Victorian Integrated Survey of Travel & Activity 20072007----08080808 VISTA07 Motorcycle FollowFollow----UpUp Survey 161616 March 2009 D.J. Richardson & A.J. Richardson, The Urban Transport Institute Conducted for The Victorian Department of Transport bybyby The Urban Transport Institute III---view Pty Ltd VISTA07 Motorcycle Survey Report Table of Contents 1. Introduction ............................................................................................................... 5 2. Preliminary Planning................................................................................................ 6 2.1 Project Objectives.................................................................................................................... 6 2.2 Survey Objectives.................................................................................................................... 6 2.2.1 What are the Survey Objectives? ............................................................................ 6 2.3 Survey Scope .......................................................................................................................... 6 2.3.1 What was the scope of the Survey?........................................................................ 6 2.4 Review of Existing Information ............................................................................................... 7 2.4.1 What prior information was available? .................................................................... 7 2.4.2 What secondary information was available for sample expansion? ...................... 8 2.5 Definition of Terms .................................................................................................................. 8 2.6 Survey Timetable..................................................................................................................... 9 2.6.1 What was the survey timetable? ............................................................................. 9 3. Selection of Survey Method .................................................................................. 11 3.1 Survey Time Frame ............................................................................................................... 11 3.1.1 Cross-sectional or time series? ............................................................................. 11 3.2 Survey Technique.................................................................................................................. 11 3.2.1 What is the general survey methodology? ............................................................ 11 3.2.2 Why was this method selected? ............................................................................ 11 4. Sample Design ........................................................................................................ 12 4.1 Target Population .................................................................................................................. 12 4.1.1 What was the target population? ........................................................................... 12 4.1.2 How was it defined and identified? ........................................................................ 12 4.2 Sampling Units ...................................................................................................................... 12 4.3 Sampling Frame .................................................................................................................... 12 4.3.1 What sampling frame was used? .......................................................................... 12 4.3.2 Why was it originally compiled? ............................................................................ 12 4.3.3 How well does it perform? ..................................................................................... 12 4.4 Sampling Method................................................................................................................... 13 4.4.1 What sampling method was used and why? ........................................................ 13 4.4.2 Is the sample representative of population? ......................................................... 13 4.5 Sampling Bias ........................................................................................................................ 13 4.5.1 What sources of sample bias have been considered?......................................... 13 4.6 Sample Size and Composition .............................................................................................. 14 4.6.1 What was the sample size? ................................................................................... 14 4.6.2 What stratifications were used in the sampling? .................................................. 14 4.7 Estimation of parameter variances ....................................................................................... 14 4.7.1 How will variances in survey results be estimated? ............................................. 14 4.8 Conduct of Sampling ............................................................................................................. 15 4.8.1 What procedures were used in the final sampling?.............................................. 15 5. Survey Instrument Design..................................................................................... 16 5.1 Question Content................................................................................................................... 16 5.1.1 The Person Form ................................................................................................... 16 i VISTA07 Motorcycle Survey Report 5.2 Physical Nature of Forms ...................................................................................................... 17 5.2.1 Cover letters ........................................................................................................... 17 5.2.2 Questionnaire ......................................................................................................... 17 5.3 Question Instructions............................................................................................................. 17 5.3.1 What instructions were provided for respondents? .............................................. 17 5.4 Issues Identified With Survey Design ................................................................................... 17 6. Pilot Survey ............................................................................................................. 19 7. Survey Administration ........................................................................................... 20 7.1 Training Procedures .............................................................................................................. 20 7.2 Survey Procedures ................................................................................................................ 20 7.2.1 Sample Selection ................................................................................................... 20 7.2.2 Survey Pack Preparation and Delivery ................................................................. 20 7.2.3 Pre-Survey Period Reminder Call ......................................................................... 21 7.2.4 Survey Pack Return and Processing .................................................................... 21 7.2.5 Post-Survey Period Reminders ............................................................................. 21 7.2.6 Data Entry and Editing ........................................................................................... 21 7.2.7 Final Data Editing and Report Preparation ........................................................... 21 7.2.8 Timing of the Process ............................................................................................ 21 7.2.9 Outcomes of the Survey Procedures .................................................................... 22 8. Data Coding ............................................................................................................ 25 8.1 Initial Office Checking............................................................................................................ 25 8.1.1 Visual check of returns .......................................................................................... 25 8.2 Coding Method ...................................................................................................................... 25 8.2.1 What physical coding method was used? ............................................................. 25 8.2.2 Why was this coding method used?...................................................................... 25 8.3 Structure of Data Files .......................................................................................................... 26 8.3.1 Person, Vehicle, and Travel Diary files ................................................................. 26 8.4 Coding Frames ...................................................................................................................... 26 8.4.1 Coding frames for each data file ........................................................................... 26 8.5 Data Entry Programs ............................................................................................................. 27 8.5.1 What programs were developed for data entry? .................................................. 27 8.6 Coding Administration ..........................................................................................................