United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-05-01
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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 (2021). Traffic Volume Trends: May 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/57061
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: May 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/57061.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: May 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/57061.
Every Day Counts (EDC) is the Federal Highway Administration’s (FHWA’s) program to advance a culture of innovation in the transportation community in partnership with public and private stakeholders. Through this State-based effort, FHWA coordinates rapid deployment of proven strategies and technologies to shorten the project delivery process, enha
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United States. Federal Highway Administration (2021). Every Day Counts: Innovation for a Nation on the Move - EDC-6 Summit Summary and Baseline Report, May 2021 (Report No. FHWA-21-CAI-020). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56288
United States. Federal Highway Administration. Every Day Counts: Innovation for a Nation on the Move - EDC-6 Summit Summary and Baseline Report, May 2021. Report no. FHWA-21-CAI-020. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56288.
United States. Federal Highway Administration Every Day Counts: Innovation for a Nation on the Move - EDC-6 Summit Summary and Baseline Report, May 2021. United States. Federal Highway Administration, 2021, Report no. FHWA-21-CAI-020, ROSA P. https://rosap.ntl.bts.gov/view/dot/56288.
The purpose of this report is to document a simulation-based case study completed by the project team to investigate the effectiveness of SAE J3016 Level 1 automation technology for mitigating or solving existing transportation problems related to congestion, fuel consumption, and emissions (SAE International 2016). The case study conducted simulat
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Ma, J., Guo, Y., & Huang, Z. (2021). Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications: A Case Study for I-66 in Virginia (Report No. FHWA-HRT-21-050). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56284
Ma, Jiaqi, Yi Guo, and Zhitong Huang. Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications: A Case Study for I-66 in Virginia. Report no. FHWA-HRT-21-050. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56284.
Ma, Jiaqi, et al. Developing Analysis, Modeling, and Simulation Tools for Connected and Automated Vehicle Applications: A Case Study for I-66 in Virginia. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-050, ROSA P. https://rosap.ntl.bts.gov/view/dot/56284.
TMSs and their TMCs are critical resources that offer agencies the potential to improve the safety and mobility of travel on the surface transportation system. TMSs have also been deployed or are being enhanced to assist agencies in fulfilling the ever-increasing transportation needs of travelers (e.g., travel times), service providers (e.g., trans
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United States. Federal Highway Administration (2021). Traffic Management Center (TMC) Pooled-Fund Study (PFS) [fact sheet] (Report No. FHWA-HRT-21-061). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56063
United States. Federal Highway Administration. Traffic Management Center (TMC) Pooled-Fund Study (PFS) [fact sheet]. Report no. FHWA-HRT-21-061. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56063.
United States. Federal Highway Administration Traffic Management Center (TMC) Pooled-Fund Study (PFS) [fact sheet]. United States. Federal Highway Administration, 2021, Report no. FHWA-HRT-21-061, ROSA P. https://rosap.ntl.bts.gov/view/dot/56063.
The purpose of roadside barrier systems is to reduce the severity of injuries and number of fatalities by controlling and mitigating crash forces. While barrier systems have been designed and proven to be beneficial for motor vehicles they do not currently address the problems associated with motorcycle crashes. This synthesis of research presented
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Dobrovolny, C. S., Geary, G., Dixon, K., Manser, M., & Chauhan, J. (2021). Addressing the Motorcyclist Advisory Council Recommendations: Synthesis on Barrier Design for Motorcyclists Safety (Report No. FHWA-SA-21-069). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/56065
Dobrovolny, Chiara Silvestri, Georgene Geary, Karen Dixon, Michael Manser, and Jayveersinh Chauhan. Addressing the Motorcyclist Advisory Council Recommendations: Synthesis on Barrier Design for Motorcyclists Safety. Report no. FHWA-SA-21-069. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021. https://rosap.ntl.bts.gov/view/dot/56065.
Dobrovolny, Chiara Silvestri, et al. Addressing the Motorcyclist Advisory Council Recommendations: Synthesis on Barrier Design for Motorcyclists Safety. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021, Report no. FHWA-SA-21-069, ROSA P. https://rosap.ntl.bts.gov/view/dot/56065.
The Acadiana Planning Commission (APC) is the metropolitan planning organization (MPO) covering the Lafayette, Louisiana urbanized area. Although Lafayette proper is highly urban, the MPO in total covers a seven-parish area in southern Louisiana that also includes low density rural communities. The number and diversity of local partnerships that co
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Hamilton, I., Scopatz, R. A., & Chestnutt, C. (2021). Data Governance: Louisiana's Local Government Partnerships (Report No. FHWA-SA-21-017). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/58083
Hamilton, Ian, Robert A. Scopatz, and C. Chestnutt. Data Governance: Louisiana's Local Government Partnerships. Report no. FHWA-SA-21-017. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021. https://rosap.ntl.bts.gov/view/dot/58083.
Hamilton, Ian, et al. Data Governance: Louisiana's Local Government Partnerships. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2021, Report no. FHWA-SA-21-017, ROSA P. https://rosap.ntl.bts.gov/view/dot/58083.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-05-01
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FHWA has constructed a national vehicle miles traveled (VMT) forecasting model where future VMT growth rates can be estimated for three major economic scenarios - normal, pessimistic, and optimistic growth. The normal growth scenario represents the most Likely economic outlook reflects IHS' assessment of most probable future trends in U.S. populati
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2021). FHWA Forecasts of Vehicle Miles Traveled (VMT): Spring 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/57554
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. FHWA Forecasts of Vehicle Miles Traveled (VMT): Spring 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021. https://rosap.ntl.bts.gov/view/dot/57554.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information FHWA Forecasts of Vehicle Miles Traveled (VMT): Spring 2021. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/57554.
The Accessible Transportation Technologies Research Initiative (ATTRI) Program provides a venue that funds transit projects and technology development projects, which improves access to mobility and transportation for individuals with disabilities, older people, and veterans with disabilities. For each of the 5 current ATTRI projects, the ATTRI Ind
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Caspi, A., Hallenbeck, M., Konda, V., & Cottrell, D. (2021). Accessible Transportation Technologies Research Initiative (ATTRI) Performance Metrics and Evaluation: Evaluation: Plan for the AbleLink Wayfinding Standard To Facilitate Independent Use of Public Transit by Individuals With Cognitive Disabilities (Report No. DOT/FRA/ORD-21/23). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/57309
Caspi, Anat, Mark Hallenbeck, Varsha Konda, and Dylan Cottrell. Accessible Transportation Technologies Research Initiative (ATTRI) Performance Metrics and Evaluation: Evaluation: Plan for the AbleLink Wayfinding Standard To Facilitate Independent Use of Public Transit by Individuals With Cognitive Disabilities. Report no. DOT/FRA/ORD-21/23. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2021. https://rosap.ntl.bts.gov/view/dot/57309.
Caspi, Anat, et al. Accessible Transportation Technologies Research Initiative (ATTRI) Performance Metrics and Evaluation: Evaluation: Plan for the AbleLink Wayfinding Standard To Facilitate Independent Use of Public Transit by Individuals With Cognitive Disabilities. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2021, Report no. DOT/FRA/ORD-21/23, ROSA P. https://rosap.ntl.bts.gov/view/dot/57309.
This report highlights findings from Phase I of a project designed to evaluate the ruggedness of the standards for cyclic fatigue testing using an Asphalt Mixture Performance Tester (AMPT). These standards include AASHTO TP 107-18 and 133-19, which are applicable to 100-mm diameter and 38-mm diameter test specimens, respectively. The ruggedness eva
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Castorena, C., Underwood, B. S., Kim, Y. R., Lee, K., Tran, N. H., & Taylor, A. (2021). Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase I Report (Report No. FHWA-HRT-21-057). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/57259
Castorena, Cassie, B. Shane Underwood, Y. Richard Kim, Kangjin Lee, Nam H. Tran, and Adam Taylor. Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase I Report. Report no. FHWA-HRT-21-057. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021. https://rosap.ntl.bts.gov/view/dot/57259.
Castorena, Cassie, et al. Ruggedness and Interlaboratory Studies for Asphalt Mixture Performance Tester (AMPT) Cyclic Fatigue Test: Phase I Report. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2021, Report no. FHWA-HRT-21-057, ROSA P. https://rosap.ntl.bts.gov/view/dot/57259.
The GIS in Transportation team publishes quarterly newsletters to share information about significant geospatial transportation news, events, and applications. Each issue highlights a specific transportation agency's application of GIS or geospatial data and technology.
United States. Federal Highway Administration (2021). GIS in Transportation: May 2021. United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/56298
United States. Federal Highway Administration. GIS in Transportation: May 2021. United States. Federal Highway Administration, 2021. https://rosap.ntl.bts.gov/view/dot/56298.
United States. Federal Highway Administration GIS in Transportation: May 2021. United States. Federal Highway Administration, 2021, ROSA P. https://rosap.ntl.bts.gov/view/dot/56298.
This document is a technical summary of the Federal Highway Administration Report Impacts of Automated Vehicles on Highway Infrastructure (FHWA-HRT-21-015) (Gopalakrishna et al. 2020).
Gopalakrishna, D., Carlson, P., & Raghunathan, D. (2021). Impacts of Automated Vehicles on Highway Infrastructure [tech brief] (Report No. FHWA-HRT-21-051). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/56405
Gopalakrishna, Deepak, Paul Carlson, and Deepak Raghunathan. Impacts of Automated Vehicles on Highway Infrastructure [tech brief]. Report no. FHWA-HRT-21-051. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2021. https://rosap.ntl.bts.gov/view/dot/56405.
Gopalakrishna, Deepak, et al. Impacts of Automated Vehicles on Highway Infrastructure [tech brief]. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2021, Report no. FHWA-HRT-21-051, ROSA P. https://rosap.ntl.bts.gov/view/dot/56405.
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.
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