Dear all, Any recommendations on best ways to estimate total cycling trips from work trips, for various European cities? Jason === Jason N. Meggs, J.M., M.C.P., M.P.H. University of Bologna DICAM - Transportation Engineering Group Viale Risorgimento, 2 40136 Bologna, Italy Office: +39 051 209 3338 Fax: +39 051 209 3337 Mobile: +39 333 1565 787 Email: [log in to unmask] [log in to unmask] [log in to unmask] Web: http://jasonmeggs.com/ Skype: jasonmeggs USA Phone: +1 510-725-9991