Connected Vehicle Pilot Deployment Program : Wyoming

NHTSA · 2017 · ROSA P / United States. Dept. of Transportation. ITS Joint Program Office

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Summary

The Wyoming Connected Vehicle Pilot Deployment Program addresses critical safety and mobility challenges on Interstate 80 (I-80), a 402-mile corridor in Wyoming that serves as a vital freight and passenger connector. The motivation for this initiative stems from the corridor’s severe weather conditions, including high winds and blowing snow, which contribute to frequent vehicle blowovers and crashes. Between 2006 and 2016, there were 1,237 reported blowovers, and from October 2015 to September 2016, over 1,600 crashes resulted in 18 fatalities, 271 injuries, and more than 1,500 hours of road closures, causing an estimated $865 million in societal impact. Sponsored by the U.S. Department of Transportation (USDOT) Intelligent Transportation Systems Joint Program Office, the pilot aims to deploy dedicated short-range communications (DSRC) technologies to mitigate these risks through vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) connectivity. Led by the Wyoming Department of Transportation (WYDOT), the pilot involves the deployment of 75 roadside units (RSUs) and the equipping of 400 vehicles, including at least 150 heavy trucks, with onboard units (OBUs). RSU locations were determined using a statistically driven approach to identify crash hotspots, with units placed upstream of these areas. The OBUs broadcast Basic Safety Messages (BSM) and provide human-machine interfaces for driver alerts. Some equipped vehicles also transmit BSM Part II and collect environmental data via mobile weather sensors. The system integrates with existing transportation management center resources to enhance traffic and incident management, allowing for dynamic variable speed limits and timely situational awareness alerts. The pilot deploys five specific applications: Forward Collision Warning (FCW) to alert drivers of impending rear-end collisions; Infrastructure-to-Vehicle (I2V) Situational Awareness to broadcast downstream road conditions, weather alerts, and incidents; Work Zone Warning to inform drivers of unsafe conditions such as lane closures or obstructions; Spot Weather Impact Warning to provide localized segment-level weather data like fog or ice; and Distress Notification to communicate vehicle emergencies. Testing began with WYDOT fleet vehicles in the fall/winter of 2017–2018, with plans to expand to commercial vehicles in 2018–2019. The significance of this pilot lies in its potential to improve safety, mobility, and productivity by reducing the frequency and severity of weather-related incidents, including secondary crashes. By providing drivers with real-time information on safe travel speeds, detours, and emergency vehicle presence, the system supports informed decision-making. Additionally, the data collected from equipped vehicles enables fleet management centers to optimize travel decisions and encourages compliance with posted speed limits. The program also aims to automatically collect road weather information to provide more timely warnings, ultimately enhancing the efficiency and safety of freight and passenger travel along the corridor.

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• v2x connected vehicle