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Terminal Reservation System Deployed at the Port of Virginia Reduced Carbon Monoxide (CO) Emissions per 1000 Truck Visit by 26 Percent.

METHODOLOGY In this study, data was collected from the POV Health and Safety and Operations teams through quarterly surveillance audits of terminal activities. Two types of turn times were measured:…
Content type
Benefit
Date Posted
04/30/2024
Taxonomy (ARC-IT) Freight Drayage Optimization (CVO11), Intelligent Access Program (CVO17)
Geolocation links
Norfolk, Virginia, United States

Perform Unmanned Aerial Vehicle (UAV)-Aided Bridge Inspections in Spring or Summer to Avoid Thin Branches that Could Reduce the UAV's Obstacle Avoidance Capabilities.

Optimize UAV-aided bridge Inspections by timing them in Spring or Summer to avoid thin branches that could reduce the UAV's vision-based obstacle avoidance capabilities. More leaves and denser…
Content type
Lesson
Date Posted
04/25/2024
Taxonomy (ARC-IT) Infrastructure Monitoring (MC09)
Geolocation links
Douglasville, Georgia   |   Calhoun, Georgia

Communication System Upgrade for Cleveland Regional Transit Authority Increased Data Transmission Frequency by 75 Percent, Leading to More Reliable Real-time Data.

METHODOLOGY The communications system upgrades outlined in this study included radio replacement within the transit vehicles, on-board computer equipment installation, and the utilization of Multi-…
Content type
Benefit
Date Posted
04/25/2024
Taxonomy (ARC-IT) Transit Vehicle Tracking (PT01), Transit Fixed-Route Operations (PT02), ITS Communications (SU07)
Geolocation links
Cleveland, Ohio, United States

Utilize In-house Personnel over Outside Consultants to Manage and Oversee the Implementation of New Transit Communication Systems.

Dedicate internal team members to technological deployments. RTA’s recommendation from this project was to manage projects internally when implementing new systems, which allowed the team…
Content type
Lesson
Date Posted
04/25/2024
Taxonomy (ARC-IT) Transit Vehicle Tracking (PT01), Transit Fixed-Route Operations (PT02), ITS Communications (SU07)
Geolocation links
Cleveland, Ohio, United States

Dynamic Speed Feedback Signs (DSFS) Can Lower Ramp Curve Entry Speeds by 4.5 mi/h Reducing Risk of Lane Departures When Installed 250 ft to 400 ft Upstream of Freeway Interchange Exit Ramps.

METHODOLOGY This study examined three commercially available DSFS signs at six different freeway interchange ramps in Michigan. The evaluation tested several aspects of the DSFS, including physical…
Content type
Benefit
Date Posted
04/24/2024
Taxonomy (ARC-IT) Speed Warning and Enforcement (TM17)
Geolocation links
Saugatuck

Driving Simulator Study Found ITS and CAV-Enabled Commercial Motor Vehicles Improved Safe Distance to Roadside by 22 Percent Compared to Driver Response to Static Roadside Message Signs at Work Zones.

METHODOLOGY This study designed three simulated work zones to mimic real-life conditions on or near I-95 in Maryland: one with an arterial lane closure, one with a freeway lane closure, and one with…
Content type
Benefit
Date Posted
04/23/2024
Taxonomy (ARC-IT) Work Zone Management (MC06)
Geolocation links
Maryland, United States

A Variable Speed Limit (VSL) System Using an AI-Based Algorithm on I-24 in Nashville Reduced Traffic Speed Variations by 32.7 Percent to Improve Safety with Limited Impacts on Vehicle Hours of Delay (VHD).

METHODOLOGY Researchers obtained data from commonly available Radar Detection Systems (RDS) on highways to shape the state input of each VSL controller unit. Regarding the action space of the agents…
Content type
Benefit
Date Posted
04/23/2024
Taxonomy (ARC-IT) Variable Speed Limits (TM20)
Geolocation links
Nashville, Tennessee, United States

Automated Roadway Lighting Diagnosis Tool Provides Decision Support in Roadway Lighting Management in Florida, Helping to Decrease Nighttime Crash Frequency by 17 Percent.

METHODOLOGY The study used the matched case-control method (each case is paired with a control based on matching characteristics) to investigate the impacts of lighting patterns on nighttime…
Content type
Benefit
Date Posted
03/31/2024
Taxonomy (ARC-IT) Field Equipment Maintenance (SU11)
Geolocation links
Tampa, Florida, United States
ITS Deployment Evaluation

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its.dot.gov

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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