Pan fydd digwyddiad neu dagfeydd caiff camau eu cymryd ar unwaith. Bydd yr ymateb yn cynnwys:
When an incident occurs or congestion is detected, action is taken rapidly. The response will include:dispatching people and  resources to deal with the incident, the resources in question will vary depending on the nature of the incident, for example removing spillages or repairing safety fencingliaising with the emergency servicesactivating electronic message and speed limit signs to advise road users about the incident and manage flowsproviding  content for media bulletins on radio stations and web & social media updates