Method for associating a hazard with a zone of a digital map

There is disclosed herein methods of operating a computing device, such as a server, to associate a hazard with a zone of a digital map. The method comprises the computing device: receiving data representative of a location of a hazard matched to a location on a digital map accessible to said computing device; and determining if the repository comprises data representative of a zone corresponding to a region of a digital map containing the location of the hazard, to which the hazard should be associated. If the repository does not comprise data representative of such a zone, the method further comprises generating data representative of a zone corresponding to a region of a digital map containing the location of the hazard, and storing the generated data representative of said zone in the data repository. There is also disclosed herein computing devices and software for carrying out these methods.