To improve information for users of motorways and national roads in Ile-de-France, the State is putting online a new version of the Sytadin application for smartphones, with: ► An improved interface, a more precise map; ► My Sytadin: direct access to personalized information on your favorite routes; ► SOS: a virtual call terminal to quickly contact emergency services according to its geolocation. And always : • Reliable information: all events and their consequences are checked by traffic