This document provides information to aid in understanding and using the Long-Term Pavement Performance (LTPP) program's Pavement Performance Database (PPDB), LTPP Traffic Analysis Software (LTAS) database, and contents of the Ancillary Information Management System (AIMS) and LTPP InfoPaveTM. This report describes the structure of the LTPP program
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Elkins, G. E., & Ostrom, B. (2021). Long-Term Pavement Performance Information Management System User Guide (Report No. FHWA-HRT-21-038). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/55790
Elkins, Gary E. and Barbara Ostrom. Long-Term Pavement Performance Information Management System User Guide. Report no. FHWA-HRT-21-038. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021. https://rosap.ntl.bts.gov/view/dot/55790.
Elkins, Gary E., and Barbara Ostrom Long-Term Pavement Performance Information Management System User Guide. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021, Report no. FHWA-HRT-21-038, ROSA P. https://rosap.ntl.bts.gov/view/dot/55790.
Cable-stayed bridges have been recognized as the most efficient and cost effective structural form for medium- to long-span bridges over the past several decades. With their widespread use, cases of serviceability problems associated with large-amplitude vibration of stay cables have been reported. Stay cables are laterally flexible structural memb
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Bosch, H. R., & Pagenkopf, J. R. (2021). Dynamic Properties of Stay Cables on the Leonard P. Zakim Bunker Hill Bridge (Report No. FHWA-HRT-21-058). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/57263
Bosch, Harold R. and James R. Pagenkopf. Dynamic Properties of Stay Cables on the Leonard P. Zakim Bunker Hill Bridge. Report no. FHWA-HRT-21-058. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021. https://rosap.ntl.bts.gov/view/dot/57263.
Bosch, Harold R., and James R. Pagenkopf Dynamic Properties of Stay Cables on the Leonard P. Zakim Bunker Hill Bridge. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021, Report no. FHWA-HRT-21-058, ROSA P. https://rosap.ntl.bts.gov/view/dot/57263.
This updated Rails-with-Trails: Lessons Learned report documents how the state of the practice, perspectives, and context for rails-with-trails has evolved since 2002 and identifies updated effective practices for each phase of a rail-with-trail project, from development to design to construction, operation, and maintenance.
Fijalkowski, J., Filosa, G., Young, J., Lucivero, A., Ferster, A., Griffen, E., & Pack, K. (2021). Rails-with-Trails: Lessons Learned (Report No. FHWA-HEP-21-017;DOT-VNTSC-FHWA-21-08). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/58176
Fijalkowski, Jared, Gina Filosa, Jamie Young, Anthony Lucivero, Andrea Ferster, Eli Griffen, and Kelly Pack. Rails-with-Trails: Lessons Learned. Report no. FHWA-HEP-21-017;DOT-VNTSC-FHWA-21-08. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/58176.
Fijalkowski, Jared, et al. Rails-with-Trails: Lessons Learned. United States. Federal Highway Administration, 2021, Report no. FHWA-HEP-21-017;DOT-VNTSC-FHWA-21-08, ROSA P. https://rosap.ntl.bts.gov/view/dot/58176.
As part of the 2017 United States Department of Transportation (USDOT) Federal Highway Administration (FHWA) Roadway Surface Transportation Cybersecurity Framework project with Institute of Transportation Engineers (ITE), gaps were identified regarding the sharing of information amongst transportation stakeholders such as Infrastructure Owner Opera
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Ramon, M. C., & Dodson, A. T. (2021). Transportation Cybersecurity Incident Response and Management Framework: Cybersecurity Incident Exercise Summary Report (Report No. FHWA-JPO-21-850). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/57311
Ramon, Marisa C and Austin T Dodson. Transportation Cybersecurity Incident Response and Management Framework: Cybersecurity Incident Exercise Summary Report. Report no. FHWA-JPO-21-850. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/57311.
Ramon, Marisa C, and Austin T Dodson Transportation Cybersecurity Incident Response and Management Framework: Cybersecurity Incident Exercise Summary Report. United States. Department of Transportation. Federal Highway Administration, 2021, Report no. FHWA-JPO-21-850, ROSA P. https://rosap.ntl.bts.gov/view/dot/57311.
This document describes the features of Paver-Mounted Thermal Profilers (PMTP).
United States. Federal Highway Administration (2021). Technology Deployed in MATC: Paver-Mounted Thermal Profiler (PMTP) (Report No. FHWA-HIF-21-033). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56593
United States. Federal Highway Administration. Technology Deployed in MATC: Paver-Mounted Thermal Profiler (PMTP). Report no. FHWA-HIF-21-033. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56593.
United States. Federal Highway Administration Technology Deployed in MATC: Paver-Mounted Thermal Profiler (PMTP). United States. Federal Highway Administration, 2021, Report no. FHWA-HIF-21-033, ROSA P. https://rosap.ntl.bts.gov/view/dot/56593.
The Federal Highway Administration's Long-Term Pavement Performance (LTPP) program issues a triannual newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, pooled fund studies, and dat
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Long-Term Pavement Performance Program (U.S.) (2021). LTPP Newsletter - Spring Issue - May 2021 (Report No. FHWA-HRT-21-062). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56283
Long-Term Pavement Performance Program (U.S.). LTPP Newsletter - Spring Issue - May 2021. Report no. FHWA-HRT-21-062. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56283.
Long-Term Pavement Performance Program (U.S.) LTPP Newsletter - Spring Issue - May 2021. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-062, ROSA P. https://rosap.ntl.bts.gov/view/dot/56283.
United States. Federal Highway Administration. Center for Accelerating Innovation
2021-05-01
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Innovator, published by the FHWA Center for Accelerating Innovation, advances implementation of innovative technologies and processes in the highway industry. Its audience is transportation professionals in highway agencies, trade and research groups, academia and the private sector, and the driving public.
United States. Federal Highway Administration. Center for Accelerating Innovation (2021). Innovator - May/June 2021 - Volume 14, Issue 84 (Report No. FHWA-21-CAI-019). United States. Federal Highway Administration. Center for Accelerating Innovation. https://rosap.ntl.bts.gov/view/dot/55906
United States. Federal Highway Administration. Center for Accelerating Innovation. Innovator - May/June 2021 - Volume 14, Issue 84. Report no. FHWA-21-CAI-019. United States. Federal Highway Administration. Center for Accelerating Innovation, 2021. https://rosap.ntl.bts.gov/view/dot/55906.
United States. Federal Highway Administration. Center for Accelerating Innovation Innovator - May/June 2021 - Volume 14, Issue 84. United States. Federal Highway Administration. Center for Accelerating Innovation, 2021, Report no. FHWA-21-CAI-019, ROSA P. https://rosap.ntl.bts.gov/view/dot/55906.
Historically, crashes have been viewed as the result of an error on the part of the individual roadway user—a law or rule was broken, a wrong decision made. The Safe System approach acknowledges that humans make mistakes and, importantly, are vulnerable to the forces that occur during a crash. By focusing on eliminating fatal and serious injuries t
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Goughnour, E., Peach, K., Dunn, M., Mitman, M., & Gelinne, D. (2021). Primer on Safe System Approach for Pedestrians and Bicyclists (Report No. FHWA-SA-21-065). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/57314
Goughnour, Elissa, Kara Peach, Michael Dunn, Meghan Mitman, and Dan Gelinne. Primer on Safe System Approach for Pedestrians and Bicyclists. Report no. FHWA-SA-21-065. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021. https://rosap.ntl.bts.gov/view/dot/57314.
Goughnour, Elissa, et al. Primer on Safe System Approach for Pedestrians and Bicyclists. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021, Report no. FHWA-SA-21-065, ROSA P. https://rosap.ntl.bts.gov/view/dot/57314.
This document describes the features of Dielectric Profiling Systems (DPS).
United States. Federal Highway Administration (2021). Technology Deployed in MATC: Dielectric Profiling System (DPS) (Report No. FHWA-HIF-21-039). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56597
United States. Federal Highway Administration. Technology Deployed in MATC: Dielectric Profiling System (DPS). Report no. FHWA-HIF-21-039. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56597.
United States. Federal Highway Administration Technology Deployed in MATC: Dielectric Profiling System (DPS). United States. Federal Highway Administration, 2021, Report no. FHWA-HIF-21-039, ROSA P. https://rosap.ntl.bts.gov/view/dot/56597.
This document describes the features of Circular Track Meters (CTM).
United States. Federal Highway Administration (2021). Technology Deployed in MATC: Circular Track Meter (CTM) (Report No. FHWA-HIF-21-034). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56596
United States. Federal Highway Administration. Technology Deployed in MATC: Circular Track Meter (CTM). Report no. FHWA-HIF-21-034. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56596.
United States. Federal Highway Administration Technology Deployed in MATC: Circular Track Meter (CTM). United States. Federal Highway Administration, 2021, Report no. FHWA-HIF-21-034, ROSA P. https://rosap.ntl.bts.gov/view/dot/56596.
While sulfate-induced corrosion problems have been observed in segregated grout, the existing literature lacks useful information about the role of sulfate ions in the corrosion process. To produce empirical data on the corrosivity and concentration of water-soluble sulfate ions under different grout conditions, researchers performed a laboratory s
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Lee, S. K. (2021). Corrosivity of Water-Soluble Sulfate Ions in Simulated Pore Water Solutions and Different Types of Grout Samples (Report No. FHWA-HRT-21-052). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/56612
Lee, Seung-Kyoung. Corrosivity of Water-Soluble Sulfate Ions in Simulated Pore Water Solutions and Different Types of Grout Samples. Report no. FHWA-HRT-21-052. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021. https://rosap.ntl.bts.gov/view/dot/56612.
Lee, Seung-Kyoung Corrosivity of Water-Soluble Sulfate Ions in Simulated Pore Water Solutions and Different Types of Grout Samples. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021, Report no. FHWA-HRT-21-052, ROSA P. https://rosap.ntl.bts.gov/view/dot/56612.
This document describes the features of Pulse Induction Technology.
United States. Federal Highway Administration (2021). Technology Deployed in MATC: Pulse Induction Technology (Report No. FHWA-HIF-21-037). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56594
United States. Federal Highway Administration. Technology Deployed in MATC: Pulse Induction Technology. Report no. FHWA-HIF-21-037. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56594.
United States. Federal Highway Administration Technology Deployed in MATC: Pulse Induction Technology. United States. Federal Highway Administration, 2021, Report no. FHWA-HIF-21-037, ROSA P. https://rosap.ntl.bts.gov/view/dot/56594.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-05-01
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Monthly Motor Fuel Reported by States: May 2021 (Report No. FHWA-PL-21-038). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/58301
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Monthly Motor Fuel Reported by States: May 2021. Report no. FHWA-PL-21-038. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/58301.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Monthly Motor Fuel Reported by States: May 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, Report no. FHWA-PL-21-038, ROSA P. https://rosap.ntl.bts.gov/view/dot/58301.
As a critical part of the infrastructure system, long-span bridges can be exposed to extreme conditions, such as floods, scours, and hurricanes, or severe dynamic loads, for example due to seismic shaking, blast, or impact. In spite of their importance to the resilience of adjacent communities, their redundancy and ability to mobilize alternative l
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Agrawal, A. K., El-Tawil, S., Chen, Q., & Wang, H. (2021). Redundancy in Long-Span Bridges for Risk Mitigation in a Multi-Hazard Environment (Report No. FHWA-RC-22-0002). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/83879
Agrawal, Anil K., Sherif El-Tawil, Qian Chen, and Hongfan Wang. Redundancy in Long-Span Bridges for Risk Mitigation in a Multi-Hazard Environment. Report no. FHWA-RC-22-0002. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021. https://rosap.ntl.bts.gov/view/dot/83879.
Agrawal, Anil K., et al. Redundancy in Long-Span Bridges for Risk Mitigation in a Multi-Hazard Environment. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021, Report no. FHWA-RC-22-0002, ROSA P. https://rosap.ntl.bts.gov/view/dot/83879.
This document is intended to assist project managers who are planning deployment of connected vehicle (CV) systems in the procurement of Security Credential Management System (SCMS) services. A SCMS is a critical component of a connected vehicle environment serving as a message security solution for Vehicle-to-Everything (V2X). The content in this
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Noblis, Inc. (2021). Connected Vehicle Deployment Technical Assistance: Procurement Considerations for Security Credential Management System (SCMS) for a Connected Vehicle System Acquisition (Report No. FHWA-JPO-21-862). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office (ITS JPO). https://rosap.ntl.bts.gov/view/dot/92885
Noblis, Inc.. Connected Vehicle Deployment Technical Assistance: Procurement Considerations for Security Credential Management System (SCMS) for a Connected Vehicle System Acquisition. Report no. FHWA-JPO-21-862. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office (ITS JPO), 2021. https://rosap.ntl.bts.gov/view/dot/92885.
Noblis, Inc. Connected Vehicle Deployment Technical Assistance: Procurement Considerations for Security Credential Management System (SCMS) for a Connected Vehicle System Acquisition. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office (ITS JPO), 2021, Report no. FHWA-JPO-21-862, ROSA P. https://rosap.ntl.bts.gov/view/dot/92885.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-04-30
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The Weekly 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 Adminis
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 31, Data Complete Through 4/30/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/56527
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. 31, Data Complete Through 4/30/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/56527.
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. 31, Data Complete Through 4/30/2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/56527.
The Department of Transportation Appropriations Act, 2021, allows States and territories to repurpose certain funds originally earmarked for specific projects. This memorandum provides the implementing guidance for this provision.
Bezio, B. R. (2021). Guidance - Action: Repurposing of Earmarks FY 2021. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/78294
Bezio, Brian R.. Guidance - Action: Repurposing of Earmarks FY 2021. United States. Department of Transportation. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/78294.
Bezio, Brian R. Guidance - Action: Repurposing of Earmarks FY 2021. United States. Department of Transportation. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/78294.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2021-04-28
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As the nation develops an increasing reliance on technology and next generation transportation management, ensuring the availability of consistent, reliable data describing work zone events is critical to enabling agency management of highway operations. The FHWA is leading the Work Zone Data Initiative (WZDI) to improve the availability of informa
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2021). Utilizing Work Zone Event Data in Connected And Smarter Work Zone Applications - Maricopa County, Arizona (Report No. FHWA-HOP-20-022). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/55723
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Utilizing Work Zone Event Data in Connected And Smarter Work Zone Applications - Maricopa County, Arizona. Report no. FHWA-HOP-20-022. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2021. https://rosap.ntl.bts.gov/view/dot/55723.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Utilizing Work Zone Event Data in Connected And Smarter Work Zone Applications - Maricopa County, Arizona. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2021, Report no. FHWA-HOP-20-022, ROSA P. https://rosap.ntl.bts.gov/view/dot/55723.
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2021-04-27
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The Identifying Real-World Transportation Applications Using Artificial Intelligence (AI): Real-World AI Scenarios in Transportation for Possible Deployment report (July 2020, FHWA-JPO-20-810) identifies practical real-world scenarios where AI offers the potential to address specific transportation needs. These high-value scenarios serve as a templ
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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office (2021). Artificial Intelligence (AI) For Intelligent Transportation Systems (ITS) Program: Real-World AI Scenarios in Transportation for Possible Deployment. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/65749
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. Artificial Intelligence (AI) For Intelligent Transportation Systems (ITS) Program: Real-World AI Scenarios in Transportation for Possible Deployment. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2021. https://rosap.ntl.bts.gov/view/dot/65749.
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office Artificial Intelligence (AI) For Intelligent Transportation Systems (ITS) Program: Real-World AI Scenarios in Transportation for Possible Deployment. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/65749.
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2021-04-27
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AI is revolutionizing every walk of life, allowing machines to learn from experience, adapt, and perform tasks that have historically required human cognition. The ITS Joint Program Office (JPO) established research in AI as a priority area to accelerate adoption of AI by state and local agencies for addressing transportation problems. The Identify
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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office (2021). Artificial Intelligence (AI) for Intelligent Transportation Systems (ITS) Program: Potential Application of AI in Transportation. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/65750
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. Artificial Intelligence (AI) for Intelligent Transportation Systems (ITS) Program: Potential Application of AI in Transportation. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2021. https://rosap.ntl.bts.gov/view/dot/65750.
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office Artificial Intelligence (AI) for Intelligent Transportation Systems (ITS) Program: Potential Application of AI in Transportation. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/65750.
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