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Lab-Test Results Showed that Vision-Based Red Light Violation Warning Application Combined with Assured Green Period Could Reduce Red-Light Running by 93 Percent.

METHODOLOGY The test plan for three applications considered two RSE configurations: one using FHWA's open source V2X Hub middleware, the other relying on built-in RSE features. Two data capture…
Content type
Benefit
Date Posted
04/25/2024
Taxonomy (ARC-IT) Connected Vehicle Traffic Signal System (TM04), Intersection Safety Warning and Collision Avoidance (VS13)

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

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

Vehicle Cost of a Fully Automated Shuttle with a Capacity of 12 to 15 Passengers Was Estimated from $225,000 to $250,000, with Annual Operation Costs Ranging from $15,000 to $100,000.

Fully automated shuttles, with their compact size and predetermined routes, offer an advanced solution for short-distance travel in both urban and rural settings. Understanding their impact and users…
Content type
System Cost
Made Public Date
04/30/2024
Taxonomy (ARC-IT) Public Transportation, Automated Vehicle Operations (VS16)
Geolocation links
Worldwide

The Total Cost of Pavement Marking Maintenance Required To Support Level-4 and Level-5 Connected and Automated Vehicles (CAVs) in Australia Was Estimated To Be $1.55 Billion (USD) From 2020 thru 2070.

Connected and Automated Vehicles (CAVs) have the potential to transform road transport by reducing crashes, enhancing productivity, freeing time for other activities, increasing road capacity as…
Content type
System Cost
Made Public Date
04/25/2024
Taxonomy (ARC-IT) Connected Eco-Driving (ST09)
Geolocation links
Australia

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

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

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
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