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Showing 341 - 360 of 15868 results
  • Michigan Adopts the Safe System Approach in the Strategic Highway Safety Plan
    Michigan Adopts the Safe System Approach in the Strategic Highway Safety Plan
    United States. Department of Transportation. Federal Highway Administration
    2024-06-01 | PDF
    In the past, the Michigan Department of Transportation (MDOT) used a more traditional approach to transportation safety – placing responsibility for traffic safety on individuals and focusing on improving human behavior, controlling speeding through education and enforcement, and reacting based on crash history. However, like most States, fatal and ...
  • Improving Transportation Infrastructure Resilience through Postevent Damage Inspection PDI and Postevent Engineering Investigation PEI
    Improving Transportation Infrastructure Resilience through Post-event Damage Inspection (PDI) and Postevent Engineering Investigation (PEI)
    Kourkoulis, Rallis ;
    Gelagoti, Fani
    2024-06-01 | PDF
    This document summarizes the highway infrastructure resilience framework and practices for PostEvent Damage Inspection (PDI) and Post-Event Engineering Investigation (PEI) developed under the FHWA Task Order “Framework for Infrastructure Resilience and Post-Hazard Response.” The document describes the framework components: pillars, lenses, dimensio ...
  • Evaluating The Load Capacities of Flooded Pavements Improving Practices and Developing DataDriven Evaluation Techbrief
    Evaluating The Load Capacities of Flooded Pavements: Improving Practices and Developing Data-Driven Evaluation [Techbrief]
    Sias, Jo E. ;
    Nadkarni, Atish A.
    2024-06-01 | PDF
    This TechBrief summarizes important findings from the report, which was prepared for the Flooded Pavement Assessment project funded through Federal Highway Administration (FHWA) Project No. DTFH61-13-C00022. The report addresses the load-carrying capacity of pavements affected by flooding to provide decisionmakers with quantitative tools to rationa ...
  • Redesign of the ThirdGeneration FHWA Pavement Testing Facility Tech Brief
    Redesign of the Third-Generation FHWA Pavement Testing Facility [Tech Brief]
    Adams, Michael ;
    Nicks, Jennifer
    2024-06-01 | PDF
    This TechBrief provides an overview of the redesign of the Pavement Testing Facility (PTF) that has been in operation since 1986. The PTF was originally developed to generate accelerated pavement testing performance data related to design, rehabilitation, and the effect of increased loads, and to support the long-term research efforts of the Strate ...
  • Enhancing Vulnerable Road User Detection and Volume Data Through the Use of Infrared Thermal Imaging Sensors
    Enhancing Vulnerable Road User Detection and Volume Data Through the Use of Infrared Thermal Imaging Sensors
    Calvo, Jose ;
    Jannat, Mafruhatul
    2024-06-01 | PDF
    This tech brief highlights the research conducted by the Office of Safety Research and Development. The purpose of this research was to evaluate the appropriateness and applicability of infrared thermal imaging sensors for collecting vulnerable road user count data—under variable conditions—that can provide information for measuring exposure to cra ...
  • Development of Balanced Mixture Design Index Parameters and the Flex Suite of Performance Analysis Tools for Asphalt Pavements TechBrief
    Development of Balanced Mixture Design Index Parameters and the Flex Suite of Performance Analysis Tools for Asphalt Pavements [TechBrief]
    United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development
    2024-06-01 | PDF
    The research efforts presented in this TechBrief were designed to advance the deployment of FHWA’s performance testing and evaluation of asphalt pavements. These efforts can be categorized as follows: • Development of a thermal cracking model. • Development of Sapp (apparent damage capacity) and the Rutting Strain Index (RSI) as the cracking and ru ...
  • Development of Balanced Mixture Design Index Parameters and the Flex Suite of Performance Analysis Tools for Asphalt Pavements Volume I
    Development of Balanced Mixture Design Index Parameters and the Flex Suite of Performance Analysis Tools for Asphalt Pavements – Volume I
    Kim, Y. Richard ;
    Underwood, B. Shane
    2024-06-01 | PDF
    This report documents research to advance mechanistic models, performance analysis and evaluation, and design methodologies to aid agency efforts to understand asphalt pavement performance. The research team developed FlexMAT™ version 2.1 and FlexPAVE™ version 2.0 as the material-level and pavement-level analysis tools, respectively. FlexPAVE 2.0 i ...
  • Organizational Safety Culture SelfAssessment for Transportation Agencies Instruction Manual
    Organizational Safety Culture Self-Assessment for Transportation Agencies – Instruction Manual
    Otto, Jay ;
    Robertson, Ashley
    2024-06-01 | PDF
    Safety is the very foundation of every transportation agency’s mission and enables the safe and efficient movement of road users across the country. While all transportation agencies (from State departments of transportation, to local, regional, and Tribal governments, to transit agencies) strive to guarantee safety for both their users and workers ...
  • Urban Congestion Report UCR YeartoYear Trends in the US for April through June 2024
    Urban Congestion Report (UCR): Year-to-Year Trends in the U.S. for April through June 2024
    United States. Department of Transportation. Federal Highway Administration. Office of Operations
    2024-06-01 | 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.
  • FHWA Forecasts of Vehicle Miles Traveled VMT Spring 2024
    FHWA Forecasts of Vehicle Miles Traveled (VMT): Spring 2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-06-01 | PDF
    FHWA has constructed a national vehicle miles traveled (VMT) forecasting model where future VMT growth rates can be estimated for three major economic scenarios - normal, pessimistic, and optimistic growth. The normal growth scenario represents the most Likely economic outlook reflects IHS' assessment of most probable future trends in U.S. populati ...
  • National Travel Time Dashboard Interstate Highways June 2024
    National Travel Time Dashboard: Interstate Highways, June 2024
    United States. Department of Transportation. Federal Highway Administration. Office of Operations
    2024-06-01 | National Travel Time Dashboard: Interstate Highways | PDF
    The Monthly Urban Congestion Report (UCR) provides a state-level overview of traffic congestion and reliability trends on Interstate highways. Published every month, the report compares data from the most recent month with the same month in the previous year. It uses travel time data from the Federal Highway Administration’s National Performance Ma ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 34 Data Complete Through 5242024
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 34, Data Complete Through 5/24/2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-05-30 | Special Issue - Weekly Motor Fuel Report | PDF
    The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 33 Data Complete Through 5172024
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 33, Data Complete Through 5/17/2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-05-22 | Special Issue - Weekly Motor Fuel Report | PDF
    The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration ...
  • Planning for TSMO National Highway Institute NHI Virtual Course Offerings
    Planning for TSMO: National Highway Institute (NHI) Virtual Course Offerings
    United States. Department of Transportation. Federal Highway Administration
    2024-05-16 | PDF
    The Federal Highway Administration (FHWA) is pleased to offer three training courses on integrating Transportation Systems Management and Operations (TSMO) into planning, project development, and ongoing TSMO programs. The three web-based training courses are being offered through NHI. Courses 1 and 2 use a self-paced format, and Course 3 is real-t ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 32 Data Complete Through 5102024
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 32, Data Complete Through 5/10/2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-05-15 | Special Issue - Weekly Motor Fuel Report | PDF
    The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration ...
  • Complete Streets Evaluation Best Practices
    Complete Streets Evaluation Best Practices
    Ali, Atizaz ;
    Grahn, Rick
    2024-05-10 | PDF
    Complete Streets are a set of transportation policies, planning approaches, design practices, and operational strategies focused on improving safety, accessibility, and mobility for all road users regardless of their age, ability, and mode of transportation. The purpose of this report is to summarize Complete Streets evaluation best practices using ...
  • Complete Streets Modeling Capabilities and Gaps
    Complete Streets Modeling Capabilities and Gaps
    Ali, Atizaz ;
    Gatiba, Adam
    2024-05-10 | PDF
    Complete streets are a set of transportation policies, planning approaches, design practices, and operational strategies focused on improving safety, accessibility, and mobility for all road users regardless of their age, ability, and mode of transportation. The purpose of this report is to summarize the Complete Streets modeling capabilities and g ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 31 Data Complete Through 532024
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 31, Data Complete Through 5/3/2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-05-08 | Special Issue - Weekly Motor Fuel Report | PDF
    The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration ...
  • Wider Economic Impacts from Investing in Transportation Infrastructure Theory Measurement and Practical Significance
    Wider Economic Impacts from Investing in Transportation Infrastructure: Theory, Measurement, and Practical Significance
    Pickrell, Don H. ;
    Solow-Collins, Anna
    2024-05-07 | PDF
    This report describes how investment in transportation infrastructure can generate economic costs or benefits that may not be captured in the conventional measures used for economic evaluation of proposed investments, and thus need to be measured separately and incorporated into such evaluations. It explains why and how such "wider economic impacts ...
  • Correlation of Bridge Deck Deterioration with Truckload Spectra Based on NBI Condition Rating and WeighInMotion Data
    Correlation of Bridge Deck Deterioration with Truckload Spectra Based on NBI Condition Rating and Weigh-In-Motion Data
    Yang, Chan ;
    Lou, Peng
    2024-05-01 | PDF
    This summary report presents results from a study that established a relationship between truckload spectra and bridge service life at the national, regional, and State levels. Weigh-in-motion data and bridge inspection data were obtained nationwide from the Long-Term Pavement Performance (LTPP) and Long-Term Bridge Performance Programs (LTBP), res ...
341 - 360 / 15868