1. ‘UK Road Transport Emission Projections’, (The Stationery Office Ltd, Department of the Environment, Transport and Regions, London 1997),DETR
2. ‘Nitrogen Dioxide in the United Kingdom’, (Department for Environment, Food and Rural Affairs, London 2004),AQEG (Air Quality Expert Group)
3. ‘Particulate Matter in the United Kingdom’, (Department for Environment, Food and Rural Affairs, London 2005),AQEG (Air Quality Expert Group)
4. ‘A new deal for transport: better for everyone, The Government's White Paper on the future of transport’, (The Stationery Office Ltd, Department of the Environment, Transport and the Regions 1998),London DETR
5. ‘Review of the UK National Air Quality Strategy: a consultation document’, (The Stationery Office, Department of the Environment, Transport and the Regions 1998),London DETR