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Perform Frequent Infrastructure Maintenance Including Road Markings, Traffic Signals, and Road Clearing of Obstacles to Improve Automated Driving System Capability on the Roadways.

Perform frequent infrastructure maintenance to avoid deteriorated or low-contrast lane markings, cracks on the road, poorly placed signage, and poor traffic light illumination. Survey respondents…
Content type
Date Posted
05/31/2022

Utilize a Virtual Network Differential Global Navigation Satellite System to Achieve a Meter-Level Accuracy of 86.1 Percent for Lane Matching Applications.

Employ a VN-DGNSS approach instead of an SPP approach for lane matching CAV applications. A VN-DGNSS approach achieved an accuracy of 99.2  percent when compared to the SAE standard of 1.5…
Content type
Date Posted
02/24/2022

Improve Senior Drivers' Acceptance of Advanced Driver Assistance Systems with Alerts That Mitigate the Difficulty with Turning Their Heads to Check for Blind Spots.

Equip vehicles with BSA and ACC technology for wider acceptance of ADAS among senior drivers. The study results indicated that safety is seniors’ main ADAS-related consideration. Among the…
Content type
Date Posted
01/27/2022

Field Testing of Eco-Driving in Virginia Reveals More Than 20 Percent of Fuel Consumption Savings on Certain Rolling-Terrains.

METHODOLOGY The experiment was conducted on seven rolling roadway segments in Virginia and Maryland, with a total experimental mileage of around 47 miles. The types of terrain varied from mildly…
Content type
Date Posted
12/17/2021

Simulation Analysis Estimates Fuel Savings of Up to 12.3 Percent Using Long-Horizon Predictive Cruise Control in Truck Platooning.

Methodology For a single truck configuration, researchers used a simulation model consisting of one vehicle model, a speed tracker, a speed profile, and road-grade data for the selected route. In a…
Content type
Date Posted
10/29/2021

Signage such as “Keep Lane Assist On” is Recommended for All Levels of Vehicle Automation, Especially for Lower Levels of Automation.

Use highly reflective, clearly visible, and distinct lane markings and signage for proper AV sensor operation. Improve striping on gore and ramp areas to enhance machine vision systems’ performance…
Content type
Date Posted
10/27/2021

Investing in Radar Sensors for Fully Automated Vehicles is Estimated to Yield a Benefit-Cost Ratio of 2.96 (Assuming a Market Penetration of 10 Percent by 2030).

Methodology This study considered three performance measures from the 22 risk mitigation strategies: 1) number of traffic deaths, 2) level of congestion, and 3) environmental emissions. The…
Content type
Date Posted
08/25/2021

Study Based on Industry Stakeholder Interviews Recommends Tightening Uniformity of Traffic Control Devices to Meet the Needs of Automated Vehicles.

This project identified the following research needs and suggestions from stakeholder interviews concerning uncertainties regarding AV deployment and the potential mix with human-driven…
Content type
Date Posted
07/27/2021