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Improve Communication Standards for Vulnerable Road Users to Properly Connect Them to the Connected Vehicle Communications Infrastructure.

  This study included lessons for data dictionary /taxonomy and harmonization, use case and data exchange specifications, reference architectures and service packages, specifications for PROW…
Content type
Lesson
Date Posted
02/29/2024
Taxonomy (ARC-IT) Vulnerable Road User Device Transition Support (SU15), Personal Wayfinding (TI08)
Geolocation links
Nationwide, United States

A Study Evaluating Audio- and Image-Based In-Vehicle Warning Messages in Work Zones Found a 16.4 Percent Reduction in CO2 Emissions Using Mixed Messages Compared to a No Message Scenario.

METHODOLOGY This study tested three scenarios: (i) work zone with no audio or image warning system (NO MESSAGE), (ii) work zone with a voice warning system (VOICE MESSAGES), and (iii) work zone with…
Content type
Benefit
Date Posted
02/29/2024
Taxonomy (ARC-IT) Work Zone Management (MC06), Autonomous Vehicle Safety Systems (VS01)
Geolocation links
Nationwide, United States

Mathematical Model Revealed that Automated Vehicles Can Achieve 40-50 Percent Gains in Spatial Efficiency for Off-Street Parking Facilities.

METHODOLOGY The study formulated a methodology based on certain premises to optimize parking capacity in single-story, obstruction-free parking lots with square or rectangular layouts. It assumed AVs…
Content type
Benefit
Date Posted
02/29/2024
Taxonomy (ARC-IT) Parking Space Management (PM01), Automated Vehicle Operations (VS16)
Geolocation links
Nationwide, China   |   Nationwide, United States

Japanese Study Revealed that Automated Buses and Taxis Can Reduce Travel Costs Up to 11 Percent in Bus Trips and 61 Percent in Taxi Trips, Respectively.

METHODOLOGY In this study, taxi operating costs were computed following the methodology from another research study from 2018, where the operating costs of taxis both with and without ride sharing…
Content type
Benefit
Date Posted
02/29/2024
Taxonomy (ARC-IT) Multi-modal Coordination (PT14), Automated Vehicle Operations (VS16)
Geolocation links
Nationwide, Japan

Consider Data Collection Capability When Selecting Performance Measures for Mobile Device-Based Systems.

Identify local stakeholder and transportation infrastructure needs. This could be best achieved by outreach efforts with stakeholder engagement and technical working group meetings to ensure…
Content type
Lesson
Date Posted
01/31/2024
Taxonomy (ARC-IT) Connected Vehicle System Monitoring and Management (SU01), ITS Communications (SU07), Security and Credentials Management (SU08), Vulnerable Road User Device Transition Support (SU15), Traffic Information Dissemination (TM06), Personal Wayfinding (TI08), Vulnerable Road User Safety (VS12)
Geolocation links
Nationwide, United States

Mathematical Model Showed Unmanned Aerial Vehicles Can Reduce Costs by 48.3 Percent and CO2 Emissions by 19.7 Percent in Parcel Deliveries, Especially Under Congested Traffic.

METHODOLOGY The study used a computer programming software tool to carry out an experiment and test the UAV routing model and GA with two restrictions: 1) deliveries are assumed to be completed…
Content type
Benefit
Date Posted
01/29/2024
Taxonomy (ARC-IT) Carrier Operations and Fleet Management (CVO01), Freight-Specific Dynamic Travel Planning (CVO09)
Geolocation links
Nationwide, United States

Virtual Gate Technology Used To Conduct Port Terminal Transactions at Off-Site Truck Staging Areas Can Improve Truck Loading and Waiting Times and Reduce Drayage Area Turn Times by 20 Percent Contributing To Benefit-To-Cost Ratios As High as 14.55.

METHODOLOGY The four solutions chosen for detailed feasibility analyses were: (i) off-site parking and staging, (ii) off-site parking and staging combined with a “virtual gate” where some terminal…
Content type
Benefit
Date Posted
01/26/2024
Taxonomy (ARC-IT) Commercial Vehicle Parking (CVO05), Smart Roadside and Virtual WIM (CVO08)
Geolocation links
Nationwide, United States

The Estimated Annual Cost to Operate a Port in a Major Urban Area with Level 4 Automated Trucks in Queue Ranges from $75.1million to $123.4 million.

As freight imports to the US continue to increase, several US agencies are seeking ways to improve the efficiency of drayage trucking at ports by evaluating the impacts of Intelligent Transportation…
Content type
System Cost
Made Public Date
01/26/2024
Taxonomy (ARC-IT) Commercial Vehicle Parking (CVO05), Smart Roadside and Virtual WIM (CVO08), Freight Drayage Optimization (CVO11)
Geolocation links
Nationwide, United States

Driving Simulation Study on V2I Technologies Found Audio Warnings Effective in Reducing Driver Speed by Approximately 11.4 Percent.

METHODOLOGY In this study, four specific scenarios were tested in driver simulation: (i) BASE: Heavy rain without warning, (ii) AUDIO: Heavy rain with in-vehicle audio warning, (iii) SCREEN: Heavy…
Content type
Benefit
Date Posted
12/27/2023
Taxonomy (ARC-IT) Dynamic Roadway Warning (TM12), Autonomous Vehicle Safety Systems (VS01)
Geolocation links
Louisiana, United States   |   Nationwide, United States
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

1200 New Jersey Avenue, SE
Washington, DC 20590

its.dot.gov

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Commercial Vehicle Operations

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