Exploring alternate traffic circulation effects in Île-de-France Region using aggregated mobile phone data: is it still useful to use mobile phone data?

International audience; During the last decade, the usefulness of passive mobile phone data for the study of urban mobility have been investigated by different research communities. Mobile phone data have many advantages, among them, a passive collection process and the availability of mobility data during a continuing period.However, at the moment in European Union due to an increasing concern in privacy issues, these data are aggregated per hour and antenna. We assume that this kind of data, despite their aggregation level, have still a large utility in studying urban mobility.To answer this issue we use a 12 months mobile phone dataset from the french mobile operator Orange. We will expl…