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Human Machine Interface for Connected Vehicle: Requirements, Development and Assessment
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2021-10-01
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[PDF-5.16 MB]
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Edition:Final Report, October 2021
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Abstract:The Connected Vehicle Pilot project was deployed on Interstate 80 corridor in Wyoming with the goal of promoting safety and mobility for road users with a focus on commercial vehicles, Highway patrol, and winter maintenance vehicles. One of the key components of the Wyoming department of transportation (WYDOT) CV pilot is the Human Machine Interface (HMI) that delivers real-time geo-specific Basic Safety Messages (BSM) and Traveler Information Messages (TIMs) to the drivers. However, some potential safety issues of transportation emerging technology stem from the fact that most CV applications rely on HMI, leading to the possibility of distracted driving. This study aims to develop a well-designed HMI that has the potential to provide drivers with proactive decision-making supports by minimizing distraction. In order to achieve this, the stakeholders of the Wyoming CV Pilot were interviewed, E-training modules were developed, and driving simulator testbeds were designed keeping in mind the needs, preferences and regulations of the stakeholders. Twenty professional truck drivers, as well as ten highway troopers from the Wyoming Highway Patrol participated in this study. The results suggested that exposure to CV notifications has promising safety benefits manifested in improved driver behavior and better response to upcoming hazardous events. Furthermore, both the weather and work zone notifications gained high approval from the participants in terms of usefulness and ease of understanding. Nonetheless, little to from the WYDOT CV Human Machine Interface notifications. Recommendations to the modalities and HMI design were implemented by the WYDOT.
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