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Wyoming DOT's Connected Vehicle Pilot Deployment Study Estimated a Savings of 46.5 Gallons of Diesel in Idling for Trucks Per Road Closure.

METHODOLOGY In this study, the input-output analysis took into account capacity and demand to estimate the total amount of delay associated with closing sections of I-80. The researchers used Average…
Content type
Date Posted
06/30/2023

Enhance Understanding of Advanced Driver Assistance Systems Usage and Activation in Different Scenarios by Incorporating Additional Data Sources, such as Vehicle-Based Telematics.

Enhance understanding of ADAS usage and activation in different scenarios by incorporating additional data sources, such as vehicle-based telematics. This study utilized crash and vehicle…
Content type
Date Posted
05/26/2023

Large-Scale Analysis Using Data from 13 States Found Vehicles Equipped with Forward Collision Warning and Automatic Emergency Braking had 49 Percent Less Front-to-Rear Crashes.

METHODOLOGY In this study, vehicle data were provided by a total of eight participating industry partners, specifically leading automobile manufacturing companies, which accounted for more than 65…
Content type
Date Posted
05/26/2023

The Wyoming CV Pilot Found that Over 50 Percent of Drivers Given a Work Zone or Winter Weather Alert Reduced their Speed.

METHODOLOGY The study utilized a “Before-After” approach to quantitatively compare corridor data under baseline conditions (collected from December 2016 - November 2017) with data collected during…
Content type
Date Posted
04/03/2023

Model Estimates That Level 1 and 2 Automated Vehicles Are Less Likely to Be Involved in Fatal Crashes in Various Scenarios, Yet More Likely to Be Involved in Fatal Crashes with Pedestrians and Bicyclists.

METHODOLOGY A partial proportionality odds model was developed to examine the relationship between crash, road, and vehicle characteristics as the independent variables and the occurrence of a fatal…
Content type
Date Posted
02/28/2023

Manage Deployment Risks Related to Connected Vehicle Technology Maturity by Reducing Exposure to External Uncertainties and Adding Testing at an Earlier Stage.

Broaden the definition and concept of technical maturity to increase stakeholder knowledge and allow for better risk management. The lack of technology maturity resulted in challenges such as…
Content type
Date Posted
12/28/2022

Tampa Connected Vehicle Pilot Reported 79 Percent of the Participants that Experienced the End-of-Ramp Deceleration Warning Application Found it Helpful when Approaching Queues.

METHODOLOGY The stakeholder acceptance evaluation used qualitative interviews, an online survey, and a virtual workshop. The user satisfaction evaluation was conducted via online surveys…
Content type
Date Posted
12/20/2022
Taxonomy (ARC-IT) V2V Basic Safety (VS02)

Modeling Results from NYC Connected Vehicle Pilot Estimate that Preventing Collisions at Selected Crash Locations Saved 144.8 Gallons of Gasoline and 1,287 Kg of Greenhouse Gas Emissions.

METHODOLOGY An existing microscopic simulation model of midtown Manhattan was re-calibrated to 2018 pre-deployment (pre-pandemic) conditions for a typical weekday morning, 6 AM to 9 AM, and afternoon…
Content type
Date Posted
12/20/2022
Taxonomy (ARC-IT) V2V Basic Safety (VS02)

Environmental Impact Evaluation of Connected Vehicle End-of-Ramp Warning in Tampa, Florida Estimated That Annual Carbon Dioxide Emissions Were 240 Kilograms Lower in the Post-Deployment Period.

Methodology The results from a deployed use case, congestion reduction and collision avoidance due to queuing on the exit ramp from the Reversible Express Lanes (REL) during the morning peak, were…
Content type
Date Posted
11/30/2022