31177 (text messages) or 3117 (contact centre) is the emergency number of the available 24/7 over the entire French railway system to report a dangerous situation you are the witness or victim of. SNCF operators take your call straight away And get in touch with the most appropriate service to assist and protect you. They are trained for all types of situations, Including Attack Alerts. Our advice Accept geolocation. It enables operators and emergency services to intervene faster and more eff