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Showing 2721 - 2740 of 16209 results
  • Successful Practices for Quality Management of Pavement Surface Condition Data Collection and Analysis Phase I Task 2 Document of Successful Practices
    Successful Practices for Quality Management of Pavement Surface Condition Data Collection and Analysis Phase I: Task 2 - Document of Successful Practices
    Chang, George ;
    Gilliland, Amanda
    2020-12-01 | PDF
    For years State Department of Transportations (DOTs) have conducted pavement surface condition surveys to use in the management of their pavement assets. These surveys involve a significant investment of time, money, and manpower. Understanding the level of reliability of the pavement condition data used in Pavement Management is important. Repeata ...
  • Detailed Concept of Operations Transportation Systems Management and OperationsCooperative Driving Automation Use Cases and Scenarios
    Detailed Concept of Operations: Transportation Systems Management and Operations/Cooperative Driving Automation Use Cases and Scenarios
    Nallamothu, Sudhakar ;
    Stark, John
    2020-12-01 | PDF
    This report presents the detailed concept of operations (ConOps) in support of the CARMA PlatformSM sponsored by the Federal Highway Administration's Office of Operations Research and Development. The high-level ConOps focuses on four transportation systems management and operations use cases–basic travel, traffic-incident management, road-weather ...
  • Urban Congestion Report UCR YeartoYear Trends in the US for October through December 2020
    Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for October through December 2020
    United States. Department of Transportation. Federal Highway Administration. Office of Operations
    2020-12-01 | Urban Congestion Report (UCR) | PDF
    The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
  • HighLevel Concept of Operations Examination of the Relationships Between Transportation Systems Management and Operations Strategies and Cooperative Driving Automation
    High-Level Concept of Operations: Examination of the Relationships Between Transportation Systems Management and Operations Strategies and Cooperative Driving Automation
    Nallamothu, Sudhakar ;
    Stark, John
    2020-12-01 | PDF
    This report explores the relationships between transportation systems management and operations (TSMO) strategies and cooperative driving automation (CDA). It presents a high-level concept of operations (ConOps) in support of the CARMA PlatformSM sponsored by the Federal Highway Administration Office of Operations Research and Development. Developi ...
  • Targeted Overlay Pavement Solutions TOPS Unbonded Concrete on Composite
    Targeted Overlay Pavement Solutions (TOPS): Unbonded Concrete on Composite
    United States. Department of Transportation. Federal Highway Administration  ...
    2020-12-01 | PDF
    Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi ...
  • Techniques and Tools for Improving Density tech brief
    Techniques and Tools for Improving Density [tech brief]
    Aschenbrener, T. ;
    Tran, Nam H.
    2020-12-01 | PDF
    This Technical Brief summarizes contractor and agency changes made leading to increased density on projects associated with the FHWA Enhancing Durability of Asphalt Pavements Through Increased In-Place Density Demonstration Project.
  • Vehicle to Infrastructure V2I Program Research Development and Deployment Support Conducted Through 2020
    Vehicle to Infrastructure (V2I) Program: Research, Development, and Deployment Support Conducted Through 2020
    Staples, Barbara L. ;
    Chang, James
    2020-12-01 | PDF
    The Vehicle-to-Infrastructure (V2I) program was established via a charter in March 2010 with an initial focus on V2I communications for safety. Over the years, the program evolved beyond a safety-communications focus to move more broadly in enabling technology research, prototyping and assessment of V2I applications, and deployment and outreach sup ...
  • Monthly Motor Fuel Reported by States December 2020
    Monthly Motor Fuel Reported by States: December 2020
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-01 | PDF
    On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov ...
  • Feasibility Study and Assessment of Communications Approaches for RealTime Traffic Signal Applications Factsheet
    Feasibility Study and Assessment of Communications Approaches for Real-Time Traffic Signal Applications [Factsheet]
    United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office  ...
    2020-12-01 | PDF
    Connected vehicle (CV) technology is expected to significantly improve transportation systems due to the mobility, safety, and environmental benefits gained from connectivity between different vehicles and with infrastructure. Enabled by wireless communications, connectivity to real-time traffic signal data is a key component of CV applications. La ...
  • Tunnel Load Rating Examples A Supplement to the Reference Guide for Load Rating of Tunnel Structures
    Tunnel Load Rating Examples: A Supplement to the Reference Guide for Load Rating of Tunnel Structures
    Frankl, Bernard ;
    Leshko, Brian J.
    2020-12-01 | PDF
    This supplement to the FHWA Reference Guide for Load Rating of Tunnel Structures (Guide) presents two practical examples of real, in-service tunnel structures. The examples are based on the information contained within the Guide, and computations are presented in similar details as the load rating examples included in the Guide. The ratings are pro ...
  • Integrated Modeling for Road Condition Prediction Phase 3 Evaluation Report
    Integrated Modeling for Road Condition Prediction – Phase 3 Evaluation Report
    Sanchez, Robert ;
    Neuner, Michelle
    2020-12-01 | PDF
    The Integrated Modeling for Road Condition Prediction (IMRCP) is a prototype system and demonstration deployment that provides a framework for the integration of road condition monitoring and forecast data to support decisions by travelers, transportation operators, and maintenance providers. The system collects and integrates environmental and tra ...
  • FHWAs Fostering Multimodal Connectivity Newsletter December 2020January 2021
    FHWA's Fostering Multimodal Connectivity Newsletter - December 2020/January 2021
    United States. Federal Highway Administration
    2020-12-01 | PDF
    The Federal Highway Administration's (FHWA's) Fostering Multimodal Connectivity Newsletter is intended to provide transportation professionals with real-world examples of ways that multimodal transportation investments promote economic revitalization, provide access to jobs, and achieve safer communities through support of accelerated project deliv ...
  • Targeted Overlay Pavement Solutions TOPS Unbonded Concrete on Concrete
    Targeted Overlay Pavement Solutions (TOPS): Unbonded Concrete on Concrete
    United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements
    2020-12-01 | PDF
    Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi ...
  • Overcoming Obstacles to Achieving Density tech brief
    Overcoming Obstacles to Achieving Density [tech brief]
    Hand, Adam J. T. ;
    Aschenbrener, T.
    2020-12-01 | PDF
    This Technical Brief summarizes techniques used to overcome obstacles to achieving increased density on individual State projects associated with the FHWA Enhancing Durability of Asphalt Pavements Through Increased In-Place Density Demonstration Project.
  • Targeted Overlay Pavement Solutions TOPS Bonded Concrete on Asphalt
    Targeted Overlay Pavement Solutions (TOPS): Bonded Concrete on Asphalt
    United States. Department of Transportation. Federal Highway Administration  ...
    2020-12-01 | PDF
    Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi ...
  • Using Reclaimed Asphalt Pavement in PavementPreservation Treatments
    Using Reclaimed Asphalt Pavement in Pavement-Preservation Treatments
    Duncan, Gregory M. ;
    Sibaja, Luis V.
    2020-12-01 | PDF
    Using reclaimed asphalt pavement (RAP) has grown significantly since the oil embargo of the 1970s. The National Asphalt Pavement Association reported that over 71 million tons of RAP were used in 2014 (NAPA 2015). RAP was traditionally used in warm-mix asphalt (WMA) and hot-mix asphalt (HMA) construction, including conventional and thin HMA overlay ...
  • Targeted Overlay Pavement Solutions TOPS Bonded Concrete on Concrete
    Targeted Overlay Pavement Solutions (TOPS): Bonded Concrete on Concrete
    United States. Department of Transportation. Federal Highway Administration  ...
    2020-12-01 | PDF
    Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi ...
  • Targeted Overlay Pavement Solutions TOPS Bonded Concrete on Composite
    Targeted Overlay Pavement Solutions (TOPS): Bonded Concrete on Composite
    United States. Department of Transportation. Federal Highway Administration  ...
    2020-12-01 | PDF
    Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi ...
  • Pedestrian and Bike Forum Newsletter Volume 81 Winter 2021
    Pedestrian and Bike Forum Newsletter [Volume 81, Winter 2021]
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2020-12-01 | PDF
    The Pedestrian and Bike Forum newsletter provides information to FHWA stakeholders on reducing the number of pedestrian- and bicycle-related highway fatalities and serious injuries. Topics include updates on FHWA programs, spotlights on State and local noteworthy practices, initiatives with partner organizations, and upcoming events. It is publishe ...
  • Targeted Overlay Pavement Solutions TOPS Unbonded Concrete on Asphalt
    Targeted Overlay Pavement Solutions (TOPS): Unbonded Concrete on Asphalt
    United States. Department of Transportation. Federal Highway Administration  ...
    2020-12-01 | PDF
    Solutions for integrating innovative overlay procedures into practices that can improve performance, lessen traffic impacts, and reduce the cost of pavement ownership. Approximately half of all infrastructure dollars are invested in pavements, and more than half of that investment is in overlays. By enhancing overlay performance, State and local hi ...
2721 - 2740 / 16209