This large-scale study, based on the Motorcycle Crash Causation Study (MCCS) sponsored by the National Highway Traffic Safety Administration, gathered data on motorcycle (MC) crashes by intensive post-crash investigations and control MC observations and interviews conducted in Orange County, CA. The study developed a dataset that researchers can us
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Nazemetz, J. W., Bents, F. D., Perry, J. G., Thor, C. P., & Mohamedshah, Y. M. (2019). Motorcycle Crash Causation Study: Final Report (Report No. FHWA-HRT-18-064). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/40088
Nazemetz, John W., Frances D. Bents, James G. Perry, Craig P. Thor, and Yusuf M. Mohamedshah. Motorcycle Crash Causation Study: Final Report. Report no. FHWA-HRT-18-064. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/40088.
Nazemetz, John W., et al. Motorcycle Crash Causation Study: Final Report. United States. Federal Highway Administration, 2019, Report no. FHWA-HRT-18-064, ROSA P. https://rosap.ntl.bts.gov/view/dot/40088.
This document is a resource to help transportation practitioners consider and make informed decisions about tradeoffs relating to the selection of bikeway types. This report highlights linkages between the bikeway selection process and the transportation planning process. This guide presents these factors and considerations in a practical process o
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Schultheiss, B., Goodman, D., Blackburn, L., Wood, A., Reed, D., & Elbech, M. (2019). Bikeway Selection Guide (Report No. FHWA-SA-18-077). United States. Department of Transportation. Federal Highway Administration. Office of Safety. https://rosap.ntl.bts.gov/view/dot/43669
Schultheiss, Bill, Daniel Goodman, Lauren Blackburn, Adam Wood, Dan Reed, and Mary Elbech. Bikeway Selection Guide. Report no. FHWA-SA-18-077. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019. https://rosap.ntl.bts.gov/view/dot/43669.
Schultheiss, Bill, et al. Bikeway Selection Guide. United States. Department of Transportation. Federal Highway Administration. Office of Safety, 2019, Report no. FHWA-SA-18-077, ROSA P. https://rosap.ntl.bts.gov/view/dot/43669.
In supporting State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) in using Geographic Information Systems, the Federal Highway Administration (FHWA) is publishing this Case Study Report focusing on the use of mobile applications by transportation agencies to collect and manage geospatial asset data. To gather i
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Supporting Files
Quinton, D., & Lucivero, A. (2019). Mobile Applications for GIS: Case Studies of Select Transportation Agencies (Report No. FHWA-HEP-19-032;DOT-VNTSC-FHWA-19-13). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/53781
Quinton, Drew and Anthony Lucivero. Mobile Applications for GIS: Case Studies of Select Transportation Agencies. Report no. FHWA-HEP-19-032;DOT-VNTSC-FHWA-19-13. United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/53781.
Quinton, Drew, and Anthony Lucivero Mobile Applications for GIS: Case Studies of Select Transportation Agencies. United States. Department of Transportation. Federal Highway Administration, 2019, Report no. FHWA-HEP-19-032;DOT-VNTSC-FHWA-19-13, ROSA P. https://rosap.ntl.bts.gov/view/dot/53781.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-02-01
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Advancements in the science of concrete materials have led to the development of a new class of cementitious composites called ultra-high performance concrete (UHPC). UHPC exhibits mechanical and durability properties that make it ideal for use in new solutions to pressing concerns about highway-infrastructure deterioration, repair, and replacement
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology (2019). Design and Construction of Field-Cast UHPC Connections : [technote] (Report No. FHWA-HRT-19-011). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/40081
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology. Design and Construction of Field-Cast UHPC Connections : [technote]. Report no. FHWA-HRT-19-011. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019. https://rosap.ntl.bts.gov/view/dot/40081.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology Design and Construction of Field-Cast UHPC Connections : [technote]. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2019, Report no. FHWA-HRT-19-011, ROSA P. https://rosap.ntl.bts.gov/view/dot/40081.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-02-01
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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 (2019). Traffic Volume Trends: February 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/50062
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: February 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019. https://rosap.ntl.bts.gov/view/dot/50062.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: February 2019. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/50062.
The Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle (CV) Pilot Deployment Program is developing a suite of CV applications, or apps, that utilize vehicle-to-infrastructure (V2I), vehicle-to-vehicle (V2V) and Vehicle to everything (V2X) communication technology to reduce traffic congestion, improve safety, and decrease emissions. Th
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Krueger, G. D., Johnson, S., Reich, S., & Frey, B. (2019). Connected Vehicle Pilot Deployment Program Phase I: Partnership Status Summary: Tampa (THEA) [Final Report] (Report No. FHWA-JPO-16-319). Maritime Transportation Research and Education Center (MarTREC). https://rosap.ntl.bts.gov/view/dot/31719
Krueger, Gregory D., Steven Johnson, Steven Reich, and Bob Frey. Connected Vehicle Pilot Deployment Program Phase I: Partnership Status Summary: Tampa (THEA) [Final Report]. Report no. FHWA-JPO-16-319. Maritime Transportation Research and Education Center (MarTREC), 2019. https://rosap.ntl.bts.gov/view/dot/31719.
Krueger, Gregory D., et al. Connected Vehicle Pilot Deployment Program Phase I: Partnership Status Summary: Tampa (THEA) [Final Report]. Maritime Transportation Research and Education Center (MarTREC), 2019, Report no. FHWA-JPO-16-319, ROSA P. https://rosap.ntl.bts.gov/view/dot/31719.
Since 1995, a Science and Technology Implementing Arrangement between the United States Department of Transportation’s (USDOT) Federal Highway Administration (FHWA) and the Republic of Korea’s Ministry of Land, Infrastructure and Transport (MOLIT) has made cooperation between these two governmental agencies a priority. The arrangement has led to an
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Clark, J., Grate, A., Neuner, M., & Peshkin, D. G. (2019). Synthesis Report of the FHWA and the MOLIT Knowledge Exchange since 1995 (Report No. FHWA-PL-18-041). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43566
Clark, Jackie, Amanda Grate, Michelle Neuner, and David G. Peshkin. Synthesis Report of the FHWA and the MOLIT Knowledge Exchange since 1995. Report no. FHWA-PL-18-041. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43566.
Clark, Jackie, et al. Synthesis Report of the FHWA and the MOLIT Knowledge Exchange since 1995. United States. Federal Highway Administration, 2019, Report no. FHWA-PL-18-041, ROSA P. https://rosap.ntl.bts.gov/view/dot/43566.
The New Mexico Department of Transportation (NMDOT) rehabilitated about 8.7 miles (milepoint 0.448 to milepoint 9.168) of New Mexico State Road 136 (NM 136) in Dona Ana County, just northwest of El Paso, TX. This four-lane arterial roadway serves as a connection between the Santa Teresa Port of Entry and Interstate 10 (I-10) near the Texas State Li
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Tayabji, S. D., & Rao, S. (2019). NM 136 Continuously Reinforced Concrete Pavement [techbrief] (Report No. FHWA-HIF-19-015). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43535
Tayabji, Shiraz D. and Shreenath Rao. NM 136 Continuously Reinforced Concrete Pavement [techbrief]. Report no. FHWA-HIF-19-015. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43535.
Tayabji, Shiraz D., and Shreenath Rao NM 136 Continuously Reinforced Concrete Pavement [techbrief]. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-19-015, ROSA P. https://rosap.ntl.bts.gov/view/dot/43535.
This report documents the state of the practice among State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) regarding how these agencies are considering and addressing environmental justice concerns in their transportation planning and programming process. Based on a detailed scan of publicly available planning a
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Twaddell, H., Zgoda, B., Aimen, D., & Morris, A. (2019). Environmental Justice Analysis in Transportation Planning and Programming: State of the Practice (Report No. FHWA-HEP-19-022). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43567
Twaddell, Hannah, Beth Zgoda, David Aimen, and Anne Morris. Environmental Justice Analysis in Transportation Planning and Programming: State of the Practice. Report no. FHWA-HEP-19-022. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43567.
Twaddell, Hannah, et al. Environmental Justice Analysis in Transportation Planning and Programming: State of the Practice. United States. Federal Highway Administration, 2019, Report no. FHWA-HEP-19-022, ROSA P. https://rosap.ntl.bts.gov/view/dot/43567.
The purpose of this study was to gather data on motorcycle crashes by intensive post-crash investigations and control motorcycle observations and interviews conducted in Orange County, CA. The study developed a dataset that researchers can access and use to investigate additional research questions. The database provides data from 351 injury crashe
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Nazemetz, J. W., Bents, F. D., Perry, J. G., Thor, C. P., Tan, C., & Mohamedshah, Y. M. (2019). Motorcycle Crash Causation Study: Volume 1—Data Collection and Variable Naming (Report No. FHWA-HRT-18-040). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/40089
Nazemetz, John W., Frances D. Bents, James G. Perry, Craig P. Thor, Carol Tan, and Yusuf M. Mohamedshah. Motorcycle Crash Causation Study: Volume 1—Data Collection and Variable Naming. Report no. FHWA-HRT-18-040. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/40089.
Nazemetz, John W., et al. Motorcycle Crash Causation Study: Volume 1—Data Collection and Variable Naming. United States. Federal Highway Administration, 2019, Report no. FHWA-HRT-18-040, ROSA P. https://rosap.ntl.bts.gov/view/dot/40089.
The Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle (CV) Pilot Deployment Program is part of a national effort to advance CV technologies by deploying, demonstrating, testing and offering lessons learned for future deployers. The THEA CV Pilot is developing a suite of CV applications, or apps, that utilize vehicle-to-infrastructure
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Johnson, S., Blue, V., Novosad, S., JonMichael, J., Miller, D., Wacht, M., Brown, J., Reich, S., & Allegretto, G. (2019). Connected Vehicle Pilot Deployment Program Phase I: Comprehensive Pilot Deployment Plan: Tampa Hillsborough Expressway Authority (THEA) (Report No. FHWA-JPO-16-321). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office. https://rosap.ntl.bts.gov/view/dot/31720
Johnson, Steven, Victor Blue, Steven Novosad, Jason JonMichael, Dave Miller, Michael Wacht, Jeff Brown, Steven Reich, and Gianluca Allegretto. Connected Vehicle Pilot Deployment Program Phase I: Comprehensive Pilot Deployment Plan: Tampa Hillsborough Expressway Authority (THEA). Report no. FHWA-JPO-16-321. United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019. https://rosap.ntl.bts.gov/view/dot/31720.
Johnson, Steven, et al. Connected Vehicle Pilot Deployment Program Phase I: Comprehensive Pilot Deployment Plan: Tampa Hillsborough Expressway Authority (THEA). United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office, 2019, Report no. FHWA-JPO-16-321, ROSA P. https://rosap.ntl.bts.gov/view/dot/31720.
Value capture presents an opportunity to meet funding challenges for transportation projects at a local and State level. Value capture refers to a set of techniques that take advantage of increases in property values, economic activity, and growth linked to infrastructure investments to help fund current or future improvements.
United States. Federal Highway Administration (2019). Value Capture: Capitalizing on the Value Created by Transportation [fact sheet]. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/64177
United States. Federal Highway Administration. Value Capture: Capitalizing on the Value Created by Transportation [fact sheet]. United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/64177.
United States. Federal Highway Administration Value Capture: Capitalizing on the Value Created by Transportation [fact sheet]. United States. Department of Transportation. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/64177.
United States. Department of Transportation. Federal Highway Administration
2019-01-30
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Practicing engineers and designers have used one-dimensional (1D) hydraulic modeling tools routinely for nearly 60 years. Although user interfaces have greatly improved during this time, the underlying computational techniques have remained the same. These modeling techniques apply several simplifying assumptions that can lead to overly conservativ
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United States. Department of Transportation. Federal Highway Administration (2019). Collaborative Hydraulics: Advancing to the Next Generation of Engineering (CHANGE) [2019]. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/90158
United States. Department of Transportation. Federal Highway Administration. Collaborative Hydraulics: Advancing to the Next Generation of Engineering (CHANGE) [2019]. United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/90158.
United States. Department of Transportation. Federal Highway Administration Collaborative Hydraulics: Advancing to the Next Generation of Engineering (CHANGE) [2019]. United States. Department of Transportation. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/90158.
United States. Department of Transportation. Federal Highway Administration
2019-01-30
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Unmanned aerial systems (UAS), sometimes referred to as drones, are multi-use aircraft controlled from a licensed operator on the ground. The benefits of UAS are wide ranging and impact nearly all aspects of highway transportation—replacing boots on the ground, increasing accuracy, speeding up data collection, and providing access to hard-to-reach
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United States. Department of Transportation. Federal Highway Administration (2019). Unmanned Aerial Systems (UAS). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/90156
United States. Department of Transportation. Federal Highway Administration. Unmanned Aerial Systems (UAS). United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/90156.
United States. Department of Transportation. Federal Highway Administration Unmanned Aerial Systems (UAS). United States. Department of Transportation. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/90156.
United States. Department of Transportation. Federal Highway Administration
2019-01-30
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Over the last 10 years, vehicle crashes have averaged more than 5.7 million per year. Twenty-one percent of those crashes—nearly1.21 million— occurred under adverse weather conditions. On average, nearly 6,000 people are killed and over 445,000 are injured in weather-related crashes each year. Likewise, the delays associated with weather can be pro
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United States. Department of Transportation. Federal Highway Administration (2019). Weather-Responsive Management Strategies. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/90160
United States. Department of Transportation. Federal Highway Administration. Weather-Responsive Management Strategies. United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/90160.
United States. Department of Transportation. Federal Highway Administration Weather-Responsive Management Strategies. United States. Department of Transportation. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/90160.
United States. Department of Transportation. Federal Highway Administration
2019-01-30
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Public investment in transportation assets that improve access benefits owners of adjacent properties through greater land value and other economic impacts. Many techniques are available to the public sector to share in a portion of this increased land value to build, maintain, or reinvest in the transportation system. Value capture begins with the
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United States. Department of Transportation. Federal Highway Administration (2019). Value Capture: Capitalizing on the Value Created by Transportation. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/90165
United States. Department of Transportation. Federal Highway Administration. Value Capture: Capitalizing on the Value Created by Transportation. United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/90165.
United States. Department of Transportation. Federal Highway Administration Value Capture: Capitalizing on the Value Created by Transportation. United States. Department of Transportation. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/90165.
United States. Department of Transportation. Federal Highway Administration
2019-01-29
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Up to 50 percent of major infrastructure projects suffer impacts to schedule or cost due to geotechnical issues. Many of these issues relate to risks identified directly or indirectly to the scope and quality of site characterization work. Effective site characterization is critical for recognizing potential problems that may affect design and cons
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United States. Department of Transportation. Federal Highway Administration (2019). Advanced Geotechnical Methods in Exploration (A-GaME). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/90157
United States. Department of Transportation. Federal Highway Administration. Advanced Geotechnical Methods in Exploration (A-GaME). United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/90157.
United States. Department of Transportation. Federal Highway Administration Advanced Geotechnical Methods in Exploration (A-GaME). United States. Department of Transportation. Federal Highway Administration, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/90157.
The Smart Travel Concierge System includes a series of travel readiness assessments designed to be used by individuals with cognitive disabilities and other users to self-assess their knowledge and experience in preparation for engaging in the use of fixed route public transit systems. This document provides an overview of the process used to creat
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Stock, S. E., & Davies, D. K. (2019). STCS Pre-Trip Planning and Virtualization: Assessment Content Summary Table [Leveraging Innovative Technology to Develop the Smart Travel Concierge System to Facilitate Pre-Trip Planning and Virtualization for Individuals with Cognitive Disabilities] (Report No. FHWA-JPO-19-770). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43632
Stock, Steven E and Daniel K. Davies. STCS Pre-Trip Planning and Virtualization: Assessment Content Summary Table [Leveraging Innovative Technology to Develop the Smart Travel Concierge System to Facilitate Pre-Trip Planning and Virtualization for Individuals with Cognitive Disabilities]. Report no. FHWA-JPO-19-770. United States. Department of Transportation. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43632.
Stock, Steven E, and Daniel K. Davies STCS Pre-Trip Planning and Virtualization: Assessment Content Summary Table [Leveraging Innovative Technology to Develop the Smart Travel Concierge System to Facilitate Pre-Trip Planning and Virtualization for Individuals with Cognitive Disabilities]. United States. Department of Transportation. Federal Highway Administration, 2019, Report no. FHWA-JPO-19-770, ROSA P. https://rosap.ntl.bts.gov/view/dot/43632.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2019-01-10
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This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty (2019). Human Environment Digest: January 10, 2019. United States. Federal Highway Administration. Office of Planning, Environment, and Realty. https://rosap.ntl.bts.gov/view/dot/55003
United States. Federal Highway Administration. Office of Planning, Environment, and Realty. Human Environment Digest: January 10, 2019. United States. Federal Highway Administration. Office of Planning, Environment, and Realty, 2019. https://rosap.ntl.bts.gov/view/dot/55003.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty Human Environment Digest: January 10, 2019. United States. Federal Highway Administration. Office of Planning, Environment, and Realty, 2019, ROSA P. https://rosap.ntl.bts.gov/view/dot/55003.
The Moving Ahead for Progress in the 21st Century (MAP-21) and Fixing America’s Surface Transportation (FAST) Acts promote the use of performance-based decisions for managing the nation’s highway system. Under the legislation, State Departments of Transportation (DOTs) are required to develop and implement a risk-based Transportation Asset Manageme
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Zimmerman, K. A., Ram, P., Bektas, B. A., Allen, B., Mugabe, K., & Serulle, N. U. (2019). Using an LCP (Life Cycle Planning) Process to Support Transportation Asset Management: A Handbook on Putting the Federal Guidance into Practice (Report No. FHWA-HIF-19-006). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/43564
Zimmerman, K. A., Prashant Ram, Basak Aldemir Bektas, B. Allen, Kundayi Mugabe, and Nayel Urena Serulle. Using an LCP (Life Cycle Planning) Process to Support Transportation Asset Management: A Handbook on Putting the Federal Guidance into Practice. Report no. FHWA-HIF-19-006. United States. Federal Highway Administration, 2019. https://rosap.ntl.bts.gov/view/dot/43564.
Zimmerman, K. A., et al. Using an LCP (Life Cycle Planning) Process to Support Transportation Asset Management: A Handbook on Putting the Federal Guidance into Practice. United States. Federal Highway Administration, 2019, Report no. FHWA-HIF-19-006, ROSA P. https://rosap.ntl.bts.gov/view/dot/43564.
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