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 Illinois HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1985–2017) are available on request from the virtual HSIS La
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Porter, R. J., Hamilton, I., Chestnutt, C., Kersavage, K., & Cohen, T. (2024). Highway Safety Information System Guidebook for the Illinois Data Files (Report No. FHWA-HRT-24-114). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/77338
Porter, Richard J., Ian Hamilton, Catherine Chestnutt, Kristin Kersavage, and Tal Cohen. Highway Safety Information System Guidebook for the Illinois Data Files. Report no. FHWA-HRT-24-114. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/77338.
Porter, Richard J., et al. Highway Safety Information System Guidebook for the Illinois Data Files. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-114, ROSA P. https://rosap.ntl.bts.gov/view/dot/77338.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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This factsheet summarizes emerging practices for planning, designing, and implementing NBS. FHWA published an Implementation Guide in 2019 to help transportation practitioners understand how and where to use NBS for highway resilience to protect coastal roads and bridges from flooding, erosion, storm surge, and sea level rise. In 2021, FHWA conduct
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United States. Department of Transportation. Federal Highway Administration (2024). Coastal Nature-Based Solutions: Lessons Learned (Report No. FHWA-HEP-24-045). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88157
United States. Department of Transportation. Federal Highway Administration. Coastal Nature-Based Solutions: Lessons Learned. Report no. FHWA-HEP-24-045. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/88157.
United States. Department of Transportation. Federal Highway Administration Coastal Nature-Based Solutions: Lessons Learned. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HEP-24-045, ROSA P. https://rosap.ntl.bts.gov/view/dot/88157.
This TechNote provides an overview of the research that was conducted to study early-age and long-term material properties and complete multiscale durability investigations. Guidance for alternative cementitious materials (ACM) selection and mixture design for use in transportation infrastructure, including highway structures and rigid pavements, w
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Kurtis, K. E., Alapati, P., Burris, L., Ley, M. T., Peery, J., Hajibabaee, A., Behravan, A., Khanzadeh, M., Berke, N., & Moser, R. (2024). Novel Alternative Cementitious Materials for Development of the Next Generation of Sustainable Transportation Infrastructure [TechNote] (Report No. FHWA-HRT-24-012). United States. Department of Transportation. Federal Highway Administration, Turner-Fairbank Highway Research Center. https://doi.org/10.21949/1521792
Kurtis, K. E., P. Alapati, L.E. Burris, M. Tyler Ley, J. Peery, Amir Hajibabaee, Amir Behravan, M. Khanzadeh, N.S. Berke, and Robert Moser. Novel Alternative Cementitious Materials for Development of the Next Generation of Sustainable Transportation Infrastructure [TechNote]. Report no. FHWA-HRT-24-012. United States. Department of Transportation. Federal Highway Administration, Turner-Fairbank Highway Research Center, 2024. https://doi.org/10.21949/1521792.
Kurtis, K. E., et al. Novel Alternative Cementitious Materials for Development of the Next Generation of Sustainable Transportation Infrastructure [TechNote]. United States. Department of Transportation. Federal Highway Administration, Turner-Fairbank Highway Research Center, 2024, Report no. FHWA-HRT-24-012, ROSA P. https://doi.org/10.21949/1521792.
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 Minnesota HSIS data from 2018 and beyond. Data and documentation recorded before 2018 (1985–2017) are available on request from the virtual HSIS L
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Porter, R. J., Hamilton, I., Chestnutt, C., Kersavage, K., & Cohen, T. (2024). Highway Safety Information System Guidebook for the Minnesota Data Files (Report No. FHWA-HRT-24-120). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1521566
Porter, Richard J., Ian Hamilton, Catherine Chestnutt, Kristin Kersavage, and Tal Cohen. Highway Safety Information System Guidebook for the Minnesota Data Files. Report no. FHWA-HRT-24-120. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://doi.org/10.21949/1521566.
Porter, Richard J., et al. Highway Safety Information System Guidebook for the Minnesota Data Files. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-120, ROSA P. https://doi.org/10.21949/1521566.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-08-01
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Fast Lane - Exploring Human Behavior
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The Human Factors Team biannual highlights cover past, current, and planned future research being conducted at the Turner-Fairbank Highway Research Center.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2024). Fast Lane - Exploring Human Behavior - Volume 19 (Report No. FHWA-HRT-24-152). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://doi.org/10.21949/1521595
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Fast Lane - Exploring Human Behavior - Volume 19. Report no. FHWA-HRT-24-152. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://doi.org/10.21949/1521595.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Fast Lane - Exploring Human Behavior - Volume 19. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-152, ROSA P. https://doi.org/10.21949/1521595.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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The Federal Highway Administration (FHWA) and the National Highway Traffic Safety Administration (NHTSA) published the Speed Safety Camera Program Planning and Operations Guide in 2023. This checklist, based on the guide, provides a high-level list of steps and considerations for State and local practitioners who are developing a program for implem
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United States. Department of Transportation. Federal Highway Administration (2024). Checklist for Implementing Work Zone Speed Safety Cameras (Report No. FHWA-HOP-24-062). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/76969
United States. Department of Transportation. Federal Highway Administration. Checklist for Implementing Work Zone Speed Safety Cameras. Report no. FHWA-HOP-24-062. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/76969.
United States. Department of Transportation. Federal Highway Administration Checklist for Implementing Work Zone Speed Safety Cameras. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HOP-24-062, ROSA P. https://rosap.ntl.bts.gov/view/dot/76969.
Highway agencies are demonstrating significant interest in enhancing the quality assurance of asphalt pavement compaction by initiating the Transportation Pooled Fund project TPF-5(443). This pooled fund explores a nondestructive testing technology known as the density-profiling system (DPS). Currently, compaction assessment relies on field coring,
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Azari, H., & Liu, H. (2024). Validating a Density-Profiling System for Asphalt Compaction Assessment (Report No. FHWA-HRT-24-143). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://doi.org/10.21949/1521588
Azari, Hoda and Heng Liu. Validating a Density-Profiling System for Asphalt Compaction Assessment. Report no. FHWA-HRT-24-143. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2024. https://doi.org/10.21949/1521588.
Azari, Hoda, and Heng Liu Validating a Density-Profiling System for Asphalt Compaction Assessment. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2024, Report no. FHWA-HRT-24-143, ROSA P. https://doi.org/10.21949/1521588.
This TechBrief highlights the efforts of the research team, that conducted a multiyear research project for the Federal Highway Administration (FHWA). It focused on evaluating how converting from conventional intersections to alternative intersections affects safety and operational performance. This research may be of interest to transportation pra
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Dixon, K., Mousavi, S. M., & Fitzpatrick, K. (2024). Field Evaluation of At-Grade Alternative Intersection Designs, Volume Ⅱ - Safety Report [TechBrief] (Report No. FHWA-HRT-24-156). United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. https://doi.org/10.21949/1521598
Dixon, Karen, Seyedeh Maryam Mousavi, and Kay Fitzpatrick. Field Evaluation of At-Grade Alternative Intersection Designs, Volume Ⅱ - Safety Report [TechBrief]. Report no. FHWA-HRT-24-156. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2024. https://doi.org/10.21949/1521598.
Dixon, Karen, et al. Field Evaluation of At-Grade Alternative Intersection Designs, Volume Ⅱ - Safety Report [TechBrief]. United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology, 2024, Report no. FHWA-HRT-24-156, ROSA P. https://doi.org/10.21949/1521598.
This document is an updated concept of operations (ConOps) for developing a snowplow adaptive route optimization (ARO) solution incorporating insights from transportation agencies that reviewed the first version. The information in this ConOps supports systems engineering for creating an ARO capability or tool that incorporates real-time and histor
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Garrett, K., Hawkins, N., Dong, J., Monteiro, H., & Schaefer, R. (2024). Adaptive Route Optimization for Operations: Concept of Operations Version 2 (Report No. FHWA-HOP-24-055). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77860
Garrett, Kyle, Neal Hawkins, Jing Dong, Heather Monteiro, and Ron Schaefer. Adaptive Route Optimization for Operations: Concept of Operations Version 2. Report no. FHWA-HOP-24-055. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/77860.
Garrett, Kyle, et al. Adaptive Route Optimization for Operations: Concept of Operations Version 2. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HOP-24-055, ROSA P. https://rosap.ntl.bts.gov/view/dot/77860.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-08-01
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National Travel Time Dashboard: Interstate Highways
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The Monthly Urban Congestion Report (UCR) provides a state-level overview of traffic congestion and reliability trends on Interstate highways. Published every month, the report compares data from the most recent month with the same month in the previous year. It uses travel time data from the Federal Highway Administration’s National Performance Ma
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2024). National Travel Time Dashboard: Interstate Highways, August 2024. United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/87937
United States. Department of Transportation. Federal Highway Administration. Office of Operations. National Travel Time Dashboard: Interstate Highways, August 2024. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2024. https://rosap.ntl.bts.gov/view/dot/87937.
United States. Department of Transportation. Federal Highway Administration. Office of Operations National Travel Time Dashboard: Interstate Highways, August 2024. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/87937.
This report explains in detail how to use the modified compression field theory (MCFT) for shear load rating of pretensioned concrete members. The report includes a summary of MCFT theory and application, possible shear failure mechanisms that may occur in pretensioned members, and a recently recommended methodology for an iterative process for usi
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Garber, D. (2024). Modified Compression Field Theory (MCFT) for Shear Load Rating – Pretensioned Example (Report No. FHWA-RC-24-0005). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77585
Garber, David. Modified Compression Field Theory (MCFT) for Shear Load Rating – Pretensioned Example. Report no. FHWA-RC-24-0005. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/77585.
Garber, David Modified Compression Field Theory (MCFT) for Shear Load Rating – Pretensioned Example. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-RC-24-0005, ROSA P. https://rosap.ntl.bts.gov/view/dot/77585.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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This post card is to congratulate the winners of the of the Inaugural 2024 TPF Excellence Awards. Administered by FHWA and AASHTO, the TPF Excellence Awards recognize TPF studies that demonstrate the power of collaboration, add value to the transportation industry, and advance research and innovation.
United States. Department of Transportation. Federal Highway Administration (2024). The Transportation Pooled Fund (TPF) Excellence Awards Debut (Report No. FHWA-HRT-24-119). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521564
United States. Department of Transportation. Federal Highway Administration. The Transportation Pooled Fund (TPF) Excellence Awards Debut. Report no. FHWA-HRT-24-119. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521564.
United States. Department of Transportation. Federal Highway Administration The Transportation Pooled Fund (TPF) Excellence Awards Debut. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-119, ROSA P. https://doi.org/10.21949/1521564.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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This fact sheet provides an overview of the Multidisciplinary Data Management Support. The Multidisciplinary Data Management Support (MDMS) project supports Federal Highway Administration (FHWA) Federal and contract project managers in managing their data and current FHWA-sponsored projects and in archiving project data for future use. The purposes
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United States. Department of Transportation. Federal Highway Administration (2024). Multidisciplinary Data Management Support - 101 Overview (Report No. FHWA-HRT-24-164). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521608
United States. Department of Transportation. Federal Highway Administration. Multidisciplinary Data Management Support - 101 Overview. Report no. FHWA-HRT-24-164. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521608.
United States. Department of Transportation. Federal Highway Administration Multidisciplinary Data Management Support - 101 Overview. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-164, ROSA P. https://doi.org/10.21949/1521608.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-08-01
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Collecting and reporting Nonmotorized travel is growing in importance due to the significant efforts being made to encourage investment and use of more active modes of transportation (e.g., walking, biking, scootering, battery-powered devices). It is, therefore, important to be able to track changes in walking, biking, scootering, etc. that result
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2024). 2016 Traffic Monitoring Guide Nonmotorized Data Format August 2024 Updates (Report No. FHWA-HPL-24-020;FHWA-PL-24-020). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/78500
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. 2016 Traffic Monitoring Guide Nonmotorized Data Format August 2024 Updates. Report no. FHWA-HPL-24-020;FHWA-PL-24-020. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/78500.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information 2016 Traffic Monitoring Guide Nonmotorized Data Format August 2024 Updates. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, Report no. FHWA-HPL-24-020;FHWA-PL-24-020, ROSA P. https://rosap.ntl.bts.gov/view/dot/78500.
The current program of Quality Assurance Stewardship Reviews was established by the Federal Highway Administration (FHWA) in fiscal year (FY) 2003 to assess agency quality assurance (QA) practices. By the end of 2017, all 52 State highway agencies (SHA) including Puerto Rico and the District of Columbia had undergone at least one review. This Summa
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Grogg, M. G. (2024). Quality Assurance Stewardship Review, Summary Report 2019-2023 (Report No. FHWA-HIF-24-074). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77865
Grogg, Max G. Quality Assurance Stewardship Review, Summary Report 2019-2023. Report no. FHWA-HIF-24-074. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/77865.
Grogg, Max G Quality Assurance Stewardship Review, Summary Report 2019-2023. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HIF-24-074, ROSA P. https://rosap.ntl.bts.gov/view/dot/77865.
An overarching goal of road corridor projects is to reduce traffic delays and improve safety for all users, including drivers, pedestrians, cyclists, and delivery vehicles. Doing so often involves changing the way road users access sites along the road, such as by removing or relocating driveways; adding medians, turning restrictions, service and f
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Dixon, K. K., Williams, K., Frawley, B., Haberman, J., & Ostroff, R. (2024). Safe Access for Everyone Is Good for Business (Report No. FHWA-HOP-24-003). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/77859
Dixon, Karen K., Kristine Williams, Bill Frawley, John Haberman, and Rachel Ostroff. Safe Access for Everyone Is Good for Business. Report no. FHWA-HOP-24-003. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2024. https://rosap.ntl.bts.gov/view/dot/77859.
Dixon, Karen K., et al. Safe Access for Everyone Is Good for Business. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2024, Report no. FHWA-HOP-24-003, ROSA P. https://rosap.ntl.bts.gov/view/dot/77859.
United States. Department of Transportation. Federal Highway Administration
2024-08-01
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Traffic management systems (TMSs) and their centers are critical resources that offer agencies the potential to improve the safety and mobility of travel on the surface transportation system. TMSs also assist agencies in fulfilling the ever-increasing transportation needs of travelers (e.g., travel times), service providers (e.g., transit and emerg
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United States. Department of Transportation. Federal Highway Administration (2024). The Next Generation of Traffic Management Systems and Centers [Fact Sheet] (Report No. FHWA-HRT-24-153). United States. Department of Transportation. Federal Highway Administration. https://doi.org/10.21949/1521597
United States. Department of Transportation. Federal Highway Administration. The Next Generation of Traffic Management Systems and Centers [Fact Sheet]. Report no. FHWA-HRT-24-153. United States. Department of Transportation. Federal Highway Administration, 2024. https://doi.org/10.21949/1521597.
United States. Department of Transportation. Federal Highway Administration The Next Generation of Traffic Management Systems and Centers [Fact Sheet]. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-153, ROSA P. https://doi.org/10.21949/1521597.
The Systemic Safety User Guide is an update to the Federal Highway Administration’s Systemic Safety Project Selection Tool. The Guide presents a process for incorporating systemic planning into the safety management process. The chapters describe how agencies can identify focus crash types, facility types, and risk factors; screen and prioritize ca
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Gooch, J., Gross, F., Dunn, M., Kersavage, K., Sanders, R., Schoner, J., Himes, S., Albee, M., & Boller, N. (2024). Systemic Safety User Guide (Report No. FHWA-SA-23-008). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/91884
Gooch, Jeff, Frank Gross, Michael Dunn, Kristin Kersavage, Rebecca Sanders, Jessica Schoner, Scott Himes, Matt Albee, and Nadia Boller. Systemic Safety User Guide. Report no. FHWA-SA-23-008. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2024. https://rosap.ntl.bts.gov/view/dot/91884.
Gooch, Jeff, et al. Systemic Safety User Guide. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2024, Report no. FHWA-SA-23-008, ROSA P. https://rosap.ntl.bts.gov/view/dot/91884.
This document provides decision making guidance that State DOTs and local transportation agencies can use to plan and execute purchases of traffic volume estimates, such as annual average daily traffic (AADT), from the private sector when those estimates are based on non-traditional data sources, such as vehicle probe or smartphone data. It also pr
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Krile, R., & Habtemichael, F. (2024). Guidelines for Obtaining AADT Estimates from Non-Traditional Sources (Report No. FHWA-HPL-23-018). United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/92616
Krile, Robert and Filmon Habtemichael. Guidelines for Obtaining AADT Estimates from Non-Traditional Sources. Report no. FHWA-HPL-23-018. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024. https://rosap.ntl.bts.gov/view/dot/92616.
Krile, Robert, and Filmon Habtemichael Guidelines for Obtaining AADT Estimates from Non-Traditional Sources. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2024, Report no. FHWA-HPL-23-018, ROSA P. https://rosap.ntl.bts.gov/view/dot/92616.
United States. Department of Transportation. Federal Highway Administration
2024-07-31
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Just over a decade after its completion, the Indianapolis Cultural Trail (ICT) has become a fixture of the Indianapolis downtown used by residents and visitors alike. The trail was recognized from the outset for its use of context sensitive solutions and design practices, and it still provides a safe place to walk, roll, and cycle while contributin
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United States. Department of Transportation. Federal Highway Administration (2024). The Indianapolis Cultural Trail: Ten Years of Context Sensitive Design Connecting Communities (Report No. FHWA-HEP-24-043). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77752
United States. Department of Transportation. Federal Highway Administration. The Indianapolis Cultural Trail: Ten Years of Context Sensitive Design Connecting Communities. Report no. FHWA-HEP-24-043. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/77752.
United States. Department of Transportation. Federal Highway Administration The Indianapolis Cultural Trail: Ten Years of Context Sensitive Design Connecting Communities. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HEP-24-043, ROSA P. https://rosap.ntl.bts.gov/view/dot/77752.
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