Travel time dynamics (Also Available on CD)
Krishnan, Supraja
Travel time dynamics (Also Available on CD) - 2016 - 60p.,CD-ROM
CONTENTS Executive Summary 9 Research Background 9 The Study 9 Research Title 9 Methodology 9 Qualitative research 10 Literature Review 10 Quantitative research 10 Implications 11 Travel Time Dynamics 12 Abstract 12 Travel time budget - Early motivations 13 Confusion in Terminology – synonymous or no 13 Stable travel time budgets – ‘the strong’ and ‘the weak’ hypotheses 13 The implied hypothesis – where does saved time go? 15 Constant travel time budgets – human behaviour, genetics? 17 Reductionist explanations 17 Reconstructive explanations 17 Contextualising explanations 18 Usefulness of explanations 18 TTB studies 18 Seventy Minutes Plus or Minus 10 18 Stability – only apparent 19 An increasing average travel time expenditure 20 Questioning the apparent stability 21 Expenditures vary 22 Thresholds 22 Extreme travelling 24 Conclusions, research gap and future 25 Methodology and Research Design 27 Site – Chennai 27 Qualitative research 27 Quantitative research 27 Zone Aggregation 28 Data and methods 29 Overview of duration models 33 Non-parametric approach 34 Parametric approach 34 Proportional hazard model 35 The accelerated lifetime model 35 Semi-parametric approach 37 Estimation and results 37 Semi-parametric estimation - Cox estimation 43 Parametric estimation 45 Extreme Travellers 48 The extreme traveller’s profile 49 How different are the extreme travellers? 49 Does the extreme traveller show different preferences? 50 Making use of travel time as a rationale for intensive travelling 51 Extreme travel a choice? 51 Perception of Travel time among Extreme travellers 52 Conclusion 52 References 56
P TH-1979 / KRI
Travel time dynamics (Also Available on CD) - 2016 - 60p.,CD-ROM
CONTENTS Executive Summary 9 Research Background 9 The Study 9 Research Title 9 Methodology 9 Qualitative research 10 Literature Review 10 Quantitative research 10 Implications 11 Travel Time Dynamics 12 Abstract 12 Travel time budget - Early motivations 13 Confusion in Terminology – synonymous or no 13 Stable travel time budgets – ‘the strong’ and ‘the weak’ hypotheses 13 The implied hypothesis – where does saved time go? 15 Constant travel time budgets – human behaviour, genetics? 17 Reductionist explanations 17 Reconstructive explanations 17 Contextualising explanations 18 Usefulness of explanations 18 TTB studies 18 Seventy Minutes Plus or Minus 10 18 Stability – only apparent 19 An increasing average travel time expenditure 20 Questioning the apparent stability 21 Expenditures vary 22 Thresholds 22 Extreme travelling 24 Conclusions, research gap and future 25 Methodology and Research Design 27 Site – Chennai 27 Qualitative research 27 Quantitative research 27 Zone Aggregation 28 Data and methods 29 Overview of duration models 33 Non-parametric approach 34 Parametric approach 34 Proportional hazard model 35 The accelerated lifetime model 35 Semi-parametric approach 37 Estimation and results 37 Semi-parametric estimation - Cox estimation 43 Parametric estimation 45 Extreme Travellers 48 The extreme traveller’s profile 49 How different are the extreme travellers? 49 Does the extreme traveller show different preferences? 50 Making use of travel time as a rationale for intensive travelling 51 Extreme travel a choice? 51 Perception of Travel time among Extreme travellers 52 Conclusion 52 References 56
P TH-1979 / KRI