Business context: — Marseille wants to exploit its datasets and assess potential impact of Big Data Approach for its territory (Agglomeration) — ENGIE R&D Department wants to show its expertise in big data and machine learning solutions based on real issues. Business need: — Big Data / Methodology and Process. — Proof of concept : Provide Decision tools, Analysis tools for “Big” Event Organization and Mobility in urban areas. Actions: — The import and processing of heterogeneous data from Marseille IS or Opendata : weather data, victim’s number of accidents, road characteristics, etc. — Modelization and implementation of a machine learning algorithm to predict the probability of accidents occurrence and the optimal positions of city resources (police, firemen, etc.) Results : — 76 % of prediction accuracy in term of accidents occurrence according to a given scenario (weather and time information) PREDICTIVE ROADS ACCIDENT MAP To enhance the roads safety 02/2016 CRIGEN 1