1. Selected references on appraisal techniques in Eu member states are marked with an asterisk.
2. Arbault, M.-L., Mathonnet, C., Reynaud, C., 1998. Summary of the National Reports. Deliverable D3, SORT-IT project (ST-95-SC-402) for EC DGVII, Institute for Transport Studies (ITS), University of Leeds.
3. Bristow, A.L., Mackie, P.J., Nellthorp, J., Jansen, G.D., 1998. Costs, prices and values in the appraisal of transport projects—European principles and practice. Paper presented to the Eighth World Conference in Transport Research, Antwerp.
4. Commission of the European Communities, 1985. Council Directive of 27 June 1985 on the assessment of the effects of certain public and private projects on the environment. Official Journal of the European Community L175:40-48. Also: Amending Directive 97/11, Official Journal No L 073, 14/3/97 P0005.
5. Chilton, S., Covey, J., Hopkins, L., Jones-Lee, M., Loomes, G., Pidgeon, N., Spencer, A., 1998. New research results on the valuation of preventing fatal road casualties. In: Department of the Environment, Transport and the Regions, Road Accidents in Great Britain 1997, The Stationery Office, pp. 28–33.