured during the study?

Each participant completed the NASA Task Load Index, along with two researcher-administered questionnaires, to measure cognitive load associated with the driving tasks.

Sep 18, 2026

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