1–20 von 446 Ergebnissen
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    Weather and surface condition detection based on road-side webcams: Application of pre-trained Convolutional Neural Network

    Freier Zugriff
    Md Nasim Khan / Mohamed M. Ahmed | DOAJ | 2022
    Adverse weather has long been recognized as one of the major causes of motor vehicle crashes due to its negative impact on visibility and ...

    Waste Foundry Sand Reused as Clay Replacement for Tile Manufacture

    Freier Zugriff
    Huan-Lin Luo / Deng-Fong Lin / Mei-Ling Chung et al. | DOAJ | 2014
    In an effort to extend the reutilization of waste foundry sand (WFS), we evaluated the use of WFS as a replacement for clay in tile ...

    Virginia Tech Comprehensive Power-based Fuel Consumption Model (VT-CPFM): Model Validation and Calibration Considerations

    Freier Zugriff
    Sangjun Park / Hesham Rakha / Kyoungho Ahn et al. | DOAJ | 2013
    calibrated using the EPA city and highway fuel economy ratings generally provide reliable fuel consumption estimates with a coefficient of ...

    Vehicle stacking estimation at signalized intersections with unmanned aerial systems

    Freier Zugriff
    Brian S. Freeman / Jamal Ahmad Al Matawah / Musaed Al Najjar et al. | DOAJ | 2019
    , we present a novel method that employs an unmanned aerial system (UAS) to capture imagery of stationary vehicle formations at two different ...

    Valuation of man-made incident risk perception in public transport: The case of the Athens metro

    Freier Zugriff
    Christina Milioti / Konstantinos Kepaptsoglou / Alexandros Deloukas et al. | DOAJ | 2022
    This paper models and investigates risk and security perception of metro travelers, in cases of malevolent, man-made incidents. Data is ...

    Utilization of Ripe Coconut Fiber in Stone Matrix Asphalt Mixes

    Freier Zugriff
    Mahabir Panda / Arpita Suchismita / Jyoti Giri | DOAJ | 2013
    Stone Matrix Asphalt (SMA) is a gap graded mix; characterized by higher proportion of coarse aggregate, lower proportion of middle size ...

    Using supervised machine learning algorithms in pavement degradation monitoring

    Freier Zugriff
    Amir Shtayat / Sara Moridpour / Berthold Best et al. | DOAJ | 2023
    riding. Regular and routine monitoring provide clear information on road conditions and the level of damage to pavement surfaces. In this study ...

    Using stationary image based data collection method for evaluation of traffic sign condition

    Freier Zugriff
    Majid Khalilikhah / Vahid Balali / Kevin Heaslip | DOAJ | 2016
    Transportation asset management helps monitor the transportation systems and optimize the construction, operation, and maintenance of ...

    Using e-bikes and private cars in dynamic road pavement monitoring

    Freier Zugriff
    Amir Shtayat / Sara Moridpour / Berthold Best | DOAJ | 2022
    The high cost and time involved with traditional road pavement monitoring approaches as well as the high costs of pavement monitoring ...

    Use of Mahua oil for rejuvenation of the aged binder through laboratory investigations

    Freier Zugriff
    Sujit Kumar Pradhan / Umesh Chandra Sahoo | DOAJ | 2022
    Construction industries worldwide have understood that recycling of road construction materials is vital for the sustainable development of ...

    Use of emulsion for warm mix asphalt

    Freier Zugriff
    Mahabir Panda / Madan Mohan Padhi / Jyoti Prakash Giri | DOAJ | 2017
    paving technology, which allows production and placement of bituminous mixes at lower temperatures than that used for hot mix asphalt (HMA). The ...

    Use of different exposure metrics for understanding multi-modal travel injury risk

    Freier Zugriff
    S. Ilgin Guler / Offer Grembek | DOAJ | 2016
    The objective of this work is to identify characteristics of different metrics of exposure for quantifying multi-modal travel injury risk ...

    Urban road congestion patterns under the COVID-19 pandemic: A case study in Shanghai

    Freier Zugriff
    Jian Li / Pengfei Xu / Weifeng Li | DOAJ | 2021
    ” orders during the outbreak of COVID-19, and many commuters have also changed their travel modes in the post pandemic period; e.g., transit/bus ...

    Unveiling the influential factors for customized bus service reopening from naturalistic observations in Shanghai

    Freier Zugriff
    Yu Shen / Chenlong Xu / Shengchuan Jiang et al. | DOAJ | 2024
    operation status of CB lines (i.e. reopening and closure) from one of the largest CB operators in Shanghai, China, with a 22-month consecutive ...

    Unmanned Aircraft System traffic management: Concept of operation and system architecture

    Freier Zugriff
    Tao Jiang / Jared Geller / Daiheng Ni et al. | DOAJ | 2016
    safe and efficient operations of sUAS will be an unmanned aircraft system traffic management (UTM) system. Such a UTM system will borrow ...

    Unmanned Aerial Aircraft Systems for transportation engineering: Current practice and future challenges

    Freier Zugriff
    Emmanouil N. Barmpounakis / Eleni I. Vlahogianni / John C. Golias | DOAJ | 2016
    Acquiring and processing video streams from static cameras has been proposed as one of the most efficient tools for visualizing and ...

    Unlimited-ride bike-share pass pricing revenue management for casual riders using only public data

    Freier Zugriff
    Gyugeun Yoon / Joseph Y.J. Chow | DOAJ | 2020
    Despite the proliferation of publicly available Big Data in Mobility-as-a-Service systems, few studies in the urban mobility service ...

    Understanding the effects of structural factors and traffic loading on flexible pavement performance

    Freier Zugriff
    Sushmita Bhandari / Xiaohua Luo / Feng Wang | DOAJ | 2023
    loading plays a significant role in the consumption of pavement life. heavy vehicle loads, in addition to the insufficient structural capacity of ...

    Understanding social media program usage in public transit agencies

    Freier Zugriff
    Jenny H. Liu / Wei Shi / O.A. (Sam) Elrahman et al. | DOAJ | 2016
    to better understand recent trends in social media usage in public transit agencies, to examine which agencies use what kind of social media ...

    Understanding roundabout safety through the application of advanced econometric techniques

    Freier Zugriff
    Hamsa Abbas Zubaidi / Jason C. Anderson / Salvador Hernandez | DOAJ | 2020
    that may influence less severe crashes to those of more severe crashes given various roundabout configurations and crash types. Using Oregon’s ...