Displaying 1 - 10 of 64

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Consider Using a Web-Based Mapping Tool to Improve Stakeholders’ Real-Time and Forecasted Flood Inundation Depths Along Roads, Bridges, and Other Transportation Assets.

The tool uses a mapping feature combined with a dashboard for each gage on the map. The following lessons learned can be applied from NCDOT’s experience with the tool: In addition to using real time…
Content type
Date Posted
09/29/2023

Risk Analysis Using Crash and Near-Crash Data Finds a 26 Percent Reduction in Likelihood of a Crash Involving Severe Injuries in a Connected Vehicle Versus a Vehicle with More Traditional Line of Sight System.

METHODOLOGY The study utilized the SHRP2 NDS database that consisted of over 5.5 million trips driven by 3,542 drivers across six sites in the U.S. First, relevant events from the database were…
Content type
Date Posted
04/24/2023

CAV Platooning Modeled on a Fixed Signal-Controlled Superstreet Showed a Decrease in Traffic Delay by Up to 15.1 Percent.

METHODOLOGY The study used specific models for car following, platooning, trajectory planning, and adaptive signal control. Intelligent Driver Model (IDM) and Wiedemann 99 (W99) models were chosen to…
Content type
Date Posted
02/27/2023

Simulation of Actuated Control Transit Signal Priority Based on Connected Vehicle Technology Shows a Decrease in Intersection Bus Delay of More than 60 Percent.

Methodology Simulation of the selected intersection was used to compare the traffic performance of proposed control strategies under conditions with different CV penetration rates, traffic demand,…
Content type
Date Posted
01/11/2023
Taxonomy (ARC-IT) Transit Signal Priority (PT09)