Dreaming of accident is a kind of warning about future problems as per dream interpretation and meaning. You will be soon facing unexpected problems in life or some kind of financial damage.
Dreaming of accident and you involved in it means that you will need to be careful about your activities especially those related to vehicle, fire and iron.
Dream of accident and you are not involved means you might a witness to terrible incident. It also means fights with unknown people.
After seeing an accident dream you should avoid hard driving, unwanted travel at night and also going to strange places.
Today it is very common to see dreams of accident as many people see such things in real life or on television. Dreaming of accidents after witnessing an intense incident does not have any value as it is just a mere extension of what happened during the daytime. The dream to have a meaning it should happen naturally not under influence of daytime activity.