Why should drivers always be looking for hazards?

You should always be looking for hazards. Continue to learn to see hazards on the road. However, do not forget why you are looking for the hazards; they may turn into emergencies. You look for hazards in order to have time to plan a way out of any emergency. When you see a hazard, think about the emergencies that could develop and figure out what you would do. Always be prepared to take action based on your plans. This way, you will be a prepared, defensive driver who will improve not only your own safety but the safety of everyone on the road.