Effects Of Crash Warning Systems On Rear-End Crash Avoidance Behavior Under Fog Conditions

Keywords

Audio warning; Crash avoidance; Driving simulator; Fog; Head-up display; Rear-end crash

Abstract

Reduced visibility conditions increase both the probability of rear-end crash occurrences and their severity. Crash warning systems that employ data from connected vehicles have potential to improve vehicle safety by assisting drivers to be aware of the imminent situations ahead in advance and then taking timely crash avoidance action(s). This study provides a driving simulator study to evaluate the effectiveness of the Head-up Display warning system and the audio warning system on drivers’ crash avoidance performance when the leading vehicle makes an emergency stop under fog conditions. Drivers’ throttle release time, brake transition time, perception response time, brake reaction time, minimum modified time-to-collision, and maximum brake pedal pressure are assessed for the analysis. According to the results, the crash warning system can help decrease drivers’ reaction time and reduce the probability of rear-end crashes. In addition, the effects of fog level and drivers’ characteristics including gender and age are also investigated in this study. The findings of this study are helpful to car manufacturers in designing rear-end crash warning systems that enhance the effectiveness of the system's application under fog conditions.

Publication Date

10-1-2018

Publication Title

Transportation Research Part C: Emerging Technologies

Volume

95

Number of Pages

481-492

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.trc.2018.08.001

Socpus ID

85051136864 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85051136864

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