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Showing 101 - 120 of 16740 results
  • Accelerate Your V2X Deployment with USDOTs OpenSource Connected Vehicle Equipment Loan Program Postcard
    Accelerate Your V2X Deployment with USDOT's Open-Source Connected Vehicle Equipment Loan Program [Postcard]
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    The Connected Vehicle Equipment Loan Program gives agencies, researchers, and developers no-cost access to connected vehicle hardware. Use real devices—roadside units, onboard units, antennas, test tools, and more—to test vehicle-to-everything (V2X) applications, validate interoperability, and accelerate deployment timelines.
  • Geometric Design Laboratory Bridging Safety Design and Innovation for Safer Roads flyer
    Geometric Design Laboratory Bridging Safety, Design, and Innovation for Safer Roads [flyer]
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    The Federal Highway Administration (FHWA) Geometric Design Laboratory (GDL) is dedicated to supporting transportation safety, design, and innovation through advanced tools, technical reviews, and collaboration with research and implementation teams. GDL's main mission is the advancement of the safety practice. Such advancement can be in the forms o ...
  • V2X Interoperability Help Desk Postcard
    V2X Interoperability Help Desk [Postcard]
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    The help desk is your direct line to technical experts supporting your V2X deployment. Whether you’re selecting equipment, creating MAP messages, integrating signal phase and timing, or troubleshooting data flow, the help desk is here to help ensure interoperability and compliance with standards.
  • Mini Master Highlights Traffic Data Applications
    Mini Master Highlights: Traffic Data Applications
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2026-01-01 | PDF
    The Mini Master Highlights of Traffic Data Applications provides a systematic overview of how traffic data support transportation program and project development. This Mini Master Highlights has two goals. First, it is designed to educate traffic data gathering professionals by strengthening their systematic understanding of data application and da ...
  • Exploratory Advanced Research EAR Program Compendium of Papers from Funded Research Projects 2025
    Exploratory Advanced Research (EAR) Program: Compendium of Papers from Funded Research Projects 2025
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    This document provides a summary of Exploratory Advanced Research (EAR) funded research projects in 2025. It is a compendium of papers covering the following topics: Digital Twins, Supplementary Materials, Artificial Intelligence, Infrastructure Evaluation and Management, Interagency Research, and Research Standards and Technical Assessment Support ...
  • Traffic Management System TMS Cybersecurity Practices
    Traffic Management System (TMS) Cybersecurity Practices
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    TMSs span TMCs, field devices and networks, communications backbones, cloud services, and third-party data and application programming interface (API) integrations. Modern TMSs are highly connected cyber-physical ecosystems: connectivity improves coordination and decision support but also expands the cyber threat surface, creating safety and contin ...
  • National Travel Time Dashboard Interstate Highways January 2026
    National Travel Time Dashboard: Interstate Highways, January 2026
    United States. Department of Transportation. Federal Highway Administration. Office of Operations
    2026-01-01 | 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 ...
  • Learning From RealWorld Trajectories A Hybrid Genetic Algorithm and Reinforcement Learning Approach for Vulnerable Road User Model Calibration brochure
    Learning From Real-World Trajectories: A Hybrid Genetic Algorithm and Reinforcement Learning Approach for Vulnerable Road User Model Calibration [brochure]
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    Microscopic simulation models require accurate calibration to reflect real-world dynamics. Vulnerable road user (VRU) model calibration is challenging due to: Complex interactions and behaviors, Mode-specific interactions, Diversity in infrastructure and the existence of shared spaces. Existing calibration methods, relying solely on numeric loss fu ...
  • Our Nations Highways 2026
    Our Nation's Highways 2026
    United States. Department of Transportation. Federal Highway Administration
    2026-01-01 | PDF
    With 4.2 million miles of public roads, our Nation is connected coast-to-coast and community-to-community by our vast roadway system. The 2026 edition of Our Nation's Highways includes updates on our complex roadway infrastructure, transportation-related revenue and spending, travel trends, and travel behavior. This edition also falls on two import ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 13 Data Complete Through 12262025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 13, Data Complete Through 12/26/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-12-31 | 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 12 Data Complete Through 12192025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 12, Data Complete Through 12/19/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-12-29 | 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 ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 11 Data Complete Through 12122025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 11, Data Complete Through 12/12/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-12-17 | 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 ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 10 Data Complete Through 1252025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 10, Data Complete Through 12/5/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-12-10 | 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 ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 9 Data Complete Through 11282025
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 9, Data Complete Through 11/28/2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-12-03 | 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 October 2025
    Traffic Volume Trends: October 2025
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2025-12-01 | 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 ...
  • Macrotexture Model Development for Asphalt Mixtures Aimed at Safety Analysis techbrief
    Macrotexture Model Development for Asphalt Mixtures Aimed at Safety Analysis [techbrief]
    Flintsch, Gerardo ;
    Izeppi, Edgar de León
    2025-12-01 | PDF
    The Safe System Approach, the guiding paradigm of the United States Department of Transportation National Road Safety Strategy, recognizes that system redundancy is crucial to reducing deaths and serious injuries on our Nation’s roads. Where pavements are concerned, this paradigm involves providing adequate levels of friction supply to meet the fri ...
  • Advanced Traffic Signal Control Optimization in a Cooperative Driving Automation Environment fact sheet
    Advanced Traffic Signal Control Optimization in a Cooperative Driving Automation Environment [fact sheet]
    United States. Department of Transportation. Federal Highway Administration
    2025-12-01 | PDF
    Automated vehicles can navigate signalized intersections with enhanced safety and efficiency by establishing communication with smart infrastructure. The functionality developed in this project demonstrates Cooperative Driving Automation’s (CDA's) potential to benefit automated vehicles by supporting them as they navigate signalized intersections w ...
  • Safety Effectiveness of the Rectangular Rapid Flashing Beacon
    Safety Effectiveness of the Rectangular Rapid Flashing Beacon
    United States. Department of Transportation. Federal Highway Administration
    2025-12-01 | PDF
    The Federal Highway Administration conducted a safety evaluation of rectangular rapid flashing beacons (RRFBs), including developing crash modification factors (CMFs) and benefit-to-cost (B/C) ratios. The RRFB includes two rapidly-flashed rectangular-shaped yellow indications, each with a light-emitting diode-array based pulsing light source that f ...
  • 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. ...
  • Validating a Density Profiling System for Asphalt Compaction Assessment fact sheet
    Validating a Density Profiling System for Asphalt Compaction Assessment [fact sheet]
    United States. Department of Transportation. Federal Highway Administration
    2025-12-01 | PDF
    The DPS is a nondestructive evaluation (NDE) technology designed to assess asphalt compaction. The DPS uses ground-penetrating radar to measure the dielectric constant of a newly constructed asphalt pavement. A dielectric constant measures a material’s ability to store electric energy by separating opposite polarity charges in space. Research has s ...
101 - 120 / 16740
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