Dynamic speed feedback signs (DSFS) are promising countermeasure to reduce curve speeds and subsequent lane departures at freeway interchange ramps, although their use in such contexts has been … [Read more...] about Evaluation of Dynamic Speed Feedback Signs on Freeway Interchange Ramps
Travelers
Behavioral Traffic Safety Messaging on Variable Message Signs
Changeable, electronic, or dynamic message signs are used to provide real-time traffic information to drivers while en route to their destination. Many agencies also use these signs to display safety … [Read more...] about Behavioral Traffic Safety Messaging on Variable Message Signs
A Simulation Study of Passing Drivers’ Responses to the Automated Truck-Mounted Attenuator System in Road Maintenance
The Autonomous Truck-Mounted Attenuator (ATMA) system is a lead-follower vehicle system based on autonomous driving and connected vehicle technologies. The lead truck performs maintenance tasks on the … [Read more...] about A Simulation Study of Passing Drivers’ Responses to the Automated Truck-Mounted Attenuator System in Road Maintenance
Intelligent Work Zone Using Automatic Queue Detection Systems
This report documents the the evaluation of the effectiveness of the Advanced Queue Detection (AQD) systems installed on Interstate work zones in Nebraska. Specifically, (1) the system performance was … [Read more...] about Intelligent Work Zone Using Automatic Queue Detection Systems
Quantitatively Evaluate Work Zone Driver Behavior Using 2D Imaging, 3D LiDAR, and Artificial Intelligence in Support of Congestion Mitigation Model Calibration and Validation
This project addressed the following: 1) a lack of a system to process raw traffic footage obtained from work zones to extract traffic and driver behavior information, especially systems that leverage … [Read more...] about Quantitatively Evaluate Work Zone Driver Behavior Using 2D Imaging, 3D LiDAR, and Artificial Intelligence in Support of Congestion Mitigation Model Calibration and Validation
The Visual Behavior and Performance of Young Drivers in Construction Zones and Nighttime Driving
Teens and young drivers are overrepresented in motor vehicle accidents. From the years 1999 to 2019, the leading cause of death for people between the ages of 15 and 24 involved motor vehicle traffic. … [Read more...] about The Visual Behavior and Performance of Young Drivers in Construction Zones and Nighttime Driving