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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

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)

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

A Research Study in China Revealed Drivers’ Acceptance Rate of Advanced Driving Assistance Systems (ADAS) in Commercial Vehicles, with 69.52 Percent for Forward Collision Warning and 38.76 Percent for Lane Departure Warning Systems.

METHODOLOGY In this study, the researchers applied a machine learning algorithm to evaluate the influence factors of commercial drivers’ acceptance. Naturalistic driving ADAS data of 24 commercial…
Content type
Benefit
Date Posted
03/29/2024
Taxonomy (ARC-IT) Commercial Vehicle Operations, Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02)
Geolocation links
Nanjing, China

A Road Safety Study in Texas Revealed That a 10 Percent Increase in Ridesourcing Trips Can Reduce Road Crashes by 0.12 Percent, Injuries by 0.25 Percent, and Driving While Intoxicated Offenses by 0.36 Percent.

METHODOLOGY To investigate the association between ridesourcing travel and road safety, the researchers started by aggregating variables by census tract and month-year units.  The ridesourcing…
Content type
Benefit
Date Posted
03/28/2024
Taxonomy (ARC-IT) Shared Use Mobility and Dynamic Ridesharing (TI06)
Geolocation links
Austin, Texas, United States
ITS Deployment Evaluation

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