- Covoiturage Dynamique: L’Etude Prealable avant Experimentation [Dynamic Ridesharing – Advanced Study before Experimentation] – (CERTU – Transport Technology, 2009) (French)
- Various UK government Reports [DfT & TfL] – (2000 – 2008)
- Saving Oil in a Hurry – (International Energy Agency, 2005)
- TCRP Report 95, Chap. 5 – Vanpools and Buspools – Traveler Response to Transportation System Changes – (TCRP, 2005)
- Ridesharing Needs and Requirements: The Role of the Private and Public Sectors – (TRB Special Report #193, 1981)