Defensive driving means being alert while driving to avoid endangering yourself or other road users. It also means you must give other road users advance warning of your intentions so that they too can use the road safely. As a driver, you will constantly face hazards. A hazard is any object or situation that could be dangerous and include: intersections Curves or bends in the road. Pedestrian crossings. The position or movement of other road users, e.g. other vehicles pedestrians, or cyclists Changes in weather and road conditions.