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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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  • Use of Vehicle Noise for Roadways, Bridge, and Infrastructure Health Monitoring Workshop Summary Report
    Published:
    2014-08-01
    Abstract:
    On August 20-21, 2013, at the Turner-Fairbank Highway Research Center in McLean, VA, the Federal Highway Administration's Exploratory Advanced Research Program convened a 2-day workshop entitled, "Use of Vehicle Noise for Roadways, Bridge, and Infras...
    File Type:
    Filetype[PDF - 10.32 MB]
    Added:
    07/17/2019
  • Transportation Operations Research and Development Update [Fall 2014 Update]
    Published:
    2014-10-01
    Abstract:
    In this Issue: National Leadership Visits the Saxton Laboratory; National Operations Center of Excellence Visits TFHRC; FHWA Operations R&D Participates in Automated Vehicles Symposium; FHWA Partners with the Federal Law Enforcement Training Center; ...
    File Type:
    Filetype[PDF - 995.00 KB]
    Added:
    07/17/2019
  • Transportation Operations Research and Development [June 2014 Update]
    Published:
    2014-06-01
    Abstract:
    In this Issue: Speed Harmonization Data Collection; Draft Report on I-66 ATM; Accessible Transportation Research; National Connected Vehicle Field Infrastructure Footprint Analysis
    File Type:
    Filetype[PDF - 819.00 KB]
    Added:
    07/17/2019
  • Traffic Incident Management Benefit-Cost Estimation Tool
    Published:
    2015-11-01
    Abstract:
    The research team at Turner-Fairbank Highway Research Center (TFHRC) developed a Web-based Traffic Incident Management Benefit-Cost (TIM-BC) tool with standardized methodology that can be universally employed in benefit-cost ratio estimation for diff...
    File Type:
    Filetype[PDF - 311.41 KB]
    Added:
    07/17/2019
  • Safety Effects of Horizontal Curve and Grade Combinations on Rural Two-Lane Highways
    Published:
    2014-01-01
    Abstract:
    The safety effects of horizontal curves and grades on rural two-lane highways have been quantified in the American Association of State Highway and Transportation Officials (AASHTO) Highway Safety Manual (HSM), but it was not previously known whether...
    File Type:
    Filetype[PDF - 2.25 MB]
    Added:
    07/17/2019
  • Safety Effectiveness of the HAWK Pedestrian Crossing Treatment : [techbrief]
    Published:
    2010-07-01
    Abstract:
    The city of Tucson, AZ, developed the High intensity Activated crossWalK (HAWK) pedestrian crossing beacon in the late 1990s to assist in pedestrian crossings, especially at major arterials with minor street intersections.(1) Previous research found ...
    File Type:
    Filetype[PDF - 231.99 KB]
    Added:
    07/17/2019
  • Research and Technology: The Value in Solving Transportation Challenges Globally Through Partnerships
    Published:
    2014-04-01
    Abstract:
    The Office of Research, Development, and Technology and the Turner-Fairbank Highway Research Center (TFHRC) at the Federal Highway Administration (FHWA) play a vital leadership role in developing and implementing a coordinated highway research and te...
    File Type:
    Filetype[PDF - 1.24 MB]
    Added:
    07/17/2019
  • Quadrant Roadway Intersection : [techbrief]
    Published:
    2009-10-01
    Abstract:
    Today's transportation professionals, with limited resources available to them, are challenged to meet the mobility needs of an increasing population. At many highway junctions, congestion continues to worsen, and drivers, pedestrians, and bicyclists...
    File Type:
    Filetype[PDF - 1.06 MB]
    Added:
    07/17/2019
  • Probabilistic Optimization for Profit (Prob.O.Prof) Software : [techbrief]
    Published:
    2010-11-01
    Abstract:
    This TechBrief describes probabilistic optimization for profit (Prob.O.Prof 2.0), a Microsoft Excel® spreadsheet-based software program developed to assist both pavement construction contractors and highway agencies. Contractors using Prob.O.Prof 2....
    File Type:
    Filetype[PDF - 183.62 KB]
    Added:
    07/17/2019
  • Integrated corridor management (ICM) quarterly newsletter : winter 2008
    Published:
    2008-02-13
    Abstract:
    The mission of this quarterly newsletter is to inform ICM stakeholders about the USDOT ICM Initiative, including the latest knowledge and technology transfer resources available to corridor managers and operators across the country through this initi...
    File Type:
    Filetype[PDF - 9.05 MB]
    Added:
    07/17/2019
  • Post-Earthquake Reconnaissance Report on Transportation Infrastructure: Impact of the February 27, 2010, Offshore Maule Earthquake in Chile
    Published:
    2011-03-01
    Abstract:
    This report documents the findings and lessons learned from the February 27, 2010, M8.8 offshore Maule earthquake in Chile. Fewer than 0.15 percent of the bridges in Chile's inventory, most built after 1995, collapsed or suffered damage that rendered...
    File Type:
    Filetype[PDF - 6.36 MB]
    Added:
    07/17/2019
  • Performance Comparison of Pavement Rehabilitation Strategies : [techbrief]
    Published:
    2011-06-01
    Abstract:
    This TechBrief presents a general comparison of performance for rehabilitation strategies for flexible and rigid pavement. The impact of overlay thickness, preparation prior to overlay, and mix type on performance was statistically evaluated using da...
    File Type:
    Filetype[PDF - 206.91 KB]
    Added:
    07/17/2019
  • Office of Safety R&D Fact Sheet
    Published:
    2013-01-01
    Abstract:
    The Safety Management team’s purpose is to support positive safety resource allocation decisions through consistent high-quality data collection and analysis, analytical tool development to transform data into actionable information, and formal eva...
    File Type:
    Filetype[PDF - 87.69 KB]
    Added:
    07/17/2019
  • Nondestructive Evaluation Center Laboratory Fact Sheet
    Published:
    2010-01-01
    Abstract:
    The Nondestructive Evaluation (NDE) Center was established by the Federal Highway Administration (FHWA) in 1998 in an effort to centralize and better coordinate research related to nondestructive testing. Since its establishment, the center has acted...
    File Type:
    Filetype[PDF - 580.34 KB]
    Added:
    07/17/2019
  • Nanoscale Approaches for Highway Research
    Published:
    2010-01-01
    Abstract:
    The Federal government spent approximately $1.5 billion on nanoscale research in FY 2008. Work directly related to highway research represented less than one-tenth of 1 percent of that figure. The Federal Highway Administration (FHWA) is working clos...
    File Type:
    Filetype[PDF - 1.91 MB]
    Added:
    07/17/2019
  • Multiple Corrosion-Protection Systems for Reinforced Concrete Bridge Components
    Published:
    2011-11-01
    Abstract:
    Eleven systems containing epoxy-coated reinforcement (ECR) in combination with another corrosion-protection system are evaluated using the rapid macrocell, southern exposure, cracked beam, linear polarization resistance, and field tests. The systems ...
    File Type:
    Filetype[PDF - 3.32 MB]
    Added:
    07/17/2019
  • Modeling Driver Characteristics - Driver Behavior in Traffic : [fact sheet]
    Published:
    2010-09-01
    Abstract:
    Existing traffic analysis and simulation tools cannot effectively model drivers' ability to recognize and respond to their environment with behavior that varies depending upon the encountered driving situation. "Driver Behavior in Traffic," an Explor...
    File Type:
    Filetype[PDF - 1.25 MB]
    Added:
    07/17/2019
  • Mapping The Future of Hydraulics Research: A Strategic Plan to Protect Highway Infrastructure : [fact sheet]
    Published:
    2010-01-01
    Abstract:
    NEARLY 60 PERCENT of failed bridges in recent years have succumbed to hydraulic forces. As our highway infrastructure ages and the risk of bridge and culvert failures rises, the need to predict, detect, and prevent water-related damage grows more urg...
    File Type:
    Filetype[PDF - 1.05 MB]
    Added:
    07/17/2019