Traffic safety relies heavily on the principles of forces and motion, which are fundamental concepts in science. Newton’s laws of motion explain how objects move and interact with forces, shaping the way vehicles operate and how accidents occur. For example, inertia—the tendency of an object to resist changes in motion—demonstrates why seat belts are essential. In the event of a sudden stop, passengers continue moving forward unless restrained, which can lead to severe injury. Similarly, friction plays a crucial role in braking; the grip between tires and the road determines how quickly a vehicle can come to a stop. Understanding acceleration and deceleration helps engineers design better safety features like airbags, crumple zones, and anti-lock braking systems (ABS) to reduce impact forces during collisions. By applying scientific principles, traffic safety measures are continually improved to protect drivers, passengers, and pedestrians.