Systems and methods are provided for updating vehicle navigation guidance systems. The methods may comprise receiving an audible emergency broadcast, and scanning the audible emergency broadcast for a plurality of predetermined key terms. Upon detecting a presence of at least one of the plurality of predetermined key terms, the method may include analyzing an additional portion of the audible emergency broadcast for vehicular traffic information. The method includes determining at least one incident location to have a potential of being affected by the vehicular traffic information. The method may include providing an update, alert, or information related to the vehicular traffic information to at least one vehicle within a certain distance to the incident location, or to at least one vehicle currently routed through the incident location.