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Autonomous Vehicles

rosaP Repository & Open Science Access Portal

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 161 - 180 of 867 results
  • A Diagnostic Machine Learning Model for Air Brake Systems in Commercial Vehicles
    A Diagnostic Machine Learning Model for Air Brake Systems in Commercial Vehicles
    Darbha, Swaroop ;
    Rajagopal, Kumbakonam
    2023-11-01 | PDF
    Safely introducing autonomy to trucks requires monitoring their brake systems continuously. Out-of-adjustment push rods and leakages in the air brake system are two major reasons for increased braking distances in trucks, resulting in safety violations. Air leakages can occur due to small cracks or loose/improperly fit couplings, which do not affec ...
  • Potential Reduction of Fatal Crashes in South Carolina Due to Connected and Automated Vehicles
    Potential Reduction of Fatal Crashes in South Carolina Due to Connected and Automated Vehicles
    Sarasua, Wayne ;
    Michalaka, Dimitra
    2023-11-01 | PDF
    Since 1995, several countries and states have implemented roadway traffic safety projects with the goal of achieving a highway system with no fatal or serious injury crashes. South Carolina’s Target Zero plan is multifaceted in that it identifies several preventative measures to reduce fatalities. A common thread of these programs is that they are ...
  • Analysis and Simulation of PNT Threats and Risks to HATS
    Analysis and Simulation of PNT Threats and Risks to HATS
    Redmill, Keith A ;
    Ahmed, Qadeer
    2023-10-30 | PDF
    Highly automated vehicles (HAV), whether ground, aerial, or maritime, rely on a steady stream of signals and information from external sources: signals that localize the vehicle and provide information about the road network, other nearby vehicles, larger-scale traffic, and state of the infrastructure and the environment. Currently, many deployed s ...
  • Experimentation Demonstration and Testing of PNT Related Threats Risks and Mitigations to HATS
    Experimentation, Demonstration and Testing of PNT Related Threats, Risks, and Mitigations to HATS
    Toth, Charles ;
    Humphreys, Todd E.
    2023-10-30 | PDF
    The integrity of a PNT system can be monitored at three primary levels. The first one is the GPS/GNSS system level, which includes the signal structure/authentication and signal power/diversity which is beyond the scope from a user perspective. The second, the GPS/GNSS receiver level is of high interest and techniques include antenna design, receiv ...
  • Comprehensive Study on CMV Safety Using ITS in Work Zones on Freeways and Arterials
    Comprehensive Study on CMV Safety Using ITS in Work Zones on Freeways and Arterials
    Jeihani, Mansoureh ;
    Khadem, Nashid
    2023-10-20 | PDF
    Work zones pose significant safety challenges on highways, with Commercial Motor Vehicles (CMVs) being particularly susceptible to higher risk due to their larger size, slower acceleration/deceleration rates, and expanded blind spots. This study aimed to assess the impact of various work zone warning measures on the driving behavior of CMV operator ...
  • Automated Truck Mounted Attenuator: Phase 2 Performance Measurement and Testing [supporting dataset]
    Talledo Vilela, Jean Paul ;
    Mollenhauer, Mike
    2023-10-16 | ZIP
    Truck-Mounted Attenuators (TMAs) are energy-absorbing devices added to heavy shadow vehicles to provide a mobile barrier that protects work crews from errant vehicles entering active work zones. In mobile and short duration operations, drivers manually operate the TMA, keeping pace with the work zone as needed to function as a mobile barrier protec ...
    Dataset
  • Modeling Naturalistic Driving Environment with HighResolution Trajectory Data
    Modeling Naturalistic Driving Environment with High-Resolution Trajectory Data
    Feng, Shuo ;
    Yan, Xintao
    2023-10-01 | PDF
    For simulation to be an effective tool for the development and testing of autonomous vehicles, the simulator must be able to produce realistic safety-critical scenarios with distribution-level accuracy. However, due to the high dimensionality of real-world driving environments and the rarity of long-tail safety-critical events, how to achieve stati ...
  • CAV Systems Incorporating Air Pollution Information from Traffic Congestion
    CAV Systems Incorporating Air Pollution Information from Traffic Congestion
    Nedunuri, Krishna Kumar ;
    Kandiah, Ramanitharan
    2023-10-01 | PDF
    The economic impact of air pollution due to motor vehicles by 2030 will be 100 billion dollars, and the public health impacts from traffic pollution will grow to 17 billion dollars. The transportation industry also faces the challenge of monitoring and controlling greenhouse gases (GHGs). CSU studied criteria air pollutants (CAPs)under different tr ...
  • Systematic and Provably Safe Design Methodology for Connected and Automated Vehicles
    Systematic and Provably Safe Design Methodology for Connected and Automated Vehicles
    Ioannou, Petros ;
    Waqas, Muhammad
    2023-10-01 | PDF
    Today’s sensor technologies are not at the level of emulating human eyes with 100% accuracy. Recent accidents with autonomous vehicles where sensors failed to correctly identify the threat suggests that sensor possible inaccuracies or inability to identify upcoming obstacles due to environmental conditions, road geometry, unpredictable vehicle mane ...
  • Connected Autonomous Shuttle Supporting Innovation CASSI in Carys Bond Park
    Connected Autonomous Shuttle Supporting Innovation (CASSI) in Cary’s Bond Park
    Searcy, Sarah ;
    Curran, Shelley
    2023-10-01 | PDF
    The North Carolina Department of Transportation (NCDOT) partnered with Cary, NC (Cary) and Beep, Inc. (Beep) to bring a novel-design, all-electric, low-speed automated shuttle to Fred G. Bond Metro Park (Bond Park) in Cary for a 13-week pilot through the Connected Autonomous Shuttle Supporting Innovation (CASSI) program. Beep operated a Navya Auton ...
  • Promoting Inclusive Design and Deployment of Connected and Automated Vehicles for Older Adults Through Education and Training of Engineering Students and Older Drivers [supporting dataset]
    Molnar, Lisa J ;
    Zhou, Feng
    2023-09-27 | ZIP
    The development of connected and automated vehicles (CAVs) holds promise for reducing traffic crashes and maintaining mobility among older adults. Challenges remain, however, in ensuring that CAVs are accessible, acceptable, affordable, and otherwise inclusive for older adults. The objective of this project was to increase graduate students’ awaren ...
    Dataset
  • xBOT A Versatile Robot to Assist Testing of AutonomousConnected Vehicles
    xBOT – A Versatile Robot to Assist Testing of Autonomous-Connected Vehicles
    Lakshmanan, Sridhar ;
    Xiang, Weidong
    2023-09-15 | PDF
    This project aims to develop a robot (xBOT) that is customized for testing autonomous-connected vehicles. xBOT itself would be an automated-connected robot that behaves, and be perceived, as a free-moving Pedestrian, Scooter, Bicycle, Motorbike, or full-sized Vehicle. The project’s original intention was to build xBOT by modifying the Segway Ninebo ...
  • A Diagnostic Machine Learning Model for Air Brake Systems in Commercial Vehicles [supporting dataset]
    Darbha, Swaroop ;
    Rajagopal, Kumbakonam
    2023-09-12 | ZIP
    Safely introducing autonomy to trucks requires monitoring their brake systems continuously. Out-of-adjustment push rods and leakages in the air brake system are two major reasons for increased braking distances in trucks, resulting in safety violations. Air leakages can occur due to small cracks or loose/improperly fit couplings, which do not affec ...
    Dataset
  • Countermeasures To Detect and Combat Inattention While Driving Partially Automated Systems [supporting dataset]
    Paras, Carolina Rodriguez ;
    Ferris, Thomas K.
    2023-09-05 | ZIP
    Vehicle manufacturers are introducing increasingly sophisticated vehicle automation systems to improve driving efficiency, comfort, and safety. Despite these improvements, partially and fully automated vehicles introduce new safety risks to the driving environment. Driver inattention can contribute to increased risk, especially when control transfe ...
    Dataset
  • Changes in Highway Expenditures and Revenues in an Era of CAVs Part A Road Agencies
    Changes in Highway Expenditures and Revenues in an Era of CAVs – Part A: Road Agencies
    Mwamba, Isaiah C ;
    Alabi, Bortiorkor N.T
    2023-09-01 | PDF
    The emerging transportation technologies – vehicle connectivity, electrification, and automation – are expected to impact highway expenditures, revenue, and user equity. With regard to the expenditures, the provision of new infrastructure and modification of existing infrastructure will incur significant capital spending. With regard to revenue, th ...
  • A Multidimensional Analysis of Willingness to Share Rides in a Future of Autonomous Vehicles
    A Multidimensional Analysis of Willingness to Share Rides in a Future of Autonomous Vehicles
    Batur, Irfan ;
    Pendyala, Ram M.
    2023-09-01 | PDF
    A sustainable transportation future is one in which people eschew personal car ownership in favor of using automated vehicle (AV) based ridehailing services in a shared mode. However, the traveling public has historically shown a disinclination towards sharing rides and carpooling with strangers. In a future of AV-based ridehailing services, it wil ...
  • A DataDriven Autonomous Driving System for Overtaking Bicyclists
    A Data-Driven Autonomous Driving System for Overtaking Bicyclists
    Lin, Brian T W ;
    Bao, Shan
    2023-09-01 | PDF
    This research aims to develop data-driven models for suggesting the initiation of an automated car-to-bicycle overtaking process that will be assessed subjectively by human drivers and bicyclists in a driving simulator environment. A naturalistic driving dataset with 102 vehicles involved served as the data source for model development. The models ...
  • Development of Situational Awareness Enhancing System for Manual Takeover of AV
    Development of Situational Awareness Enhancing System for Manual Takeover of AV
    Li, Yujie ;
    Sharma, Aishwarya
    2023-09-01 | PDF
    Partial- and conditional-automated driving systems (ADS) can not only assist drivers with their driving tasks but also significantly reduce the driving-related burden. Yet still, when the AVS is engaged, the human driver still plays a critical role such as monitoring the driving environment and performing certain driving tasks when called upon by t ...
  • RideSharing With Advanced Air Mobility
    Ride-Sharing With Advanced Air Mobility
    Yang, Shuting ;
    Zhou, Jiazhen
    2023-09-01 | PDF
    The application of on-demand ridesharing services can improve the efficiency and usage of a metropolitan transportation system. Implementing air taxis service can reduce the number of required aerial vehicles, mitigate air pollution, increase the revenue of the transportation network companies, and boost local economics. In this report, we propose ...
  • Prioritizing People Mixed Equilibrium Assignment for AV Based on Occupancy Phase II
    Prioritizing People - Mixed Equilibrium Assignment for AV Based on Occupancy (Phase II)
    Mantri, Sruthi ;
    Lownes, Nicholas
    2023-09-01 | PDF
    The transition of the vehicle fleet to incorporate AV will be a long and complex process. AVs will gradually form a larger and larger share of the fleet mix, offering opportunities and challenges for improved efficiency and safety. At any given point during this transition a portion of the AV fleet will be consuming roadway capacity while unoccupie ...
161 - 180 / 867