Recommended sources of information are as follows:
- DETR (1999) Monitoring Local Cycle Use, TAL 01/99, January;
- DETR (2000) Monitoring Walking, TAL 06/00, June;
- Transport for London (TfL) (2004), A Business Case and Evaluation of the Impacts of Cycling in London (Draft).
- World Health Organisation (WHO) (2007), Health Economic Assessment Tool (HEAT) for cycling; and
- WHO (2003), Health and development through physical activity and sport.
