Table 2. Key data sources for baseline scenario.

Dataset	Years	Geographic coverage	Used for	Description of data
UK National Travel Surveys	2002–2008	People living in English and Welsh urban areas outside London	Person based travel (time, distance and speeds) Baseline ratios of walking time and cycling time to reference group	Self-reported weekly travel diary
Transport Statistics Great Britain	2002–2008	English and Welsh urban areas excluding London	Vehicle travel distances	Official statistics based on traffic counts and modelled flows
Stats19	2002–2008	English and Welsh urban areas excluding London	Serious injuries and fatalities by victim mode and striking vehicle	Police reported injuries and fatalities
Health Survey for England	2008	English and Welsh urban areas excluding London	Non-travel physical activity	Self-reported physical activity