United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-01-15
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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. 16, Data Complete Through 1/17/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/80427
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. 16, Data Complete Through 1/17/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025. https://rosap.ntl.bts.gov/view/dot/80427.
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. 16, Data Complete Through 1/17/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025, ROSA P. https://rosap.ntl.bts.gov/view/dot/80427.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-01-15
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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. 15, Data Complete Through 1/10/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/79369
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. 15, Data Complete Through 1/10/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025. https://rosap.ntl.bts.gov/view/dot/79369.
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. 15, Data Complete Through 1/10/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025, ROSA P. https://rosap.ntl.bts.gov/view/dot/79369.
United States. Department of Transportation. Federal Highway Administration
2025-01-15
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In recent years, the use of speed safety cameras (SSCs)—also referred to as speed camera enforcement or automated speed enforcement systems—has gained increased national attention and application in work zones. SSCs are a Federal Highway Administration (FHWA) proven safety countermeasure and a National Highway Traffic Safety Administration (NHTSA)
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United States. Department of Transportation. Federal Highway Administration (2025). Case Study of New York State's Work Zone Speed Safety Camera Program (Report No. FHWA-HOP-24-083). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/80164
United States. Department of Transportation. Federal Highway Administration. Case Study of New York State's Work Zone Speed Safety Camera Program. Report no. FHWA-HOP-24-083. United States. Department of Transportation. Federal Highway Administration, 2025. https://rosap.ntl.bts.gov/view/dot/80164.
United States. Department of Transportation. Federal Highway Administration Case Study of New York State's Work Zone Speed Safety Camera Program. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HOP-24-083, ROSA P. https://rosap.ntl.bts.gov/view/dot/80164.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-01-08
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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. 14, Data Complete Through 1/3/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/79368
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. 14, Data Complete Through 1/3/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025. https://rosap.ntl.bts.gov/view/dot/79368.
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. 14, Data Complete Through 1/3/2025. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025, ROSA P. https://rosap.ntl.bts.gov/view/dot/79368.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2025-01-02
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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: November 2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/79835
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: November 2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025. https://rosap.ntl.bts.gov/view/dot/79835.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: November 2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2025, ROSA P. https://rosap.ntl.bts.gov/view/dot/79835.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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Imagine your agency’s leadership gave you $100 million to improve safety in your community, jurisdiction, or State. How would you spend it? What combinations of improvements can you add to your system with that budget that maximizes the reduction in fatalities and serious injuries? The Federal Highway Administration (FHWA) developed a Proven Safety
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United States. Department of Transportation. Federal Highway Administration (2025). Proven Safety Countermeasures: Funding Scenario Companion Guide (Report No. FHWA-SA-25-007). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88190
United States. Department of Transportation. Federal Highway Administration. Proven Safety Countermeasures: Funding Scenario Companion Guide. Report no. FHWA-SA-25-007. United States. Department of Transportation. Federal Highway Administration, 2025. https://rosap.ntl.bts.gov/view/dot/88190.
United States. Department of Transportation. Federal Highway Administration Proven Safety Countermeasures: Funding Scenario Companion Guide. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-SA-25-007, ROSA P. https://rosap.ntl.bts.gov/view/dot/88190.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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The Federal Highway Administration (FHWA) has discontinued the Interactive Highway Safety Design Model (IHSDM) software development. However, FHWA will continue to provide free technical support via Geometric Design Laboratory (GDL) staff essentially as long as agencies are still using the IHSDM 2021 (version 17.0.0) software. Based on the current
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United States. Department of Transportation. Federal Highway Administration (2025). FHWA's Future Plans for IHSDM [fact sheet] (Report No. FHWA-HRT-26-015). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/s1dp-1c49
United States. Department of Transportation. Federal Highway Administration. FHWA's Future Plans for IHSDM [fact sheet]. Report no. FHWA-HRT-26-015. United States. Department of Transportation. Federal Highway Administration, 2025. https://doi.org/10.21949/s1dp-1c49.
United States. Department of Transportation. Federal Highway Administration FHWA's Future Plans for IHSDM [fact sheet]. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-26-015, ROSA P. https://doi.org/10.21949/s1dp-1c49.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2025-01-01
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This postcard describes two FHWA reports: "Best Practices for Corrosion Control and Mitigation" and "Industry-Recognized Corrosion Prevention Worker Certifications Effectiveness Evaluation."
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2025). Congressional Report Handout [Postcard] (Report No. FHWA-HRT-25-038). United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/88124
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. Congressional Report Handout [Postcard]. Report no. FHWA-HRT-25-038. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2025. https://rosap.ntl.bts.gov/view/dot/88124.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Congressional Report Handout [Postcard]. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2025, Report no. FHWA-HRT-25-038, ROSA P. https://rosap.ntl.bts.gov/view/dot/88124.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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This postcard provides information about the Nondestructive Evaluation (NDE) Advanced Sensing Technology & Nondestructive Evaluation Program. It contains six CR codes that provide additional information on the following: Zoom link to NDE Monthly Webinar, FHWA NDE Program Overview, FHWA InfoTechnology, Interview with Program Manager, FHWA NDE Monthl
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United States. Department of Transportation. Federal Highway Administration (2025). NDE: FHWA Advanced Sensing Technology & Nondestructive Evaluation Program (Report No. FHWA-HRT-25-041). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521423
United States. Department of Transportation. Federal Highway Administration. NDE: FHWA Advanced Sensing Technology & Nondestructive Evaluation Program. Report no. FHWA-HRT-25-041. United States. Department of Transportation. Federal Highway Administration, 2025. https://doi.org/10.21949/1521423.
United States. Department of Transportation. Federal Highway Administration NDE: FHWA Advanced Sensing Technology & Nondestructive Evaluation Program. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-25-041, ROSA P. https://doi.org/10.21949/1521423.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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As transportation technologies advance, ensuring their safety and effectiveness is crucial. The U.S. Department of Transportation's (USDOT) Federal Highway Administration (FHWA) is at the forefront of leveraging innovative methods to safely integrate and test new technologies. FHWA has invested in developing secure, mixed-reality, distributed testi
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United States. Department of Transportation. Federal Highway Administration (2025). Distributed Testing and the Virtual Open Innovation Collaborative Environment for Safety (VOICES™) [fact sheet] (Report No. FHWA-HRT-25-103). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/ypkp-fp09
United States. Department of Transportation. Federal Highway Administration. Distributed Testing and the Virtual Open Innovation Collaborative Environment for Safety (VOICES™) [fact sheet]. Report no. FHWA-HRT-25-103. United States. Department of Transportation. Federal Highway Administration, 2025. https://doi.org/10.21949/ypkp-fp09.
United States. Department of Transportation. Federal Highway Administration Distributed Testing and the Virtual Open Innovation Collaborative Environment for Safety (VOICES™) [fact sheet]. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-25-103, ROSA P. https://doi.org/10.21949/ypkp-fp09.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2025-01-01
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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, January 2025. United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/87942
United States. Department of Transportation. Federal Highway Administration. Office of Operations. National Travel Time Dashboard: Interstate Highways, January 2025. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2025. https://rosap.ntl.bts.gov/view/dot/87942.
United States. Department of Transportation. Federal Highway Administration. Office of Operations National Travel Time Dashboard: Interstate Highways, January 2025. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2025, ROSA P. https://rosap.ntl.bts.gov/view/dot/87942.
Advanced, infrastructure-based detection technologies, such as infrared thermal imaging sensors and Light Detection and Ranging (LiDAR), can potentially improve vulnerable road user detection and vulnerable road user volumetric data collection at real-world intersections and midblock crossings. These technologies can help increase understanding of
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Calvo, J., Lee, Y. C., Bowden, E., Jannat, M., & Eisert, J. (2025). Enhancing Vulnerable Road User Detection and Volumetric Data Through Advanced Infrastructure Detection Technologies (Report No. FHWA-HRT-24-175). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521784
Calvo, Jose, Yi-Ching Lee, Evan Bowden, Mafruhatul Jannat, and Jesse Eisert. Enhancing Vulnerable Road User Detection and Volumetric Data Through Advanced Infrastructure Detection Technologies. Report no. FHWA-HRT-24-175. United States. Department of Transportation. Federal Highway Administration, 2025. https://doi.org/10.21949/1521784.
Calvo, Jose, et al. Enhancing Vulnerable Road User Detection and Volumetric Data Through Advanced Infrastructure Detection Technologies. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-24-175, ROSA P. https://doi.org/10.21949/1521784.
Pedestrian safety in Tribal communities is a critical concern shaped by unique challenges. To help address challenges, the Federal Highway Administration conducted a comprehensive study to identify risk factors for pedestrian crashes occurring in Tribal areas and develop tools and strategies for improving pedestrian safety. The study provides resou
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Crowther, B., & Sweat, E. J. (2025). A Systemic Safety Study of Pedestrians in Tribal Areas (Report No. FHWA-HRT-25-042). United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. https://doi.org/10.21949/1521424
Crowther, Brent and Eric J. Sweat. A Systemic Safety Study of Pedestrians in Tribal Areas. Report no. FHWA-HRT-25-042. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2025. https://doi.org/10.21949/1521424.
Crowther, Brent, and Eric J. Sweat A Systemic Safety Study of Pedestrians in Tribal Areas. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2025, Report no. FHWA-HRT-25-042, ROSA P. https://doi.org/10.21949/1521424.
In recent years, the deployment of wireless communication technologies in transportation systems has gained momentum due to their potential to enhance safety, efficiency, and mobility. Vehicle-to-vehicle (V2V), vehicle-to- infrastructure (V2I) and vehicle-to-everything (V2X) communication systems enable real-time data exchange, enabling vehicles to
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Asare, S., Gatiba, A., Wang, P., & Wunderlich, K. E. (2025). Federal Highway Administration (FHWA) Connected and Automated Vehicles (CAV) Analysis, Modeling, and Simulation (AMS) Program — Modeling Wireless Communications in Traffic Simulation Models (Report No. FHWA-JPO-25-152). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/80649
Asare, Sampson, Adam Gatiba, Peiwei Wang, and Karl E Wunderlich. Federal Highway Administration (FHWA) Connected and Automated Vehicles (CAV) Analysis, Modeling, and Simulation (AMS) Program — Modeling Wireless Communications in Traffic Simulation Models. Report no. FHWA-JPO-25-152. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2025. https://rosap.ntl.bts.gov/view/dot/80649.
Asare, Sampson, et al. Federal Highway Administration (FHWA) Connected and Automated Vehicles (CAV) Analysis, Modeling, and Simulation (AMS) Program — Modeling Wireless Communications in Traffic Simulation Models. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2025, Report no. FHWA-JPO-25-152, ROSA P. https://rosap.ntl.bts.gov/view/dot/80649.
Balanced mixture design (BMD) of asphalt mixtures comprises various elements that are likely to impact asphalt pavement performance. However, most BMD applications do not account for long-term aging. This gap limits the appropriateness of thresholds and BMD's potential to improve pavement performance because more additive and reclaimed materials av
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Veginati, V., Mensching, D., Elwardany, M. D., Andriescu, A., Haghshenas, H., & Jahangiri, B. (2025). Evaluating the Sensitivity of Intermediate Temperature Performance Tests with Short-Term and Long-Term Laboratory Conditioning: Validation Study (Report No. FHWA-HRT-24-147). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/86311
Veginati, Varun, David Mensching, Michael D. Elwardany, Adrian Andriescu, Hamzeh Haghshenas, and Behnam Jahangiri. Evaluating the Sensitivity of Intermediate Temperature Performance Tests with Short-Term and Long-Term Laboratory Conditioning: Validation Study. Report no. FHWA-HRT-24-147. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2025. https://rosap.ntl.bts.gov/view/dot/86311.
Veginati, Varun, et al. Evaluating the Sensitivity of Intermediate Temperature Performance Tests with Short-Term and Long-Term Laboratory Conditioning: Validation Study. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2025, Report no. FHWA-HRT-24-147, ROSA P. https://rosap.ntl.bts.gov/view/dot/86311.
Truck platooning is a new Connected and Automated Vehicle (CAV) application poised to rapidly affect the nation’s trucking operations, which could have several profound impacts on the national inventory of bridges. The current study goal is to investigate potential impacts to bridge serviceability, as well as evaluate the effect on the strength lim
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Kozy, B. M., Bonachera Martin, F. J., Lou, P., Stawska, S., Yang, C., Nassif, H., & Murphy, T. (2025). Truck Platooning Impacts on Bridges: Phase II – Structural Serviceability. Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART). https://rosap.ntl.bts.gov/view/dot/82533
Kozy, Brian M., Francisco Javier Bonachera Martin, Peng Lou, Sylwia Stawska, Chan Yang, Hani Nassif, and Thomas Murphy. Truck Platooning Impacts on Bridges: Phase II – Structural Serviceability. Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART), 2025. https://rosap.ntl.bts.gov/view/dot/82533.
Kozy, Brian M., et al. Truck Platooning Impacts on Bridges: Phase II – Structural Serviceability. Connected Cities for Smart Mobility toward Accessible and Resilient Transportation Center (C2SMART), 2025, ROSA P. https://rosap.ntl.bts.gov/view/dot/82533.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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This brochure explains the vision and capabilities of the Turner-Fairbank Highway Research Center's Concrete Materials Laboratory.
United States. Department of Transportation. Federal Highway Administration (2025). TFHRC Concrete Materials Laboratory (Report No. FHWA-HRT-25-044). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/86266
United States. Department of Transportation. Federal Highway Administration. TFHRC Concrete Materials Laboratory. Report no. FHWA-HRT-25-044. United States. Department of Transportation. Federal Highway Administration, 2025. https://rosap.ntl.bts.gov/view/dot/86266.
United States. Department of Transportation. Federal Highway Administration TFHRC Concrete Materials Laboratory. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-25-044, ROSA P. https://rosap.ntl.bts.gov/view/dot/86266.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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This brochure provides information regarding pathways to a career within the Turner-Fairbank Research Center. The areas included are: Summer Transportation Internship Program for Diverse Groups (STIPDG), Office of Personnel Management Pathways Programs, FHWA Professional Development Program (PDP), National Academy of Sciences/National Research Coun
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United States. Department of Transportation. Federal Highway Administration (2025). Pathways to Careers in Federal Highway Research [2025 Brochure] (Report No. FHWA-HRT-25-046). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521549
United States. Department of Transportation. Federal Highway Administration. Pathways to Careers in Federal Highway Research [2025 Brochure]. Report no. FHWA-HRT-25-046. United States. Department of Transportation. Federal Highway Administration, 2025. https://doi.org/10.21949/1521549.
United States. Department of Transportation. Federal Highway Administration Pathways to Careers in Federal Highway Research [2025 Brochure]. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-25-046, ROSA P. https://doi.org/10.21949/1521549.
United States. Department of Transportation. Federal Highway Administration
2025-01-01
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FHWA R&T Now
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A newsletter about research, development, and technology (RD&T) at the U.S. Department of Transportation’s (USDOT) Federal Highway Administration (FHWA).
United States. Department of Transportation. Federal Highway Administration (2025). FHWA R&T Now [January 2025] (Report No. FHWA-HRT-25-045). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521548
United States. Department of Transportation. Federal Highway Administration. FHWA R&T Now [January 2025]. Report no. FHWA-HRT-25-045. United States. Department of Transportation. Federal Highway Administration, 2025. https://doi.org/10.21949/1521548.
United States. Department of Transportation. Federal Highway Administration FHWA R&T Now [January 2025]. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-HRT-25-045, ROSA P. https://doi.org/10.21949/1521548.
This handbook provides practitioners with information on how to conduct an engineering study to set a speed limit for a speed zone based on the provisions in the Manual on Uniform Traffic Control Devices for Streets and Highways (MUTCD). The discussion includes preparing for the study, the factors to consider, the data-collection process, evaluatin
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Schroeder, B., Neuner, M., Knudsen, J., Ryus, P., Kautz, N., Delich, L., & Bedsole, L. (2025). Speed Limit Setting Handbook (Report No. FHWA-SA-24-063). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/82276
Schroeder, Bastian, Michelle Neuner, Julia Knudsen, Paul Ryus, Nathan Kautz, Lauren Delich, and Lisa Bedsole. Speed Limit Setting Handbook. Report no. FHWA-SA-24-063. United States. Department of Transportation. Federal Highway Administration, 2025. https://rosap.ntl.bts.gov/view/dot/82276.
Schroeder, Bastian, et al. Speed Limit Setting Handbook. United States. Department of Transportation. Federal Highway Administration, 2025, Report no. FHWA-SA-24-063, ROSA P. https://rosap.ntl.bts.gov/view/dot/82276.
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