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Showing 41 - 60 of 16092 results
  • IHSDM Resource List December 2025
    IHSDM Resource List [December 2025]
    United States. Department of Transportation. Federal Highway Administration
    2025-12-01 | PDF
    A product of the Federal Highway Administration's (FHWA) Safety Research and Development (R&D) Program, the Interactive Highway Safety Design Model (IHSDM) is a suite of safety analysis tools designed to evaluate the safety and operational effects of geometric-design decisions on highways. The following resources are available to individuals consid ...
  • Work Zone Management for Light Vehicles Using Cooperative Driving Automation CDA fact sheet
    Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA) [fact sheet]
    United States. Department of Transportation. Federal Highway Administration
    2025-12-01 | PDF
    Work zone fatalities have increased 61 percent since 2013. CDA can help decrease these fatalities and support safer automated vehicle (AV) operations with infrastructure-communicating work zone configurations and with restrictions to AVs before they reach the work zone. These strategies increase the AVs' situational awareness and plan their motion. ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 8 Data Complete Through 11262025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 8, Data Complete Through 11/26/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-11-26 | 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 7 Data Complete Through 11142025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 7, Data Complete Through 11/14/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-11-19 | 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 6 Data Complete Through 1172025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 6, Data Complete Through 11/7/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-11-13 | 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 5 Data Complete Through 10312025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 5, Data Complete Through 10/31/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-11-06 | 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 ...
  • Comparing Merging Behaviors of Drivers with Vehicles Equipped with Level 3 Automation and Connected Messaging when Merging in a Mixed Vehicle Fleet Environment of Various Traffic Densities
    Comparing Merging Behaviors of Drivers with Vehicles Equipped with Level 3 Automation and Connected Messaging when Merging in a Mixed Vehicle Fleet Environment of Various Traffic Densities
    Calvo, Jose ;
    Svancara, Austin
    2025-11-01 | PDF
    As the number of vehicles equipped with automated driving systems (ADS) that are using cooperative driving automation (CDA) technology to communicate safety messages are anticipated to increase in the future, maintaining the safety and efficient operation of roadways is important. ADS-equipped vehicles and CDA technology need to operate smoothly an ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 4 Data Complete Through 10242025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 4, Data Complete Through 10/24/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-10-29 | 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 ...
  • Traffic Volume Trends September 2025
    Traffic Volume Trends: September 2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-10-28 | Traffic Volume Trends | PDF
    Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 3 Data Complete Through 10172025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 3, Data Complete Through 10/17/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-10-22 | 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 ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 2 Data Complete Through 10102025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 2, Data Complete Through 10/10/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-10-15 | 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 ...
  • Pavement Profile Viewer and Analyzer ProVAL Version 4078 supporting software
    Pavement Profile Viewer and Analyzer (ProVAL) Version 4.0.78 [supporting software]
    United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements
    2025-10-09 | ZIP
    The Profile Viewer and Analyzer (ProVAL) is a software that was initially developed to provide a means to view and analyze pavement profiles efficiently and robustly, as part of the Federal Highway Administration (FHWA) smoothness initiative. ProVAL imports, displays, and analyzes the characteristics of pavement profiles from many different sources ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 1 Data Complete Through 1032025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 1, Data Complete Through 10/3/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-10-08 | 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 ...
  • Move Over Law for Traffic Incident Management Using Cooperative Driving Automation CDA
    Move Over Law for Traffic Incident Management Using Cooperative Driving Automation (CDA)
    United States. Department of Transportation. Federal Highway Administration
    2025-10-01 | PDF
    The intent of a move over law is to protect first responders as they respond to an incident. When first responders are positioned near or in active travel lanes, they and their vehicles may be put in harm’s way due to the close proximity of other vehicles. All 50 States have some form of a move over law, whereby approaching users are required to sl ...
  • Integrated Highway Prototype Using Cooperative Driving Automation CDA
    Integrated Highway Prototype Using Cooperative Driving Automation (CDA)
    United States. Department of Transportation. Federal Highway Administration
    2025-10-01 | PDF
    Connectivity helps automated vehicles safely merge and then harmonize across a traffic stream. The Federal Highway Administration's (FHWA's) integrated highway prototype used up to five SAE International® Level 2+ vehicles on a closed track to perform platooning, cooperative merge, and speed harmonization maneuvers. The research team then analyzed ...
  • Perception Sharing for Cooperative Driving Automation CDA
    Perception Sharing for Cooperative Driving Automation (CDA)
    United States. Department of Transportation. Federal Highway Administration
    2025-10-01 | PDF
    In 2023, pedestrian and bicyclist fatalities together made up about 21 percent of all traffic fatalities in the United States. Both drivers and automated vehicles often have blind spots or limited sight lines where they cannot see vulnerable road users. These visual limitations potentially contribute to those incidents. Cooperative perception can h ...
  • Extending the Life of Highway Infrastructure Summary of 2023 and 2025 TRB Data Workshops summary report
    Extending the Life of Highway Infrastructure: Summary of 2023 and 2025 TRB Data Workshops [summary report]
    United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
    2025-10-01 | PDF
    During the 2023 and 2025 Transportation Research Board (TRB) Annual Meetings, the Federal Highway Administration (FHWA) held two workshops that focused on using data to increase the longevity of the Nation’s pavement and bridge infrastructure. The primary objectives of the workshops were to highlight transportation data sources and how the data are ...
  • Optimizing Vehicle Trajectories at FixedTime Traffic Signal Intersections Using Cooperative Driving Automation CDA
    Optimizing Vehicle Trajectories at Fixed-Time Traffic Signal Intersections Using Cooperative Driving Automation (CDA)
    United States. Department of Transportation. Federal Highway Administration
    2025-10-01 | PDF
    Automated vehicles communicating with smart traffic signals can travel through signalized intersections more safely and efficiently. The functionality developed in this project demonstrates CDA’s potential to benefit automated vehicles by supporting them as they navigate signalized intersections with fixed-time settings. As shown in figure 1, vehic ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 52 Data Complete Through 9262025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 52, Data Complete Through 9/26/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-10-01 | 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 ...
  • Career Opportunities in Intelligent Transportation Systems ITS
    Career Opportunities in Intelligent Transportation Systems (ITS)
    Grahn, Rick ;
    Silverstein, Claire
    2025-10-01 | PDF
    Intelligent Transportation Systems (ITS) offer a powerful, cost-effective approach to improving roadway safety and efficiency, especially when traditional infrastructure expansion is either impractical or fails to meet longer-term needs. Their ability to address complex challenges are driving substantial growth in the ITS field as transportation sy ...
41 - 60 / 16092