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Showing 141 - 160 of 16740 results
  • 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 ...
  • National Travel Time Dashboard Interstate Highways October 2025
    National Travel Time Dashboard: Interstate Highways, October 2025
    United States. Department of Transportation. Federal Highway Administration. Office of Operations
    2025-10-01 | 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 ...
  • Traffic Volume Trends August 2025
    Traffic Volume Trends: August 2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-26 | 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 ...
  • System Design Document SDD Buffalo NY ITS4US Deployment Project
    System Design Document (SDD) — Buffalo, NY ITS4US Deployment Project
    Okunieff, Polly ;
    Abounassif, Lina
    2025-09-25 | PDF
    The Buffalo NY ITS4US Deployment Project seeks to improve mobility to, from and within the Buffalo Niagara Medical Campus by deploying new and advanced technologies with a focus on addressing existing mobility and accessibility challenges. The technologies to be deployed are self-driving shuttles, a trip planning app that is customized for accessib ...
  • Phase 2 Revised Performance Measurement and Evaluation Support Plan PMESP Buffalo NY ITS4US Deployment Project
    Phase 2 Revised Performance Measurement and Evaluation Support Plan (PMESP) – Buffalo NY ITS4US Deployment Project
    Bradley, Mark ;
    Zmud, Johanna
    2025-09-25 | ITS4US Phase 2 and Phase 3 | PDF
    The Buffalo NY ITS4US Deployment Project seeks to improve mobility to, from and within the Buffalo Niagara Medical Campus by deploying new and advanced technologies with a focus on addressing existing mobility and accessibility challenges. Examples of the technologies to be deployed are electric and self-driving shuttles, a trip planning app that i ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 51 Data Complete Through 9192025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 51, Data Complete Through 9/19/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-24 | 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 ...
  • Phase 2 System Requirements Specification SyRS Buffalo NY ITS4US Deployment Project
    Phase 2 System Requirements Specification (SyRS) - Buffalo NY ITS4US Deployment Project
    Okunieff, Polly ;
    Serulle, Nayel Urena
    2025-09-23 | ITS4US Phase 2 and Phase 3 | PDF
    The Buffalo NY ITS4US Deployment Project seeks to improve mobility to, from, and within the Buffalo Niagara Medical Campus by deploying new and advanced technologies with a focus on addressing existing mobility and accessibility challenges. Examples of the technologies to be deployed are electric and self-driving shuttles, a trip planning app that ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 50 Data Complete Through 9122025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 50, Data Complete Through 9/12/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-17 | 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 ...
  • Strategic Workforce Development Focus on Innovation Advanced Digital Construction Management Systems Brochure
    Strategic Workforce Development: Focus on Innovation: Advanced Digital Construction Management Systems [Brochure]
    United States. Department of Transportation. Federal Highway Administration
    2025-09-15 | PDF
    Advanced Digital Construction Management Systems (ADCMS) are technologies and processes that include systems for infrastructure planning and coordination, design, construction, maintenance, modernization and management, and asset management. Through its ADCMS Program, the Federal Highway Administration (FHWA) offers grants to help States adopt adva ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 49 Data Complete Through 952025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 49, Data Complete Through 9/5/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-10 | 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 ...
  • Strategic Workforce Development Case Study Focus on Innovation Advanced Digital Construction Management Systems
    Strategic Workforce Development: Case Study: Focus on Innovation: Advanced Digital Construction Management Systems
    United States. Department of Transportation. Federal Highway Administration
    2025-09-10 | PDF
    Advanced Digital Construction Management Systems (ADCMS) are an important part of the Federal Highway Administration's (FHWA) ongoing, strategic effort to share innovative project delivery practices with State and other transportation agencies. ADCMS are technologies and processes that include systems for infrastructure planning and coordination, d ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 48 Data Complete Through 8292025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 48, Data Complete Through 8/29/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-04 | 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 July 2025
    Traffic Volume Trends: July 2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-03 | 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 ...
  • 2025 FHWA Forecasts of Vehicle Miles Traveled VMT
    2025 FHWA Forecasts of Vehicle Miles Traveled (VMT)
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-09-01 | 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 ...
  • Portland Limestone Cement Variability technote
    Portland Limestone Cement Variability [technote]
    Hosseini, Payam ;
    Cooper, Michelle A.
    2025-09-01 | PDF
    Portland limestone cement (PLC), also known as Type IL, is a blended hydraulic cement that contains 5–15 percent (by weight) limestone (either blended fines or interground with clinker) to reduce the clinker content.(1) ASTM International (ASTM) C595(2) and American Association of State Highway and Transportation Officials (AASHTO) M 240(3) provide ...
141 - 160 / 16740
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