United States. Department of Transportation. Federal Highway Administration
2025-12-01
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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.
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United States. Department of Transportation. Federal Highway Administration (2025). Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA) [fact sheet]. https://doi.org/10.21949/ka80-3467
United States. Department of Transportation. Federal Highway Administration "Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA) [fact sheet]" (2025), https://doi.org/10.21949/ka80-3467
United States. Department of Transportation. Federal Highway Administration "Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA) [fact sheet]" , 2025, https://doi.org/10.21949/ka80-3467
United States. Department of Transportation. Federal Highway Administration
2025-12-01
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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
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United States. Department of Transportation. Federal Highway Administration (2025). Validating a Density Profiling System for Asphalt Compaction Assessment [fact sheet]. https://doi.org/10.21949/ hnet-yy89
United States. Department of Transportation. Federal Highway Administration "Validating a Density Profiling System for Asphalt Compaction Assessment [fact sheet]" (2025), https://doi.org/10.21949/ hnet-yy89
United States. Department of Transportation. Federal Highway Administration "Validating a Density Profiling System for Asphalt Compaction Assessment [fact sheet]" , 2025, https://doi.org/10.21949/ hnet-yy89
United States. Department of Transportation. Federal Highway Administration
2025-12-01
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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
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United States. Department of Transportation. Federal Highway Administration (2025). IHSDM Resource List [December 2025]. https://doi.org/10.21949/yvn2-t628
United States. Department of Transportation. Federal Highway Administration "IHSDM Resource List [December 2025]" (2025), https://doi.org/10.21949/yvn2-t628
United States. Department of Transportation. Federal Highway Administration "IHSDM Resource List [December 2025]" , 2025, https://doi.org/10.21949/yvn2-t628
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2025-12-01
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National Travel Time Dashboard: Interstate Highways
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2025). National Travel Time Dashboard: Interstate Highways, December 2025.
United States. Department of Transportation. Federal Highway Administration. Office of Operations "National Travel Time Dashboard: Interstate Highways, December 2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Operations "National Travel Time Dashboard: Interstate Highways, December 2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-11-26
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 8, Data Complete Through 11/26/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 8, Data Complete Through 11/26/2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-11-19
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 7, Data Complete Through 11/14/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 7, Data Complete Through 11/14/2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-11-13
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 6, Data Complete Through 11/7/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 6, Data Complete Through 11/7/2025" , 2025
United States. Department of Transportation. Federal Highway Administration
2025-11-07
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The FHWA Bridge Preservation Expert Task Group Strategic Plan identifies strategic goals, strategies, and actions in the area of highway bridge preservation by working collaboratively with Federal, State, and local agencies, industry, and academia.
United States. Department of Transportation. Federal Highway Administration (2025). FHWA Bridge Preservation Expert Task Group: Strategic Plan FY2025-FY2030.
United States. Department of Transportation. Federal Highway Administration "FHWA Bridge Preservation Expert Task Group: Strategic Plan FY2025-FY2030" (2025)
United States. Department of Transportation. Federal Highway Administration "FHWA Bridge Preservation Expert Task Group: Strategic Plan FY2025-FY2030" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-11-06
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 5, Data Complete Through 10/31/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 5, Data Complete Through 10/31/2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure
2025-11-03
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This document presents the steps for Federal Highway Administration (FHWA) to compute bridge condition measures using the National Bridge Inventory (NBI) data based on the Specifications for the National Bridge Inventory (SNBI) for the purpose of determining: (1) the minimum bridge condition level for each State (23 Code of Federal Regulations (CFR
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure (2025). FHWA Computation Procedure for the Transportation Performance Management Bridge Condition Measures: Based on the Specifications for the National Bridge Inventory (SNBI).
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure "FHWA Computation Procedure for the Transportation Performance Management Bridge Condition Measures: Based on the Specifications for the National Bridge Inventory (SNBI)" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure "FHWA Computation Procedure for the Transportation Performance Management Bridge Condition Measures: Based on the Specifications for the National Bridge Inventory (SNBI)" , 2025
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
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Calvo, Jose et al. (2025). 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 et al. "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" (2025)
Calvo, Jose et al. "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" , 2025
Management of critical transportation assets such as bridges and tunnels has traditionally focused on condition preservation through carefully planned life-cycle activities within a budgetary limit. Although there are calls to consider various risks from extreme events, existing approaches to risk assessment in transportation asset management rely
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Yang, David Y. et al. (2025). Framework and Methodology for Risk-Based Bridge and Tunnel Asset Management: Objective Risk Assessment and Network Level Evaluation [TechBrief].
Yang, David Y. et al. "Framework and Methodology for Risk-Based Bridge and Tunnel Asset Management: Objective Risk Assessment and Network Level Evaluation [TechBrief]" (2025)
Yang, David Y. et al. "Framework and Methodology for Risk-Based Bridge and Tunnel Asset Management: Objective Risk Assessment and Network Level Evaluation [TechBrief]" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2025-11-01
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National Travel Time Dashboard: Interstate Highways
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2025). National Travel Time Dashboard: Interstate Highways, November 2025.
United States. Department of Transportation. Federal Highway Administration. Office of Operations "National Travel Time Dashboard: Interstate Highways, November 2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Operations "National Travel Time Dashboard: Interstate Highways, November 2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-10-29
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 4, Data Complete Through 10/24/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 4, Data Complete Through 10/24/2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-10-28
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Traffic Volume Trends
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). Traffic Volume Trends: September 2025.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Traffic Volume Trends: September 2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Traffic Volume Trends: September 2025" , 2025
Heart of Iowa Regional Transit Agency (HIRTA) is one of four awardees of the ITS4US Phase 2/3. The deployment site for this project is Dallas County, located in central Iowa, west of Des Moines. This deployment will provide enhanced transportation access to healthcare options for all travelers in Dallas County. The project will deliver a solution t
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Mishra, Santosh et al. (2025). Phase 3 Data Management Plan (DMP) - Heart of Iowa Regional Transit Agency ITS4US Deployment Project.
Mishra, Santosh et al. "Phase 3 Data Management Plan (DMP) - Heart of Iowa Regional Transit Agency ITS4US Deployment Project" (2025)
Mishra, Santosh et al. "Phase 3 Data Management Plan (DMP) - Heart of Iowa Regional Transit Agency ITS4US Deployment Project" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-10-22
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 3, Data Complete Through 10/17/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 3, Data Complete Through 10/17/2025" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-10-15
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 2, Data Complete Through 10/10/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 2, Data Complete Through 10/10/2025" , 2025
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements
2025-10-09
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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
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United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements (2025). Pavement Profile Viewer and Analyzer (ProVAL) Version 4.0.78 [supporting software].
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements "Pavement Profile Viewer and Analyzer (ProVAL) Version 4.0.78 [supporting software]" (2025)
United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements "Pavement Profile Viewer and Analyzer (ProVAL) Version 4.0.78 [supporting software]" , 2025
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-10-08
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Special Issue - Weekly Motor Fuel Report
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2025). 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 "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 1, Data Complete Through 10/3/2025" (2025)
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information "Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 1, Data Complete Through 10/3/2025" , 2025
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