The Cooperative Driving Automation (CDA) Annual Report highlights the achievements of the CDA program and discusses the use cases that were created and researched to further overall CDA program objectives to enable a cooperative, safe, efficient, and sustainable transportation system for all users. This report also details engagement activities wit
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Balse, A., Bellamkonda, M., Huang, Z., Laqui, R., Marwadi, S., Moyer, S., Nieto, F., Osman, O. A., Racha, S., Rashid, K. M., Soleimaniamiri, S., & Lou, Y. (2024). Cooperative Automated Driving Program Annual Report: 2023 Edition (Report No. FHWA-HRT-24-163). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521607
Balse, Animesh, Mitali Bellamkonda, Zhitong Huang, Robin Laqui, Shreekant Marwadi, Stephen Moyer, and Frank Nieto, et al.. Cooperative Automated Driving Program Annual Report: 2023 Edition. Report no. FHWA-HRT-24-163. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521607.
Balse, Animesh, et al. Cooperative Automated Driving Program Annual Report: 2023 Edition. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-163, ROSA P. https://doi.org/10.21949/1521607.
The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of Ohio HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1997–2017) are available upon request to the virtual HSIS Labora
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Porter, R. J., Hamilton, I., Chestnutt, C., Kersavage, K., & Cohen, T. (2024). Highway Safety Information System Guidebook for the Ohio Data Files (Report No. FHWA-HRT-24-122). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1521570
Porter, Richard J., Ian Hamilton, Catherine Chestnutt, Kristin Kersavage, and Tal Cohen. Highway Safety Information System Guidebook for the Ohio Data Files. Report no. FHWA-HRT-24-122. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://doi.org/10.21949/1521570.
Porter, Richard J., et al. Highway Safety Information System Guidebook for the Ohio Data Files. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-122, ROSA P. https://doi.org/10.21949/1521570.
This report summarizes the Freeway Management Survey findings of the 2023 Intelligent Transportation Systems (ITS) Deployment Tracking Survey. From 1999 to 2020, the ITS Joint Program Office (JPO) used the ITS Deployment Tracking Survey on an ongoing basis to collect information about ITS deployment in a subset of metropolitan areas across the Unit
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Aaron, E., Lynch, S., Petrella, M., Plotnick, S., Roycroft, C., Chajka-Cadin, L., & Herman, A. (2024). Intelligent Transportation Systems Deployment Tracking Survey: 2023 Freeway Management Survey Findings (Report No. FHWA-JPO-24-141). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/77984
Aaron, Evelyn, Samuel Lynch, Margaret Petrella, Sarah Plotnick, Claire Roycroft, Lora Chajka-Cadin, and Arielle Herman. Intelligent Transportation Systems Deployment Tracking Survey: 2023 Freeway Management Survey Findings. Report no. FHWA-JPO-24-141. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2024. https://rosap.ntl.bts.gov/view/dot/77984.
Aaron, Evelyn, et al. Intelligent Transportation Systems Deployment Tracking Survey: 2023 Freeway Management Survey Findings. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2024, Report no. FHWA-JPO-24-141, ROSA P. https://rosap.ntl.bts.gov/view/dot/77984.
United States. Department of Transportation. Federal Highway Administration
2024-10-01
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This document identifies principles, goals, and strategies that are critical for meeting TFHRC’s long-term mission and vision. This document serves as a focusing framework for TFHRC leadership to support strategic initiatives, continuous improvement efforts, and stakeholder engagement over the next decade and beyond.
United States. Department of Transportation. Federal Highway Administration (2024). Turner-Fairbank Highway Research Center (TFHRC) Long-Range Plan (Report No. FHWA-HRT-24-190). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521528
United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center (TFHRC) Long-Range Plan. Report no. FHWA-HRT-24-190. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521528.
United States. Department of Transportation. Federal Highway Administration Turner-Fairbank Highway Research Center (TFHRC) Long-Range Plan. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-190, ROSA P. https://doi.org/10.21949/1521528.
This report summarizes the Transit Management Survey findings of the 2023 Intelligent Transportation Systems (ITS) Deployment Tracking Survey. From 1999 to 2020, the ITS Joint Program Office (JPO) used the ITS Deployment Tracking Survey on an ongoing basis to collect information about ITS deployment in a subset of metropolitan areas across the Unit
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Chajka-Cadin, L., Herman, A., Petrella, M., Plotnick, S., Aaron, E., Lynch, S., & Roycroft, C. (2024). Intelligent Transportation Systems Deployment Tracking Survey: 2023 Transit Management Survey Findings (Report No. FHWA-JPO-24-143). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/77986
Chajka-Cadin, Lora, Arielle Herman, Margaret Petrella, Sarah Plotnick, Evelyn Aaron, Samuel Lynch, and Claire Roycroft. Intelligent Transportation Systems Deployment Tracking Survey: 2023 Transit Management Survey Findings. Report no. FHWA-JPO-24-143. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2024. https://rosap.ntl.bts.gov/view/dot/77986.
Chajka-Cadin, Lora, et al. Intelligent Transportation Systems Deployment Tracking Survey: 2023 Transit Management Survey Findings. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2024, Report no. FHWA-JPO-24-143, ROSA P. https://rosap.ntl.bts.gov/view/dot/77986.
This report summarizes the Arterial Management Survey findings of the 2023 Intelligent Transportation Systems (ITS) Deployment Tracking Survey. From 1999 to 2020, the ITS Joint Program Office (JPO) used the ITS Deployment Tracking Survey on an ongoing basis to collect information about ITS deployment in a subset of metropolitan areas across the Uni
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Aaron, E., Lynch, S., Petrella, M., Plotnick, S., Roycroft, C., Chajka-Cadin, L., & Herman, A. (2024). Intelligent Transportation Systems Deployment Tracking Survey: 2023 Arterial Management Survey Findings (Report No. FHWA-JPO-24-142). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/77985
Aaron, Evelyn, Samuel Lynch, Margaret Petrella, Sarah Plotnick, Claire Roycroft, Lora Chajka-Cadin, and Arielle Herman. Intelligent Transportation Systems Deployment Tracking Survey: 2023 Arterial Management Survey Findings. Report no. FHWA-JPO-24-142. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2024. https://rosap.ntl.bts.gov/view/dot/77985.
Aaron, Evelyn, et al. Intelligent Transportation Systems Deployment Tracking Survey: 2023 Arterial Management Survey Findings. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2024, Report no. FHWA-JPO-24-142, ROSA P. https://rosap.ntl.bts.gov/view/dot/77985.
United States. Department of Transportation. Federal Highway Administration
2024-10-01
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This brochure highlights the advantages of becoming a partner of the Complete Streets Transportation Pooled Fund (TPF) Study and how to go about doing so.
United States. Department of Transportation. Federal Highway Administration (2024). Complete Streets Transportation Pooled Fund (TPF) Study (Report No. FHWA-HRT-24-176). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521516
United States. Department of Transportation. Federal Highway Administration. Complete Streets Transportation Pooled Fund (TPF) Study. Report no. FHWA-HRT-24-176. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521516.
United States. Department of Transportation. Federal Highway Administration Complete Streets Transportation Pooled Fund (TPF) Study. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-176, ROSA P. https://doi.org/10.21949/1521516.
A Complete Street is safe and feels safe for everyone using the street (including pedestrians, bicyclists, public transportation users, children, older individuals, individuals with disabilities, motorists, and freight vehicles). In addition to safety and equity, Complete Streets applications may improve economic vitality. Operations addresses the
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Schroeder, B., Ryus, P., Hattaway, B., Schaffer, K. G., Hale, D., Coyner, K., Hicks, J., & Dobrota, N. (2024). Introduction to the Role of Operations Strategies and Treatments in Complete Streets Projects (Report No. FHWA-HOP-24-038). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/78868
Schroeder, Bastian, Paul Ryus, Billy Hattaway, Kaitlyn G. Schaffer, David Hale, Kelley Coyner, John Hicks, and Nemanja Dobrota. Introduction to the Role of Operations Strategies and Treatments in Complete Streets Projects. Report no. FHWA-HOP-24-038. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/78868.
Schroeder, Bastian, et al. Introduction to the Role of Operations Strategies and Treatments in Complete Streets Projects. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HOP-24-038, ROSA P. https://rosap.ntl.bts.gov/view/dot/78868.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-10-01
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This fact sheet highlights the test case that proved the benefits of Cooperative Automated Vehicles (CDA) application in signalized intersections, with advanced traffic signal control capabilities and that helped provide a better understanding of its advantages.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2024). Advanced Traffic Signal Control Optimization in a Cooperative Driving Automation Environment (Report No. FHWA-HRT-24-151). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1521596
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Advanced Traffic Signal Control Optimization in a Cooperative Driving Automation Environment. Report no. FHWA-HRT-24-151. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://doi.org/10.21949/1521596.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Advanced Traffic Signal Control Optimization in a Cooperative Driving Automation Environment. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-151, ROSA P. https://doi.org/10.21949/1521596.
United States. Department of Transportation. Federal Highway Administration
2024-10-01
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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 (2024). FHWA R&T Now [October 2024] (Report No. FHWA-HRT-24-174). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521515
United States. Department of Transportation. Federal Highway Administration. FHWA R&T Now [October 2024]. Report no. FHWA-HRT-24-174. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521515.
United States. Department of Transportation. Federal Highway Administration FHWA R&T Now [October 2024]. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-174, ROSA P. https://doi.org/10.21949/1521515.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-10-01
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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 (2024). Traffic Volume Trends: August 2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/78285
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: August 2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/78285.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: August 2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/78285.
United States. Department of Transportation. Federal Highway Administration
2024-09-30
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Knowing that in-place density is key for building cost-effective and durable asphalt pavements, the Federal Highway Administration (FHWA) initiated the “Enhanced Durability of Asphalt Pavements through Increased In-place Pavement Density” demonstration project.
United States. Department of Transportation. Federal Highway Administration (2024). Density Demonstration Projects: Strategies for Improving Asphalt Pavement Density (Report No. FHWA-HIF-24-091). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/89855
United States. Department of Transportation. Federal Highway Administration. Density Demonstration Projects: Strategies for Improving Asphalt Pavement Density. Report no. FHWA-HIF-24-091. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/89855.
United States. Department of Transportation. Federal Highway Administration Density Demonstration Projects: Strategies for Improving Asphalt Pavement Density. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HIF-24-091, ROSA P. https://rosap.ntl.bts.gov/view/dot/89855.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-09-25
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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 (2024). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 51, Data Complete Through 9/20/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/77857
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. 51, Data Complete Through 9/20/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/77857.
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. 51, Data Complete Through 9/20/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/77857.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-09-18
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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 (2024). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 50, Data Complete Through 9/13/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/77856
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. 50, Data Complete Through 9/13/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/77856.
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. 50, Data Complete Through 9/13/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/77856.
The Federal Highway Administration Smartphone Travel Incentive Study was designed to examine the ability to sway individual travel decisions away from drive-alone trips through smartphone-based nudging and incentives. The approaches for recruiting and retaining users, along with the significant challenges encountered and related lessons learned, ar
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Papayannoulis, V., Clemon, C., Hsieh, R., Chen, J., Chiu, Y. C., Dhuri, S., & Greenberg, A. (2024). Smartphone Travel Incentives Study: Final Report (Report No. FHWA-HOP-24-078). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/80413
Papayannoulis, Vassilis, Chris Clemon, Robert Hsieh, Julia Chen, Yi-Chang Chiu, Sunil Dhuri, and Allen Greenberg. Smartphone Travel Incentives Study: Final Report. Report no. FHWA-HOP-24-078. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2024. https://rosap.ntl.bts.gov/view/dot/80413.
Papayannoulis, Vassilis, et al. Smartphone Travel Incentives Study: Final Report. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2024, Report no. FHWA-HOP-24-078, ROSA P. https://rosap.ntl.bts.gov/view/dot/80413.
United States. Department of Transportation. Federal Highway Administration
2024-09-13
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FHWA's Fostering Multimodal Connectivity Newsletter
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The Federal Highway Administration's (FHWA's) Fostering Multimodal Connectivity Newsletter is intended to provide transportation professionals with real-world examples of ways that multimodal transportation investments promote economic revitalization, provide access to jobs, and achieve safer communities through support of accelerated project deliv
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United States. Department of Transportation. Federal Highway Administration (2024). FHWA's Fostering Multimodal Connectivity Newsletter - Summer 2024 (Report No. FHWA-HEP-24-048). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77709
United States. Department of Transportation. Federal Highway Administration. FHWA's Fostering Multimodal Connectivity Newsletter - Summer 2024. Report no. FHWA-HEP-24-048. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/77709.
United States. Department of Transportation. Federal Highway Administration FHWA's Fostering Multimodal Connectivity Newsletter - Summer 2024. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HEP-24-048, ROSA P. https://rosap.ntl.bts.gov/view/dot/77709.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-09-11
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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 (2024). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 49, Data Complete Through 9/6/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/77596
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. 49, Data Complete Through 9/6/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/77596.
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. 49, Data Complete Through 9/6/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/77596.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-09-05
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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 (2024). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 48, Data Complete Through 8/30/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/77595
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. 48, Data Complete Through 8/30/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/77595.
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. 48, Data Complete Through 8/30/2024. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/77595.
The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of North Carolina HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1990–2017) are available upon request to the virtual H
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Porter, R. J., Hamilton, I., Chestnutt, C., Kersavage, K., & Cohen, T. (2024). Highway Safety Information System Guidebook for the North Carolina Data Files (Report No. FHWA-HRT-24-108). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1521780
Porter, Richard J., Ian Hamilton, Catherine Chestnutt, Kristin Kersavage, and Tal Cohen. Highway Safety Information System Guidebook for the North Carolina Data Files. Report no. FHWA-HRT-24-108. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://doi.org/10.21949/1521780.
Porter, Richard J., et al. Highway Safety Information System Guidebook for the North Carolina Data Files. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-108, ROSA P. https://doi.org/10.21949/1521780.
The Highway Safety Information System (HSIS) is composed of seven States and one urban center. The HSIS Program provides linked crash, roadway, and traffic volume data. This guidebook supports the use of Maine HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1985 –2017) are available upon request to the virtual HSIS Labo
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Porter, R. J., Hamilton, I., Chestnutt, C., Kersavage, K., & Cohen, T. (2024). Highway Safety Information System Guidebook for the Maine Data Files (Report No. FHWA-HRT-24-107). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1521779
Porter, Richard J., Ian Hamilton, Catherine Chestnutt, Kristin Kersavage, and Tal Cohen. Highway Safety Information System Guidebook for the Maine Data Files. Report no. FHWA-HRT-24-107. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://doi.org/10.21949/1521779.
Porter, Richard J., et al. Highway Safety Information System Guidebook for the Maine Data Files. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-107, ROSA P. https://doi.org/10.21949/1521779.
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