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Recent Additions
This page includes the documents that were newly added to the repository within the last 30 days.
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  • Wind Induced Vibration of Stay Cables: [techbrief]
    Published:
    2007-07-01
    Abstract:
    Cable-stayed bridges have been firmly established as the most efficient and cost effective structural form in the 152-meter (m) to 472-m span range. With widespread popularity of cable-stayed bridges around the world, longer spans are being construct...
    File Type:
    Filetype[PDF - 627.77 KB]
    Added:
    03/11/2019
  • Functional Safety Assessment of a Generic Accelerator Control System With Electronic Throttle Control in Fuel Cell Hybrid Electric Vehicles
    Published:
    2018-12-01
    Abstract:
    This report describes research assessing the functional safety of accelerator control systems with electronic faults, such as errant electronic throttle control signals, following an industry process standard. This study focuses specifically on erran...
    File Type:
    Filetype[PDF - 1.90 MB]
    Added:
    03/11/2019
  • Confidential Close Call Reporting System (C³RS) Lessons Learned Evaluation – Final Report
    Published:
    2019-02-01
    Abstract:
    The Federal Railroad Administration (FRA) established the Confidential Close Call Reporting System (C³RS) program through which “close calls” can be reported confidentially and addressed by Peer Review Teams (PRT) containing representatives from...
    File Type:
    Filetype[PDF - 5.07 MB]
    Added:
    03/11/2019
  • A Framework for Automated Driving System Testable Cases and Scenarios
    Published:
    2018-09-01
    Abstract:
    This report describes a framework for establishing sample preliminary tests for Automated Driving Systems. The focus is on light duty vehicles exhibiting higher levels of automation, where the system is required to perform the full dynamic driving ta...
    File Type:
    Filetype[PDF - 3.82 MB]
    Added:
    03/11/2019
  • Development of Fit Envelopes to Promote Compatibility Among Vehicles and Child
    Published:
    2018-09-01
    Abstract:
    This project developed fit envelopes representing the space occupied by small, medium, and large rear-facing and forward-facing child restraints that can be used as tools for promoting compatibility between vehicles and child restraints. The approach...
    File Type:
    Filetype[PDF - 10.17 MB]
    Added:
    03/11/2019
  • Cybersecurity Research Considerations for Heavy Vehicles
    Published:
    2018-12-01
    Abstract:
    The intent of this research is to investigate cybersecurity aspects of medium-duty/heavy-duty (MD/HD) trucks (classes 1 to 8) and compare those aspects to passenger vehicles. Information collected had a significant bias to-wards HD vehicles (class 7/...
    File Type:
    Filetype[PDF - 1.99 MB]
    Added:
    03/11/2019
  • Lower Leg Biofidelity Corridors for Heel Impact
    Published:
    2018-10-01
    Abstract:
    This report describes the methodology and results of development of biofidelity response corridors based on data for axial loading through the heel of 12 small female postmortem human surrogates (PMHS) lower extremities, and 2 additional small female...
    File Type:
    Filetype[PDF - 2.92 MB]
    Added:
    03/11/2019
  • Radar Congestion Study
    Published:
    2018-09-01
    Abstract:
    This study builds on prior work to characterize the environment in which automotive radars must operate, especially as systems with greater autonomy enter the market. Systems that operate well in environments without other radars may suffer significa...
    File Type:
    Filetype[PDF - 3.98 MB]
    Added:
    03/11/2019
  • Short Range Aids to Navigation Systems: Design Manual for Restricted Waterways
    Published:
    1985-03-01
    Abstract:
    This manual is intended to supplement the system design guidelines presented in Chapter 4 of the 'Aids to Navigation Manual - Administration' (COMDTINST M16500.7). It provides procedures for designing or evaluating systems of aids in restricted water...
    File Type:
    Filetype[PDF - 12.58 MB]
    Added:
    03/11/2019
  • Performance Assessment of Prototype Seat Belt Misuse Detection System
    Published:
    2018-10-01
    Abstract:
    Seat belt interlock systems may be an effective means of increasing seat belt use in light vehicles. A seat belt interlock system determines if a vehicle occupant is not wearing the seat belt properly and, if seat belt misuse is detected, takes some ...
    File Type:
    Filetype[PDF - 3.62 MB]
    Added:
    03/11/2019
  • Field Study of Light-Vehicle Crash Avoidance Systems: Automatic Emergency Braking and Dynamic Brake Support
    Published:
    2018-10-01
    Abstract:
    From a methodological perspective, the telematics-based, large-scale data collection technique has strengths for evaluating safety systems, including cost, sample size, drivers using their own vehicles, ability to look at long-term effects, data effi...
    File Type:
    Filetype[PDF - 1.82 MB]
    Added:
    03/11/2019
  • What Is Integrated Corridor Management?
    Published:
    2018-11-01
    Abstract:
    Integrated corridor management (ICM) is an approach designed to actively monitor for atypical recurring and nonrecurring events that impact traffic on the most visibly congested highways or freeways that define a corridor. Because of near constant co...
    File Type:
    Filetype[PDF - 1.56 MB]
    Added:
    03/11/2019
  • Ten Attributes of a Successful ICM Site
    Published:
    2018-11-01
    Abstract:
    In 2013, the U.S. DOT selected two corridors – U.S. 75 in Dallas, TX and I-15 in San Diego, CA to demonstrate the nation’s first ICM systems. Subsequently, thirteen more sites were awarded grants to conduct pre-implementation. Those additional si...
    File Type:
    Filetype[PDF - 1.11 MB]
    Added:
    03/11/2019
  • Development of Railroad Trespass and Grade Crossing Training Aids Research
    Published:
    2019-03-01
    Abstract:
    The Federal Railroad Administration’s (FRA) Office of Research, Development and Technology (RD&T) sponsored the John A. Volpe National Transportation Systems Center (Volpe Center) to develop and support dissemination of highway-rail grade crossing ...
    File Type:
    Filetype[PDF - 479.12 KB]
    Added:
    03/11/2019
  • Implementation Guidelines for Drug and Alcohol Regulations in Public Transportation
    Published:
    2019-02-01
    Abstract:
    These updated guidelines are intended to help transit employers develop their own drug and alcohol testing programs that comply with regulations of the Federal Transit Administration (FTA). These regulations were first published in the Federal Regist...
    File Type:
    Filetype[PDF - 3.75 MB]
    Added:
    03/11/2019
  • Development of New Design Guidelines for Protection Against Erosion at Bridge Abutments and Embankments-Phase I
    Published:
    2018-12-01
    Abstract:
    Over the last two decades, the United States Midwest has experienced increasingly catastrophic flood events. Severe erosion problems occurred even though the erosion protection design measures for bridge abutments and their embankments followed the e...
    File Type:
    Filetype[PDF - 2.95 MB]
    Added:
    03/11/2019
  • Infrastructure Inspection During and After Unexpected Events-Phase I
    Published:
    2018-12-01
    Abstract:
    This report presents the development of a vibration-based damage-detection methodology for the structural health monitoring and damage detection of vital line structures and highway bridges under extreme conditions, including seismic and water intera...
    File Type:
    Filetype[PDF - 3.68 MB]
    Added:
    03/11/2019
  • Determination of Creep Compliance and Indirect Tensile Strength for the Mechanistic-Empirical Pavement Design Guide (MEPDG)
    Published:
    2017-04-01
    Abstract:
    This report provides details of the research, including data analyses and results, conducted into creep compliance and indirect tensile strength tests for use in the Mechanistic Empirical Pavement Design Guide (MEPDG). The study was conducted on fiel...
    File Type:
    Filetype[PDF - 713.44 KB]
    Added:
    03/11/2019
  • Sustainable Geotechnical Asset Management Along the Transportation Infrastructure Environment Using Remote Sensing: Final Report
    Published:
    2015-08-01
    Abstract:
    This report summarizes the work and results obtained from USDOT Cooperative Agreement No. RITARS-14-H-MTU, on remote sensing applications for geotechnical asset management. Considering the context of transportation asset management, a framework for t...
    File Type:
    Filetype[PDF - 9.27 MB]
    Added:
    03/11/2019
  • Simulation of Liquefaction-Induced Damage of the Port of Long Beach Using the UBC3D-PLM Model
    Published:
    2015-01-01
    Abstract:
    This research studied numerically the detrimental effects of liquefaction-induced ground movements during a seismic event at the Port of Long Beach, which is vital for the California freight network. The research included: i) the calibration of const...
    File Type:
    Filetype[PDF - 508.30 KB]
    Added:
    03/11/2019
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