Motorcyclist Exposure on Victorian Roads (RSD 457) VicRoads – Final Report May 2008 Motorcyclist Exposure on Victorian Roads (RSD 457): Final Report Table of Contents Executive Summary ....................................................................................................................................................................... 7 Overview ................................................................................................................................................................................................................................................ 7 Methods and Sample ............................................................................................................................................................................................................................. 7 Key Findings ........................................................................................................................................................................................................................................... 8 Implications ......................................................................................................................................................................................................................................... 10 Section A .................................................................................................................................................................................... 11 Part I - Introduction and Context .................................................................................................................................................... 11 Project Objectives ................................................................................................................................................................................................................................ 12 Part II – Method Summary ............................................................................................................................................................ 13 Methodological Overview ................................................................................................................................................................................................................... 13 Project Timelines: Collection and Reporting Stages ........................................................................................................................................................................... 13 Part III – Instrument Development ................................................................................................................................................. 14 Survey Criteria ..................................................................................................................................................................................................................................... 14 Initial Question Creation and Consultation ......................................................................................................................................................................................... 15 Survey Pilot .......................................................................................................................................................................................................................................... 15 Part IV – Detailed Methodology ...................................................................................................................................................... 16 Sampling .............................................................................................................................................................................................................................................. 16 Sources of Data .................................................................................................................................................................................................................................... 16 Page 2 of 93 Motorcyclist Exposure on Victorian Roads (RSD 457): Final Report Data Collection method ....................................................................................................................................................................................................................... 18 Incentives ............................................................................................................................................................................................................................................ 18 Seasonality ........................................................................................................................................................................................................................................... 19 Selection Bias ....................................................................................................................................................................................................................................... 19 Acknowledged Methodological Limitations ........................................................................................................................................................................................ 21 Part V – Data Collection Processes .................................................................................................................................................. 22 Data Collection: Hard Copy (Paper) ..................................................................................................................................................................................................... 22 Data Collection: Online ........................................................................................................................................................................................................................ 22 Response Rates .................................................................................................................................................................................................................................... 24 Part VI - Sample Overview ............................................................................................................................................................. 25 Section B: Results ....................................................................................................................................................................... 27 Section B1: General Results .......................................................................................................................................................... 28 Part I - The Riders ........................................................................................................................................................................ 28 Licence Types ....................................................................................................................................................................................................................................... 28 Car Possession ..................................................................................................................................................................................................................................... 29 Typical bike use ................................................................................................................................................................................................................................... 29 Crashes ................................................................................................................................................................................................................................................ 30 Rider Categorisation ............................................................................................................................................................................................................................ 30 Part II - The Motorcycles ............................................................................................................................................................... 32 Number of Motorcycles owned........................................................................................................................................................................................................... 32 Insurance ............................................................................................................................................................................................................................................. 33 Page 3 of 93 Motorcyclist Exposure on Victorian Roads (RSD 457): Final Report Type of Motorcycle: Main .................................................................................................................................................................................................................. 33 Engine Capacity: Main .......................................................................................................................................................................................................................