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A SIMULATOR STUDY ON ADAPTIVE CRUISE CONTROL SYSTEMS AND THE IMPLICATIONS FOR TRAFFIC SAFETY

Marika Hoedemaeker, Marion Wiethoff, Jhth Andriessen, Peter C. van Wolffelaar

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Abstract

This paper discusses a study that evaluates driver behavior as a reaction to driving style and technology, specifically Adaptive Cruise Control (ACC) systems. Due to the constant and safe headway they are able to maintain behind a lead car, ACC systems have been developed to enhance traffic safety and efficiency. This study assesses the possible benefits and liabilities of an ACC system for subjects driving in a driving simulator. Four different groups of participants differed on their driving speed and ability to focus on the task. The results of the study indicate that use of an ACC system encourages behavioral adaptation to take place by higher speeds, smaller minimal time headway, and increased use of brakes. The conclusion notes that drivers who drive in an unsafe manner will not become safer drivers with the use of an ACC system.

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What this paper is about

This paper discusses a study that evaluates driver behavior as a reaction to driving style and technology, specifically Adaptive Cruise Control (ACC) systems. Due to the constant and safe headway they are able to maintain behind a lead car, ACC systems have been developed to enhance traffic safety and efficiency. This study assesses the possible benefits and liabilities of an ACC system for subjects driving in a driving simulator. Four different groups of participants differed on their driving speed and ability to focus on the task. The results of the study indicate that use of an ACC system encourages behavioral adaptation to take place by higher speeds, smaller minimal time headway, and increased use of brakes. The conclusion notes that drivers who drive in an unsafe manner will not become safer drivers with the use of an ACC system.

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Available abstract

This paper discusses a study that evaluates driver behavior as a reaction to driving style and technology, specifically Adaptive Cruise Control (ACC) systems. Due to the constant and safe headway they are able to maintain behind a lead car, ACC systems have been developed to enhance traffic safety and efficiency. This study assesses the possible benefits and liabilities of an ACC system for subjects driving in a driving simulator. Four different groups of participants differed on their driving speed and ability to focus on the task. The results of the study indicate that use of an ACC system encourages behavioral adaptation to take place by higher speeds, smaller minimal time headway, and increased use of brakes. The conclusion notes that drivers who drive in an unsafe manner will not become safer drivers with the use of an ACC system.

Key concepts: Cruise control, Headway, SAFER, Driving simulator, Adaptation (eye), Cruise, Task (project management), Simulation

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