The Federal Highway Administration’s (FHWA) Office of Operations has actively engaged in the national deployment of Traffic Incident Management (TIM) programs since the office was deployed. Public agencies are increasingly using Unmanned Aircraft Systems (UAS) for a variety of purposes and are developing sections to coordinate UAS use. Several Law
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Carrick, G., & Burgess, L. (2022). Unmanned Aircraft Systems for Traffic Incident Management (Report No. FHWA-HOP-20-063). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/88244
Carrick, Grady and Lisa Burgess. Unmanned Aircraft Systems for Traffic Incident Management. Report no. FHWA-HOP-20-063. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2022. https://rosap.ntl.bts.gov/view/dot/88244.
Carrick, Grady, and Lisa Burgess Unmanned Aircraft Systems for Traffic Incident Management. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2022, Report no. FHWA-HOP-20-063, ROSA P. https://rosap.ntl.bts.gov/view/dot/88244.
This case study describes the Minnesota Department of Transportation’s (MnDOT's) use of the Enhanced Interchange Safety Analysis Tool (ISATe) as a part of a planning study for an approximately 7-mile segment of Interstate 35 (I-35) in Carlton County. I-35 carries commuter and recreational traffic, and it is a main freight corridor for the area. Mos
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Kersavage, K. (2022). Minnesota's I-35 Planning Study (Report No. FHWA-SA-21-077). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/63013
Kersavage, Kristin. Minnesota's I-35 Planning Study. Report no. FHWA-SA-21-077. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2022. https://rosap.ntl.bts.gov/view/dot/63013.
Kersavage, Kristin Minnesota's I-35 Planning Study. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2022, Report no. FHWA-SA-21-077, ROSA P. https://rosap.ntl.bts.gov/view/dot/63013.
The United States Department of Transportation Federal Highway Administration has initiated the CARMASM program to advance research and development of cooperative driving automation (CDA) to accelerate market readiness and deployment. CDA aims to improve the safety, traffic throughput, and energy efficiency of the transportation network by allowing
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Ghiasi, A., Goforth, W., Hale, D., Huang, Z., Racha, S., & Nallamothu, S. (2022). Cooperative Automation Research: High-Level Framework of CARMA Proof-of-Concept TSMO Use Case Testing for CARMA Streets (Report No. FHWA-HRT-21-107). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/60765
Ghiasi, Amir, Wade Goforth, David Hale, Zhitong Huang, Sujith Racha, and Sudhakar Nallamothu. Cooperative Automation Research: High-Level Framework of CARMA Proof-of-Concept TSMO Use Case Testing for CARMA Streets. Report no. FHWA-HRT-21-107. United States. Federal Highway Administration, 2022. https://rosap.ntl.bts.gov/view/dot/60765.
Ghiasi, Amir, et al. Cooperative Automation Research: High-Level Framework of CARMA Proof-of-Concept TSMO Use Case Testing for CARMA Streets. United States. Federal Highway Administration, 2022, Report no. FHWA-HRT-21-107, ROSA P. https://rosap.ntl.bts.gov/view/dot/60765.
This document is a technical summary of the Federal Highway Administration report, Comparative Effectiveness of Alternative Smartphone-Based Nudges to Reduce Cellphone Use While Driving: Final Report (FHWA-HRT-22-057).
Ebert, J., Xiong, A., Halpern, S., Winston, F. K., McDonald, C., Rosin, R., Volpp, K., Barnett, I., Small, D., Wiebe, D., Abdel-Rahman, D., Hemmons, J., Finegold, R., Kotrc, B., Radford, E., Fisher, W., Gaba, K., Everett, W., & Delgado, M. K. (2022). Summary Report: Comparative Effectiveness of Alternative Smartphone-Based Nudges to Reduce Cellphone Use While Driving: Final Report (Report No. FHWA-HRT-22-057). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/61036
Ebert, Jeffrey, Aria Xiong, Scott Halpern, Flaura K. Winston, Catherine McDonald, Roy Rosin, and Kevin Volpp, et al.. Summary Report: Comparative Effectiveness of Alternative Smartphone-Based Nudges to Reduce Cellphone Use While Driving: Final Report. Report no. FHWA-HRT-22-057. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2022. https://rosap.ntl.bts.gov/view/dot/61036.
Ebert, Jeffrey, et al. Summary Report: Comparative Effectiveness of Alternative Smartphone-Based Nudges to Reduce Cellphone Use While Driving: Final Report. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2022, Report no. FHWA-HRT-22-057, ROSA P. https://rosap.ntl.bts.gov/view/dot/61036.
This report is part of the Human Factors for Connected Vehicles (HFCV) program, whose goal is to minimize driver workload by eliminating connected vehicle (CV) device-related distractions. The research described in this document is part of an effort to develop initial design considerations for vehicle-to-pedestrian (V2P) safety messages provided to
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Hoekstra-Atwood, L., Richard, C. M., & Venkatraman, V. (2022). Multiple Sources of Safety Information from V2V and V2I: Phase II Final Safety Message Report (Report No. FHWA-HRT-22-013). United States. Department of Transportation. National Highway Traffic Safety Administration. https://rosap.ntl.bts.gov/view/dot/60200
Hoekstra-Atwood, Liberty, Christian M. Richard, and Vindhya Venkatraman. Multiple Sources of Safety Information from V2V and V2I: Phase II Final Safety Message Report. Report no. FHWA-HRT-22-013. United States. Department of Transportation. National Highway Traffic Safety Administration, 2022. https://rosap.ntl.bts.gov/view/dot/60200.
Hoekstra-Atwood, Liberty, et al. Multiple Sources of Safety Information from V2V and V2I: Phase II Final Safety Message Report. United States. Department of Transportation. National Highway Traffic Safety Administration, 2022, Report no. FHWA-HRT-22-013, ROSA P. https://rosap.ntl.bts.gov/view/dot/60200.
United States. Federal Highway Administration. Office of International Programs
2022-02-01
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The Office of International Programs works to discover, share, and promote global best practices and new technologies that improve the safety and efficiency of highway infrastructure. Our understanding of cultural and political nuances and differences between nations and our expertise in managing global relationships foster a culture of collaborati
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United States. Federal Highway Administration. Office of International Programs (2022). Select Learned Technologies and Best Practices From Across the Globe. United States. Federal Highway Administration. Office of International Programs. https://rosap.ntl.bts.gov/view/dot/87537
United States. Federal Highway Administration. Office of International Programs. Select Learned Technologies and Best Practices From Across the Globe. United States. Federal Highway Administration. Office of International Programs, 2022. https://rosap.ntl.bts.gov/view/dot/87537.
United States. Federal Highway Administration. Office of International Programs Select Learned Technologies and Best Practices From Across the Globe. United States. Federal Highway Administration. Office of International Programs, 2022, ROSA P. https://rosap.ntl.bts.gov/view/dot/87537.
United States. Department of Transportation. Federal Highway Administration
2022-02-01
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The BIL continues to allocate funds for a highway program in the Commonwealth of Puerto Rico. It also continues to allocate funds to assist the governments of the U.S. territories (American Samoa, the Commonwealth of the Northern Mariana Islands, Guam, and the U.S. Virgin Islands) in constructing and improving a system of arterial and collector hig
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United States. Department of Transportation. Federal Highway Administration (2022). Territorial and Puerto Rico Highway Program. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/78862
United States. Department of Transportation. Federal Highway Administration. Territorial and Puerto Rico Highway Program. United States. Department of Transportation. Federal Highway Administration, 2022. https://rosap.ntl.bts.gov/view/dot/78862.
United States. Department of Transportation. Federal Highway Administration Territorial and Puerto Rico Highway Program. United States. Department of Transportation. Federal Highway Administration, 2022, ROSA P. https://rosap.ntl.bts.gov/view/dot/78862.
The objective of this document is to provide a rationale for conducting risk assessment of Post-Tensioning (PT) tendons to aid designers in the selection of appropriate corrosion protection strategies for PT systems in bridges. The risk assessment is intended to prioritize the need for protective technologies and processes considering the likelihoo
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Washer, G. (2022). Methodology for Risk Assessment of Post-Tensioning Tendons [Tech Brief] (Report No. FHWA-HIF- 20-041). United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/61404
Washer, Glenn. Methodology for Risk Assessment of Post-Tensioning Tendons [Tech Brief]. Report no. FHWA-HIF- 20-041. United States. Federal Highway Administration. Office of Bridges and Structures, 2022. https://rosap.ntl.bts.gov/view/dot/61404.
Washer, Glenn Methodology for Risk Assessment of Post-Tensioning Tendons [Tech Brief]. United States. Federal Highway Administration. Office of Bridges and Structures, 2022, Report no. FHWA-HIF- 20-041, ROSA P. https://rosap.ntl.bts.gov/view/dot/61404.
This research summary report describes research carried out to develop an integrated survey methodology and instrument to support the collection of freight movement data. The researchers leveraged the Future Mobility Sensing (FMS) framework, which combines tracking and sensing data with machine-learning algorithms on the back end and user participa
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Ben-Akiva, M., Guan, J., Jeong, K., Ding-Mastera, J., Jing, P., Stinson, M., Manzi, E., Wong, W., Ko, W., Guok, E., Hieu, D., Lui, C., Thanh, L. T., Garbagnoli, P., Zhao, F., You, L., & Marzano, V. (2022). Integrated Data Collection Method for Tracking Freight Movement (Report No. FHWA-HRT-21-089). United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management. https://rosap.ntl.bts.gov/view/dot/62441
Ben-Akiva, Moshe, Jinping Guan, Kyungsoo Jeong, Jing Ding-Mastera, Peiyu Jing, Monique Stinson, and Eric Manzi, et al.. Integrated Data Collection Method for Tracking Freight Movement. Report no. FHWA-HRT-21-089. United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management, 2022. https://rosap.ntl.bts.gov/view/dot/62441.
Ben-Akiva, Moshe, et al. Integrated Data Collection Method for Tracking Freight Movement. United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management, 2022, Report no. FHWA-HRT-21-089, ROSA P. https://rosap.ntl.bts.gov/view/dot/62441.
Since 2006, the Federal Highway Administration (FHWA) Road Weather Management Program (RWMP) has conducted a periodic assessment of program effectiveness in improving the performance of the transportation system during adverse weather conditions. The RWMP assessments of program performance were conducted and documented in 2009, 2012, 2015, 2017, an
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Ostroff, R., Dagli, R., Deeter, D., Schroeder, J., & Creek, A. (2022). Road Weather Management Performance Measures: 2021 Update Task 4 - Final Report (Report No. FHWA-HOP-22-002). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88246
Ostroff, Rachel, Rahul Dagli, Dean Deeter, Jeremy Schroeder, and Athey Creek. Road Weather Management Performance Measures: 2021 Update Task 4 - Final Report. Report no. FHWA-HOP-22-002. United States. Department of Transportation. Federal Highway Administration, 2022. https://rosap.ntl.bts.gov/view/dot/88246.
Ostroff, Rachel, et al. Road Weather Management Performance Measures: 2021 Update Task 4 - Final Report. United States. Department of Transportation. Federal Highway Administration, 2022, Report no. FHWA-HOP-22-002, ROSA P. https://rosap.ntl.bts.gov/view/dot/88246.
The purpose of this Tech Brief is to describe the use of recycled concrete aggregate (RCA) in concrete paving mixtures and identify considerations for its use in highway infrastructure. The document is intended for highway agency and contractor engineers.
Cavalline, T. L., Snyder, M. B., & Taylor, P. (2022). Use of Recycled Concrete Aggregate (RCA) in Concrete Paving Mixtures [tech brief] (Report No. FHWA-HIF-22-020). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/64322
Cavalline, Tara L, Mark B. Snyder, and Peter Taylor. Use of Recycled Concrete Aggregate (RCA) in Concrete Paving Mixtures [tech brief]. Report no. FHWA-HIF-22-020. United States. Federal Highway Administration, 2022. https://rosap.ntl.bts.gov/view/dot/64322.
Cavalline, Tara L, et al. Use of Recycled Concrete Aggregate (RCA) in Concrete Paving Mixtures [tech brief]. United States. Federal Highway Administration, 2022, Report no. FHWA-HIF-22-020, ROSA P. https://rosap.ntl.bts.gov/view/dot/64322.
This case study presents a safety analysis performed by the Texas Department of Transportation (TxDOT) for an Interstate Access Justification Report. The Interstate 37 (I-37) corridor is an important freight route, critical hurricane evacuation linkage, and the only crossing of the Nueces River within 25 miles. This corridor is part of the National
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Kersavage, K., & Hamilton, I. (2022). Interstate 37 in Texas Interstate Access Justification (Report No. FHWA-SA-21-076). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/63015
Kersavage, Kristin and Ian Hamilton. Interstate 37 in Texas Interstate Access Justification. Report no. FHWA-SA-21-076. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2022. https://rosap.ntl.bts.gov/view/dot/63015.
Kersavage, Kristin, and Ian Hamilton Interstate 37 in Texas Interstate Access Justification. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2022, Report no. FHWA-SA-21-076, ROSA P. https://rosap.ntl.bts.gov/view/dot/63015.
Partial-depth precast concrete deck panels (PDDPs) are relatively thin precast prestressed concrete panels that span between girders which combine to act compositely with a cast-in-place (CIP) concrete topping to provide the full structural thickness of a bridge deck. PDDPs may have some advantages including faster and safer construction, ease of d
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McDonagh, M., Foden, A., & Beyer, A. (2022). State-of-the-Practice Report— Partial-Depth Precast Concrete Deck Panels (Report No. FHWA-HIF-22-031). United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/72981
McDonagh, Michael, Andrew Foden, and Alexandra Beyer. State-of-the-Practice Report— Partial-Depth Precast Concrete Deck Panels. Report no. FHWA-HIF-22-031. United States. Federal Highway Administration. Office of Bridges and Structures, 2022. https://rosap.ntl.bts.gov/view/dot/72981.
McDonagh, Michael, et al. State-of-the-Practice Report— Partial-Depth Precast Concrete Deck Panels. United States. Federal Highway Administration. Office of Bridges and Structures, 2022, Report no. FHWA-HIF-22-031, ROSA P. https://rosap.ntl.bts.gov/view/dot/72981.
The Federal Highway Administration (FHWA) and Traffic Analysis and Simulation Pooled Fund Study sponsored a research project on multiresolution modeling (MRM). The project intends to develop consistent definitions and a unified modeling framework for transportation professionals to help them better understand the opportunities and challenges associ
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Hadi, M., Zhou, X., & Hale, D. (2022). Multiresolution Modeling for Traffic Analysis: Case Studies Report (Report No. FHWA-HRT-22-054). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/60762
Hadi, Mohammed, Xuesong Zhou, and David Hale. Multiresolution Modeling for Traffic Analysis: Case Studies Report. Report no. FHWA-HRT-22-054. United States. Federal Highway Administration, 2022. https://rosap.ntl.bts.gov/view/dot/60762.
Hadi, Mohammed, et al. Multiresolution Modeling for Traffic Analysis: Case Studies Report. United States. Federal Highway Administration, 2022, Report no. FHWA-HRT-22-054, ROSA P. https://rosap.ntl.bts.gov/view/dot/60762.
United States. Department of Transportation. Federal Highway Administration
2022-02-01
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The BIL establishes a National Electric Vehicle Infrastructure Formula Program ("NEVI Formula") to provide funding to States to strategically deploy electric vehicle (EV) charging infrastructure and to establish an interconnected network to facilitate data collection, access, and reliability.
United States. Department of Transportation. Federal Highway Administration (2022). National Electric Vehicle Infrastructure Formula Program. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/78849
United States. Department of Transportation. Federal Highway Administration. National Electric Vehicle Infrastructure Formula Program. United States. Department of Transportation. Federal Highway Administration, 2022. https://rosap.ntl.bts.gov/view/dot/78849.
United States. Department of Transportation. Federal Highway Administration National Electric Vehicle Infrastructure Formula Program. United States. Department of Transportation. Federal Highway Administration, 2022, ROSA P. https://rosap.ntl.bts.gov/view/dot/78849.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2022-02-01
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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 (2022). Traffic Volume Trends: February 2022. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/62848
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: February 2022. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2022. https://rosap.ntl.bts.gov/view/dot/62848.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: February 2022. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2022, ROSA P. https://rosap.ntl.bts.gov/view/dot/62848.
Scenario Manager and Vehicle Trajectory Processor (NeXTA) are software products developed under the second Strategic Highway Research Program (SHRP2) Project L04for facilitating the incorporation of reliability performance measures into operations and planning tools. Pilot test sites in both Portland, Oregon and Phoenix, Arizona were used in conjun
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Kittelson, W., Quayle, S., Nevers, B., Chiu, Y. C., Zhou, X., & Nava, E. (2022). Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools (Report No. FHWA-HOP-20-042). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/66031
Kittelson, Wayne, Shaun Quayle, Brandon Nevers, Yi-Chang Chiu, Xuesong Zhou, and Eric Nava. Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools. Report no. FHWA-HOP-20-042. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2022. https://rosap.ntl.bts.gov/view/dot/66031.
Kittelson, Wayne, et al. Incorporating Reliability Performance Measures in Operations and Planning Modeling Tools. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2022, Report no. FHWA-HOP-20-042, ROSA P. https://rosap.ntl.bts.gov/view/dot/66031.
This manual describes operational procedures for collecting longitudinal profile, macrotexture, and transverse profile data for the Long-Term Pavement Performance program using a High-Speed Survey Vehicle. This manual also contains procedures for measuring the longitudinal and transverse profiles of the pavement using a Dipstick® and the longitudin
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Perera, R. W., & Elkins, G. E. (2022). LTPP Manual for Collecting and Processing Longitudinal Profile, Macrotexture, and Transverse Profile Data (Report No. FHWA-HRT-21-096). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure. https://rosap.ntl.bts.gov/view/dot/62452
Perera, Rohan W. and Gary E. Elkins. LTPP Manual for Collecting and Processing Longitudinal Profile, Macrotexture, and Transverse Profile Data. Report no. FHWA-HRT-21-096. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2022. https://rosap.ntl.bts.gov/view/dot/62452.
Perera, Rohan W., and Gary E. Elkins LTPP Manual for Collecting and Processing Longitudinal Profile, Macrotexture, and Transverse Profile Data. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure, 2022, Report no. FHWA-HRT-21-096, ROSA P. https://rosap.ntl.bts.gov/view/dot/62452.
This case study summarizes a safety analysis conducted by the Federal Highway Administration (FHWA) Geometric Design Lab (GDL), in collaboration with the Alabama Department of Transportation (ALDOT) and the FHWA Alabama Division. GDL used the Interactive Highway Safety Design Model (IHSDM) software to assess the safety performance of W South Boulev
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Dunn, M. (2022). West South Boulevard Redesign Safety Assessment (Report No. FHWA-SA-21-075). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/63010
Dunn, Michael. West South Boulevard Redesign Safety Assessment. Report no. FHWA-SA-21-075. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2022. https://rosap.ntl.bts.gov/view/dot/63010.
Dunn, Michael West South Boulevard Redesign Safety Assessment. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2022, Report no. FHWA-SA-21-075, ROSA P. https://rosap.ntl.bts.gov/view/dot/63010.
United States. Federal Highway Administration. Center for Accelerating Innovation
2022-02-01
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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 (2022). Innovator - January/February 2022 - Volume 15, Issue 88 (Report No. FHWA-21-CAI-025). United States. Federal Highway Administration. Center for Accelerating Innovation. https://rosap.ntl.bts.gov/view/dot/62450
United States. Federal Highway Administration. Center for Accelerating Innovation. Innovator - January/February 2022 - Volume 15, Issue 88. Report no. FHWA-21-CAI-025. United States. Federal Highway Administration. Center for Accelerating Innovation, 2022. https://rosap.ntl.bts.gov/view/dot/62450.
United States. Federal Highway Administration. Center for Accelerating Innovation Innovator - January/February 2022 - Volume 15, Issue 88. United States. Federal Highway Administration. Center for Accelerating Innovation, 2022, Report no. FHWA-21-CAI-025, ROSA P. https://rosap.ntl.bts.gov/view/dot/62450.
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