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Travel Surveys and Data Collection (Need for data (Policy formation,…
Travel Surveys and
Data Collection
Need for data
Policy formation
Demand estimation
Traffic simulation
Network improvement
Project assessment and evaluation
Service planning
Strategy assessment
Method selection
Existing data
New data requirements
Available resources
People
Financial
Time
Survey instrument
Actual
Number plates
Parking survey
Direct observations
Indirect observations
Counts
Behavioural
Oral/written questionnaire
Self-completion
Interview
Longitudinal
Panel
Rotating panel
Cohort
Sampling procedures
Target population
Sampling unit and frame
Sampling method
Sampling errors
Measurement
Sampling
Computational
Specification
Transfer
Aggregation
Sample size
Always part of Empirical
Instrument design
Questionnaire
Relevance
Reliability
Length
Accuracy
Personal interview
Factual
Opinion
Classification
Other aspects
Pilot survey
Pre-testing
Coding
Weighting
Data analysis