Driver-Vehicle Interface Requirements for a Transit Bus Collision Avoidance System

This paper discusses the development of driver-vehicle interface (DVI) requirements for an inner-city transit bus collision avoidance system (CAS). In 1998, there were over 23,000 transit bus collisions resulting in over 20,000 injuries. Using structured interviews with transit bus operators and naturalistic observation, the transit bus operating environment was characterized. Then, a set of CAS functional requirements was generated. Lastly, a set of human factors DVI requirements for a transit bus CAS was developed. The DVI requirements focused on the physical aspects of the display and the display's cognitive demands on the bus operator.