1. Guide for the development of bicycle facilities,1999
2. Abraham, J.E., McMillan, S., Brownlee, A.T., Hunt, J., 2002. Investigation of cycling sensitivities. 81st Annual Meeting of the Transportation Research Board. Transportation Research Board, Washington, DC.
3. Akar, G., Clifton, K.J., 2009, in press. The influence of individual perceptions and bicycle infrastructure on the decision to bike. Transp Res Rec.
4. Allen, D., Bygrave, S., Harper, H., 2005. Behaviour at cycle advanced stop lines. Published project report. Transport Research Laboratory, London, England.
5. Alrutz, D., Angenendt, W., Draeger, W., Gundel, D., 2002. Traffic safety on one-way streets with contraflow bicycle traffic. Translated by J.S. Allen from pdf from Strabenverkehrstechnik, June 2002. Accessible at: http://www.bikexprt.com/research/contraflow/gegengerichtet.htm.