1 Gatersleben, B. and Appleton, K.M. (2007). Contemplating cycling to work; attitudes and perceptions in different stages of change. Transportation Research Part A 41 (2007) 302–312 Contemplating cycling to work; attitudes and perceptions in different stages of change Birgitta Gatersleben and Katherine M. Appleton University of Surrey Department of Psychology Guildford, Surrey, GU2 7XH UK Phone: + 44 1483 689306 Fax: +44 1483 689553 b.gatersleben@surrey.ac.uk