The worthwhile goal of reducing fatalities in road systems inspires people ever since the appearance of the first vehicles. Policy makers, researchers, developers, and others have adopted various measures with a positive effect on the number of fatalities. In Germany, the number dropped from a peak of 21,095 in 1970, to 3,339 in 2013 [1]. Measures include new laws and restrictions by policy makers such as reducing speed limits, penalizing drunken drivers, and enhancing education by driving schools [2]. Researchers and developers mainly focus on technical safety and assistance systems. These systems include the anti-lock braking system (ABS), the electronic stabilization control (ESC), the emergency brake system, adaptive cruise control (ACC), and the lane-keeping control [3].