Automated vehicles for highway operations (automated highway systems)

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Automated vehicles for highway operations (automated highway systems)

Shladover, S.E.

Considerable research effort has been devoted within the past 15 years to automate the driving of highway vehicles in order to improve their safety and efficiency of operation and to help to reduce traffic congestion. Although the highway environment is in some ways more structured than other environments in which automated vehicles have been proposed to operate, the density and complexity of road traffic still make the sensing and control problems challenging. Because highway vehicles are not 'unmanned' but are expected to carry passengers and to coexist with other passenger-carrying vehicles, the reliability and safety considerations in the design of their control systems are much more important than they are for vehicles that are truly unmanned. This paper reviews the progress that has been made in recent research on highway vehicle automation and indicates the important research challenges that still need to be addressed before highway automation can become an everyday reality.