text: Driverless cars are built to allow the car to steer, accelerate, and brake on its own. With these features it would cause less people trying to speed passed each other for going to slow, or cause the driver to not have to take a sharp stop because they we going to quick for a yellow light. The car are also built with a laser beam the would show a 3-D model of the surrounding of the driver, which allows it to know everything that is happening and how to react. If there is some construstion going on ahead or a crash the car also alarms the driver to take control.