Some collisions are more dangerous than others, but all of them are hazardous outcomes of unsafe driving. Most collisions occur due to speeding and not obeying traffic laws.
The responsibility of every driver is to minimize the risk of hitting the cars, pedestrians or other objects on the road. There is almost always something you can do to avoid an impending collision or reduce its severity.
Depending on the situation, you can do one of these 3 things to prevent a collision: stop, steer away or speed up. Read the Collision Avoidance section to learn about the circumstances, when you can apply one or another technique and their advantages and disadvantages.