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This page includes the documents that were newly added to the repository within the last 30 days.
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    Understanding and Using New Pedestrian and Bicycle Facilities [Traffic Tech]
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    Filetype[PDF - 181.02 KB]
    :
    United States. Department of Transportation. National Highway Traffic Safety Administration. Office of Behavioral Safety Research
    2022-07-01
    Abstract:
    Research has explored the benefits of innovative pedestrian and bicycle facilities, but it is unclear how pedestrians and bicyclists learn to properly...
    File Type:
    Filetype[PDF - 181.02 KB]
    File Type:
    Filetype[PDF - 181.02 KB]
    06/28/2022
    Understanding and Using New Pedestrian and Bicycle Facilities
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    Filetype[PDF - 2.71 MB]
    :
    Jackson, Steve ; Miller, Sheryl ; ...
    2022-07-01
    Abstract:
    Research has explored the benefits of innovative pedestrian and bicycle facilities, but it is unclear how pedestrians and bicyclists learn to properly...
    File Type:
    Filetype[PDF - 2.71 MB]
    File Type:
    Filetype[PDF - 2.71 MB]
    06/28/2022
    Repeatability and Reproducibility Of the FMVSS No. 213 Side Impact Test
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    Filetype[PDF - 1.50 MB]
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    Wietholter, Kedryn ; Louden, Allison E. ;
    2021-11-01
    Abstract:
    This report documents NHTSA’s evaluation of testing using the proposed FMVSS No. 213 child side impact procedures conducted on both acceleration and...
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    Filetype[PDF - 1.50 MB]
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    Filetype[PDF - 1.50 MB]
    06/28/2022
    FMVSS No. 213a Side Impact Test Evaluation and Revision
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    Filetype[PDF - 3.55 MB]
    :
    Louden, Allison E. ; Wietholter, Kedryn ;
    2022-04-01
    Abstract:
    In 2014 NHTSA published a notice of proposed rulemaking (NPRM) requiring all child restraint systems (CRSs) seating children up to 40 lb to provide pr...
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    Filetype[PDF - 3.55 MB]
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    Filetype[PDF - 3.55 MB]
    06/28/2022
    Improved Practices for Determining the Infiltration Characteristics of Soils for Design of Stormwater BMPs
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    Filetype[PDF - 2.21 MB]
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    Benoit, Jean ; Wuebbolt, Steven ; ...
    2022-03-01
    Abstract:
    There are currently several in situ and laboratory methods of determining hydraulic conductivity of soils, however, it remains a difficult parameter t...
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    Filetype[PDF - 2.21 MB]
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    Filetype[PDF - 2.21 MB]
    06/27/2022
    Use of Rice Hull Ash (RHA) as a Sustainable Source of Construction Material
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    Filetype[PDF - 2.16 MB]
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    Hossain, Zahid ; Elsayed, Ashraf ; ...
    2018-10-01
    Abstract:
    With the imminent shortage of natural resources, the need to find sustainable development is the highest in recent history. Therefore, this study exam...
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    Filetype[PDF - 2.16 MB]
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    Filetype[PDF - 2.16 MB]
    06/27/2022
    Development of a Self-Healing and Rejuvenating Mechanism for Asphalt Mixtures Containing Recycled Asphalt Materials
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    Filetype[PDF - 1.77 MB]
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    Hassan, Marwa M. ; Aguirre, Max ;
    2018-10-01
    Abstract:
    The objective of this study was to test the hypothesis that hollow-fibers encapsulating a rejuvenator product could improve both self-healing, rejuven...
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    Filetype[PDF - 1.77 MB]
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    Filetype[PDF - 1.77 MB]
    06/27/2022
    Development of Low Voltage/Extended Runtime Signalized Intersection Using Backup Power after the Loss of Utility Power Due to Hurricanes
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    Filetype[PDF - 5.21 MB]
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    Lin, Pei-Sung ; Kourtellis, Achilleas ; ...
    2021-08-01
    Abstract:
    This research study investigated the applicability of backup power systems to provide extended backup power to traffic signals after power loss due to...
    File Type:
    Filetype[PDF - 5.21 MB]
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    Filetype[PDF - 5.21 MB]
    06/27/2022
    Utilization of Laser Induced Breakdown Spectroscopy (LIBS) for Real-Time Testing and Quality Control Monitoring of Aggregate Materials used in Highway Construction [Technical Summary]
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    Filetype[PDF - 414.91 KB]
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    Kansas. Department of Transportation
    2022-06-01
    Abstract:
    Laser scanning of transportation aggregate materials provides a means to identify aggregate types, sources, and quality in near real-time. The Transpo...
    File Type:
    Filetype[PDF - 414.91 KB]
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    Filetype[PDF - 414.91 KB]
    06/27/2022
    Enhancing the Durability and the Service Life of Asphalt Pavements Through Innovative Light-Induced Self-Healing Materials
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    Filetype[PDF - 4.56 MB]
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    Hassan, Marwa M. ; Shirzad, Sharareh ;
    2018-10-01
    Abstract:
    The objective of this study was to evaluate the efficiency of a new generation of Ultraviolet (UV) light-induced self-healing polymers in enhancing th...
    File Type:
    Filetype[PDF - 4.56 MB]
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    Filetype[PDF - 4.56 MB]
    06/27/2022
    Utilization of Laser Induced Breakdown Spectroscopy (LIBS) for Real-Time Testing and Quality Control Monitoring of Aggregate Materials used in Highway Construction [Final Report]
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    Filetype[PDF - 8.46 MB]
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    Chesner, Warren H. ; Stein, Chris ; ...
    2022-06-01
    Abstract:
    Laser scanning of transportation aggregate materials provides a means to identify aggregate types, sources, and quality in near real-time. The Transpo...
    File Type:
    Filetype[PDF - 8.46 MB]
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    Filetype[PDF - 8.46 MB]
    06/27/2022
    Hydrogen Container Performance Testing
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    Filetype[PDF - 5.17 MB]
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    Dixon, Matthew ; Smutny, Tanja ;
    2022-06-01
    Abstract:
    This report describes research to evaluate the life cycle durability testing requirements for high pressure hydrogen containers set forth in the Globa...
    File Type:
    Filetype[PDF - 5.17 MB]
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    Filetype[PDF - 5.17 MB]
    06/27/2022
    Development of a Standard Test Method for Characterization of Asphalt Modifiers and Aging-Related Degradation Using an Extensional Rheometer
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    Filetype[PDF - 4.51 MB]
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    Wasiuddin, Nazimuddin ; Hossain, Roksana ;
    2018-10-01
    Abstract:
    An extensional deformation test method using a Sentmanat Extensional Rheometer (SER) fixture inside a Dynamic Shear Rheometer (DSR) is developed in th...
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    Filetype[PDF - 4.51 MB]
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    Filetype[PDF - 4.51 MB]
    06/27/2022
    Rotorcraft Strike Avoidance System Using Airborne Avian Radar
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    Filetype[PDF - 5.21 MB]
    :
    Piesinger, Greg ; Vandenbout, Dave ;
    2022-06-01
    Abstract:
    A research and development (R&D) proof-of-concept airborne avian radar to detect birds and other targets ahead of a rotorcraft was designed, construct...
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    Filetype[PDF - 5.21 MB]
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    Filetype[PDF - 5.21 MB]
    06/27/2022
    Impacts of Moisture on Asphalt Properties
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    Filetype[PDF - 6.41 MB]
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    Hossain, Zahid ; Roy, Sumon ;
    2018-10-01
    Abstract:
    Stripping related moisture damage has been recognized as one of the major pavement distresses since the early 1990s. The main objective of this study ...
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    Filetype[PDF - 6.41 MB]
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    Filetype[PDF - 6.41 MB]
    06/27/2022
    Use of Nanoclays As Alternatives of Polymers Toward Improving Performance of Asphalt Binders
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    Filetype[PDF - 2.25 MB]
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    Hossain, Zahid ; Elsayed, Ashraf ; ...
    2018-10-01
    Abstract:
    The main goal of this study is to assess the feasibility of the use of nanoclay as an alternative to commonly used polymers such as styrene-butadiene-...
    File Type:
    Filetype[PDF - 2.25 MB]
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    Filetype[PDF - 2.25 MB]
    06/27/2022
    Elimination of Empirical, Ineffective and Expensive PG Plus Tests To Characterize Modified Binders
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    Filetype[PDF - 2.25 MB]
    :
    Hossain, Zahid ; Elsayed, Ashraf ; ...
    2019-08-01
    Abstract:
    For characterizing the polymer modified binders, different state Departments of Transportation (DOTs) use different time consuming and empirical Perfo...
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    Filetype[PDF - 2.25 MB]
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    Filetype[PDF - 2.25 MB]
    06/27/2022
    Use of Rice Husk Ash (RHA) in Flowable Fill Concrete Mix Material
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    Filetype[PDF - 2.94 MB]
    :
    Hossain, Zahid ; Islam, Kazi Tamzidul ;
    2019-08-01
    Abstract:
    In the way of finding sustainable development, the flowable fill is a relatively new construction technology. Flowable fill is a self-compacting mater...
    File Type:
    Filetype[PDF - 2.94 MB]
    File Type:
    Filetype[PDF - 2.94 MB]
    06/27/2022
    Self-Healing Concrete Using Encapsulated Bacterial Spores in a Simulated Hot Subtropical Climate
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    Filetype[PDF - 1.84 MB]
    :
    Hassan, Marwa ; Milla, Jose ; ...
    2019-08-01
    Abstract:
    Bacterial concrete has become one of the most promising self-healing alternatives due to its capability to seal crack widths through microbial induced...
    File Type:
    Filetype[PDF - 1.84 MB]
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    Filetype[PDF - 1.84 MB]
    06/27/2022
    Rail Transit Agency Accident Investigations — Background Research
    Cite
    Filetype[PDF - 7.02 MB]
    :
    Tucci, Jim ; Dougherty, Jim ; ...
    2022-06-01
    Abstract:
    As part of FTA’s effort to promote continuous safety improvement in the public transit industry, Effective Practices in Performing Rail Transit Agen...
    File Type:
    Filetype[PDF - 7.02 MB]
    File Type:
    Filetype[PDF - 7.02 MB]
    06/27/2022
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