1–13 von 13 Ergebnissen
|

    Application of Stochastic Gradient Boosting Technique to Enhance Reliability of Real-Time Risk Assessment

    Use of Automatic Vehicle Identification and Remote Traffic Microwave Sensor Data
    Ahmed, Mohamed M. / Abdel-Aty, Mohamed | Transportation Research Record | 2013

    This study proposes a new and promising machine learning technique to enhance the reliability of real-time risk assessment on freeways

     ...
    Verlag: Transportation Research Record

    Multiple Applications of Multivariate Adaptive Regression Splines Technique to Predict Rear-End Crashes at Unsignalized Intersections

    Haleem, Kirolos / Abdel-Aty, Mohamed / Santos, Joseph | Transportation Research Record | 2010
    to predict motor vehicle crashes: the multivariate adaptive regression splines (MARS) technique. MARS shows promising predictive power and ...
    Verlag: Transportation Research Record

    Applying machine learning approaches to analyze the vulnerable road-users' crashes at statewide traffic analysis zones

    Rahman, Md Sharikur / Abdel-Aty, Mohamed / Hasan, Samiul et al. | Elsevier | 2019
    ., decision tree regression (DTR) models) for both pedestrian and bicycle crash counts. To our knowledge, this is the first application of DTR models ...
    Schlagwörter: Ensemble technique

    Investigating the different characteristics of weekday and weekend crashes

    Yu, Rongjie / Abdel-Aty, Mohamed | Elsevier | 2013
    inference technique; correlation effects of weekday and weekend crash frequencies have been accounted. A multivariate Poisson model and correlated ...
    Verlag: National Safety Council and Elsevier Ltd

    Transferability and Calibration of Highway Safety Manual Performance Functions and Development of New Models for Urban Four-Lane Divided Roads in Riyadh, Saudi Arabia

    Kaaf, Khalid Al / Abdel-Aty, Mohamed | Transportation Research Record | 2015
    technique. It was found that the jurisdiction-specific SPFs provided the best fit of the data used in this study and would be the best SPFs for ...
    Verlag: Transportation Research Record

    Assessment of Interaction of Crash Occurrence, Mountainous Freeway Geometry, Real-Time Weather, and Traffic Data

    Ahmed, Mohamed M. / Abdel-Aty, Mohamed / Yu, Rongjie | Transportation Research Record | 2012

    This study investigated the effect of the interaction between roadway geometric features and real-time weather and traffic data on the

     ...
    Verlag: Transportation Research Record

    Split Models for Predicting Multivehicle Crashes during High-Speed and Low-Speed Operating Conditions on Freeways

    Abdel-Aty, Mohamed / Uddin, Nizam / Pande, Anurag | Transportation Research Record | 2019

    The future of traffic management and highway safety lies in proactive traffic management systems. Crash prediction models that use real

     ...
    Verlag: Transportation Research Record

    Evaluation of the Safety Effectiveness of the Conversion of Two-Lane Roadways to Four-Lane Divided Roadways

    Bayesian Versus Empirical Bayes
    Ahmed, Mohamed M. / Abdel-Aty, Mohamed / Park, Juneyoung | Transportation Research Record | 2015

    This paper uses various observational before–after analyses to evaluate the safety effectiveness of widening urban and rural two-lane to

     ...
    Verlag: Transportation Research Record

    Macro and micro models for zonal crash prediction with application in hot zones identification

    Huang, Helai / Song, Bo / Xu, Pengpeng et al. | Elsevier | 2016
    proposed to exploit the merits of separate macro and micro screening results. The research was based on a three-year dataset of an urban road ...

    Safety Analysis of Urban Arterials under Mixed-Traffic Patterns in Beijing

    Ma, Ming / Yan, Xinping / Abdel-Aty, Mohamed et al. | Transportation Research Record | 2010

    Many studies have dealt with modeling crash occurrences on urban arterials. There is a dearth of research on urban arterials with mixed

     ...
    Verlag: Transportation Research Record

    Linking Roadway Geometrics and Real-Time Traffic Characteristics to Model Daytime Freeway Crashes: Generalized Estimating Equations for Correlated Data

    Abdel-Aty, Mohamed / Abdalla, M. Fathy | Transportation Research Record | 2004
    corresponding loop detector traffic data were available up stream and downstream of the location of every crash and for at least 30 min before the crash ...
    Verlag: Transportation Research Record

    Real-Time Crash Risk Prediction using Long Short-Term Memory Recurrent Neural Network

    Yuan, Jinghui / Abdel-Aty, Mohamed / Gong, Yaobang et al. | Transportation Research Record | 2019
    crash risk prediction is one of the most promising and challenging research topics. This study attempts to predict real-time crash risk by ...
    Verlag: Transportation Research Record

    Discovering Indirect Associations in Crash Data through Probe Attributes

    Pande, Anurag / Abdel-Aty, Mohamed | Transportation Research Record | 2008
    transactions and crash characteristics as the “products” part of that transaction to discover patterns of the crash characteristics that tend to ...
    Verlag: Transportation Research Record