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Autonomous Vehicles

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By leveraging advanced technologies, Autonomous Vehicles (AVs) hold the potential to increase transportation safety and efficiency. This collection showcases USDOT-funded research and data concerning AVs. Bookmark this collection: https://rosap.ntl.bts.gov/collection_avs OR https://doi.org/10.21949/1x81-qs91.

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Showing 241 - 260 of 852 results
  • System Dynamics Models of Automated Vehicle Impacts
    System Dynamics Models of Automated Vehicle Impacts
    Smith, Scott ;
    Rakoff, Hannah
    2023-01-31 | PDF
    The many potentially transformative changes to the transportation system, such as automated vehicles, electric vehicle adoption, increased telework, and new travel modes, are creating increasing uncertainties for the future. These uncertainties call for fast, flexible models. System dynamics (SD) is emerging as a research modeling focus area for ch ...
  • Guidelines for Evaluating Safety Using Traffic Encounters Proactive Crash Estimation on Roadways with Conventional and Autonomous Vehicle Scenarios
    Guidelines for Evaluating Safety Using Traffic Encounters: Proactive Crash Estimation on Roadways with Conventional and Autonomous Vehicle Scenarios
    Tarko, Andrew P. ;
    Romero, Mario A.
    2023-01-01 | PDF
    With the expected arrival of autonomous vehicles, and the ever-increasing levels of automation in today’s human driven vehicles, road safety is changing at a rapid pace. This project aimed to address the need for an efficient and rapid method of safety evaluation and countermeasure identification via traffic encounters, specifically traffic conflic ...
  • Defining Operational Design Domains for the Safe Blending of CAVs in the Traffic Stream Project 07033 Video
    Defining Operational Design Domains for the Safe Blending of CAVs in the Traffic Stream: Project 0-7033 [Video]
    Martin, David ;
    West, Kelly D
    2023-01-01 | MPEG
    "The Center for Transportation Research at the University of Texas-Austin recently completed a project that compared automated vehicle performance and human driving behavior in several virtual highway and urban environment scenarios. The research team then analyzed the safety, mobility, and human-factors results to draw conclusions and formulate te ...
    Supporting Files
  • Examining Data Needs and Implementation Process of AVBased Microtransit Service A Case Study in Lake Nona
    Examining Data Needs and Implementation Process of AV-Based Microtransit Service: A Case Study in Lake Nona
    Peng, Zhong-Ren ;
    Liu, Yanghe
    2023-01-01 | PDF
    The development of Autonomous vehicles (AVs) has brought many opportunities but implementing AV-based public transportation services has numerous unforeseen issues. One primary research gap is that existing studies on AV transit systems consist of predictions and speculation without actual cases and data support. Another issue is that a measurement ...
  • Develop Roadway and Parking Design Criteria To Accommodate Automated and Autonomous Vehicles
    Develop Roadway and Parking Design Criteria To Accommodate Automated and Autonomous Vehicles
    Kumar, Amit ;
    Dessouky, Samer
    2023-01-01 | PDF
    This project assesses how Texas roadway and parking infrastructure should evolve as connected and automated vehicles (CAVs) gain market share, using behavioral-diffusion insights to frame adoption scenarios. Researchers combined literature synthesis with expert questionnaires/interviews, analysis of AV disengagement reports, and PTV Vissim microsim ...
  • Lane Management in the Era of CAV Deployment
    Lane Management in the Era of CAV Deployment
    Seilabi, Sania E ;
    Pourgholamali, Mohammadhosein
    2022-12-01 | PDF
    The last century has witnessed increased urban sprawl, motorization, and the attendant problems of congestion, safety, and emissions associated with current-day transportation systems. In contemporary literature, researchers suggest that the emerging transportation technologies, including vehicle autonomy and connectivity, offer great promise in he ...
  • Automated Last Mile Connectivity for Vulnerable Road Users Realworld Low Speed Autonomous Vehicle Deployment
    Automated Last Mile Connectivity for Vulnerable Road Users – Real-world Low Speed Autonomous Vehicle Deployment
    Grove, Kevin ;
    Alden, Andy
    2022-12-01 | PDF
    An EasyMile EZ10 low speed autonomous vehicle (LSAV) was deployed on a route between the Virginia Tech Transportation Institute campus and a nearby bus transit stop to study prospective user attitudes and acceptance regarding trust in technology, system safety, and personal security. The LSAV operated on this route within normal travel lanes and in ...
  • Interest of Shared Mobility and Emerging Vehicle Technologies in Rural America
    Interest of Shared Mobility and Emerging Vehicle Technologies in Rural America
    Godavarthy, Ranjit ;
    Hough, Jill
    2022-12-01 | PDF
    Shared-use mobility services such as ride sourcing, bike sharing, and carsharing have been introduced in a few rural communities and a fair number of small-urban communities. Input about the interest and potential willingness to use these services, and adoption of various emerging vehicle technologies, could help improve understanding and planning ...
  • Adapting Land Use and Infrastructure for Automated Driving
    Adapting Land Use and Infrastructure for Automated Driving
    Wang, Chaojie ;
    Tenenboim, Einat
    2022-12-01 | PDF
    Intersections in the urban network are potential sources of traffic flow inefficiency. Existing intersection control mostly adopts the “cross” flow pattern model, while the use of the roundabout circular flow pattern is rather sparse. Connected and autonomous vehicle (CAV) technologies can enable roundabouts to better compete with traditional inter ...
  • Using Driving Simulator Environment to Determine Interactions Between User Behavior and Infrastructure Design Under Autonomous Vehicles
    Using Driving Simulator Environment to Determine Interactions Between User Behavior and Infrastructure Design Under Autonomous Vehicles
    Anne, Viswa Sri Rupa ;
    Tenenboim, Einat
    2022-12-01 | PDF
    Autonomous vehicles have a huge potential to improve transportation systems by increasing roadway capacity, safety, accessibility and reducing pollution, congestion. This emerging technology promises safer, efficient roadways and can help reduce pollution. For the various levels of autonomy to be deployed into the real world safely and efficiently, ...
  • Preferred Following Distance as a Function of SpeedFunctionSpecific Automation Level 1 Applications
    Preferred Following Distance as a Function of Speed—Function-Specific Automation (Level 1) Applications
    Weaver, Starla ;
    Chao, Szu-Fu
    2022-12-01 | PDF
    The gap distances used on adaptive cruise control (ACC) and cooperative adaptive cruise control (CACC) systems have important implications for both driver safety and transportation operations The current study sought to identify comfortable or preferred following gaps under a variety of speeds that could be used to help guide set speeds for ACC and ...
  • Potential Applications to Expand the Texas Connected Freight Corridors System
    Potential Applications to Expand the Texas Connected Freight Corridors System
    Wood, Nick ;
    Anderson, Paul R.
    2022-12-01 | PDF
    The Texas Connected Freight Corridors (TCFC) system is a connected vehicle (CV) environment that seeks to improve safety and mobility for the Texas Triangle, which consists of the Austin, Dallas/Fort Worth, Houston, San Antonio, and Laredo metropolitan regions. The TCFC project is a baseline effort to develop and deliver six initial applications fo ...
  • A Multiscale Simulation Platform for Connected and Automated Transportation Systems
    A Multiscale Simulation Platform for Connected and Automated Transportation Systems
    Ban, Jeff ;
    Angah, Ohay
    2022-12-01 | PDF
    Traffic simulation is an important tool that can assist researchers, analysts, and policymakers in testing vehicle/traffic control algorithms, gaining insights into micro/macro traffic dynamics, and designing traffic management strategies. However, different implementations require different simulation scales, and no multiscale simulation platform ...
  • Enabling the Shared Transportation Revolution
    Enabling the Shared Transportation Revolution
    Watkins, Kari ;
    Hunter, Michael P.
    2022-11-23 | PDF
    To predict if the “social distancing” nature and resulting shifts in behavior from the pandemic continued to persist after the pandemic ended, this work examined preferences and behaviors towards shared mobility during different stages of the pandemic. Although levels of comfort using shared modes improved since the summer of 2021, participants sti ...
  • Evaluation Tools for LowSpeed Automated Vehicle LSAV Transit Readiness of the Area
    Evaluation Tools for Low-Speed Automated Vehicle (LSAV) Transit Readiness of the Area
    Hong, Yubin ;
    Klauer, Sheila G
    2022-11-22 | PDF
    Automated shuttles are small, low-speed (generally less than 25 mph) vehicles that do not require a human operator, though to date all have included an onboard human attendant. This project aims to assess the limitations that the EasyMile EZ10 Gen 3 low-speed automated vehicle (LSAV) encountered while operating on public roadways. The primary inter ...
  • Barriers and Facilitators of People With Disabilities in Accepting and Adopting Autonomous Shared Mobility Services
    Barriers and Facilitators of People With Disabilities in Accepting and Adopting Autonomous Shared Mobility Services
    Classen, Sherrilene ;
    Sisiopiku, Virginia
    2022-11-17 | PDF
    Deployment of autonomous vehicles (AVs) may hold health and safety benefits for drivers with and without disabilities across the adult lifespan. While transportation is critical in helping people with disabilities (PWDs) access health care, services, jobs, goods, community involvement, and societal participation, the current transportation system h ...
  • Enhancing AV Traffic Safety through Pedestrian Detection Classification and Communication
    Enhancing AV Traffic Safety through Pedestrian Detection, Classification and Communication
    Chase, R. Thomas ;
    Feng, Jingyu
    2022-11-01 | PDF
    Safety for all road users is a key concern as Connected and Autonomous Vehicle technologies develop and reach the testing phase. One key concern is the change to two-way communication that often occurs in traditional pedestrian-vehicle interaction. This project focused on three key aspects to this issue. First, a prototype autonomous shuttle system ...
  • Truck Platooning Early Deployment Assessment Phase 2 Comprehensive Deployment Plan
    Truck Platooning Early Deployment Assessment: Phase 2 Comprehensive Deployment Plan
    Lu, Xiao-Yun ;
    Shladover, Steven
    2022-11-01 | PDF
    This report documents the Comprehensive Deployment Plan of the Truck Platooning Early Deployment Assessment Phase 2 project. It includes important aspects of the Field Operational Test (FOT): (a) technical approach for Cooperative Adaptive Cruise Control (CACC) including system functionality and some initial relevant functional safety consideration ...
  • Wearables to Command More Access and Inclusion in a Smarter Transportation System
    Wearables to Command More Access and Inclusion in a Smarter Transportation System
    Rizzo, John Ross ;
    Feng, Chen
    2022-11-01 | PDF
    Visual place recognition (VPR), technology often associated with navigation of autonomous vehicles, can be critical to meeting every day urban navigation needs of people with vision disabilities. This research addresses two major obstacles to implementing VPR at scale: 1) the need for side-view place recognition, crucial for identification of sidew ...
  • Literature Review of PNT and GNSS Threats and Vulnerabilities to HATS
    Literature Review of PNT and GNSS Threats and Vulnerabilities to HATS
    Ahmed, Qadeer
    ORCID ICON IMG
    2022-10-20 | PDF
    We conducted a thorough literature survey on topics relevant to assured PNT for automated vehicles. The presented literature gathers and systematizes existing knowledge related to the system components of PNT and HAV systems. In particular, it treats opportunities, threats, and vulnerabilities related to (1) inertially-coupled GNSS receivers, (2) n ...
241 - 260 / 852