United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-01-01
|
PDF
This fact sheet provides information on the Cooperative Driving Automation (CDA) tools that Saxton Transportation Operations Laboratory (STOL) used to improve road user safety. The suite of tools includes CARMA PlatformSM, CARMA MessengerSM, and CARMASM, 1Tenth, which aid in conducting research and testing of CDA technology.(4) Two of the tools wit
...
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2024). Saxton Transportation Operations Laboratory Cooperative Driving Automation (CDA) Tools to Improve Road User Safety (Report No. FHWA-HRT-24-036). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/73267
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Saxton Transportation Operations Laboratory Cooperative Driving Automation (CDA) Tools to Improve Road User Safety. Report no. FHWA-HRT-24-036. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/73267.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Saxton Transportation Operations Laboratory Cooperative Driving Automation (CDA) Tools to Improve Road User Safety. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-036, ROSA P. https://rosap.ntl.bts.gov/view/dot/73267.
In an effort to encourage the use of strategic pavement preservation on all roadways, the FHWA conducted a study of State Departments of Transportation (DOTs)’ pavement preservation practices and conducted a gap analysis focusing on successful implementation strategies to evaluate the effectiveness of pavement preservation processes. The study of p
...
Peshkin, D., Ram, P., Zimmerman, K., & Pai, S. (2024). Pavement Preservation Program Benchmarking (Report No. FHWA-HIF-24-024). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/74279
Peshkin, David, Prashant Ram, Katie Zimmerman, and Sandhya Pai. Pavement Preservation Program Benchmarking. Report no. FHWA-HIF-24-024. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/74279.
Peshkin, David, et al. Pavement Preservation Program Benchmarking. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HIF-24-024, ROSA P. https://rosap.ntl.bts.gov/view/dot/74279.
Since the publication of the Transportation System Preservation Research, Development, and Implementation Roadmap in 2008, most State departments of transportation (DOTs) have established bridge preservation programs and have made significant progress in the areas of bridge preservation practice and research.(1) State DOTs have investigated, develo
...
Lu, P. (2024). FHWA Bridge Preservation Research Roadmap (Report No. FHWA-HRT-24-011). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/73506
Lu, Ping. FHWA Bridge Preservation Research Roadmap. Report no. FHWA-HRT-24-011. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/73506.
Lu, Ping FHWA Bridge Preservation Research Roadmap. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2024, Report no. FHWA-HRT-24-011, ROSA P. https://rosap.ntl.bts.gov/view/dot/73506.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
This brief describes the Fourier Transform Infrared Spectroscopy (or FTIR) technique.
United States. Department of Transportation. Federal Highway Administration (2024). Technology Deployed In MATC: Fourier Transform Infrared (FTIR) (Report No. FHWA-HIF-24-089). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/80424
United States. Department of Transportation. Federal Highway Administration. Technology Deployed In MATC: Fourier Transform Infrared (FTIR). Report no. FHWA-HIF-24-089. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/80424.
United States. Department of Transportation. Federal Highway Administration Technology Deployed In MATC: Fourier Transform Infrared (FTIR). United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HIF-24-089, ROSA P. https://rosap.ntl.bts.gov/view/dot/80424.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-01-01
|
PDF
This test case proved the benefits of CDA application in signalized intersections with adaptive settings and helped provide a better understanding of its advantages. Potential for future work remains high. In particular, the developed framework can be significantly improved by completing further research in the following areas: Large Scale Testing,
...
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2024). Adaptive Traffic Signal Control Optimization in a Cooperative Driving Automation (CDA) Environment (Report No. FHWA-HRT-24-025). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/73266
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Adaptive Traffic Signal Control Optimization in a Cooperative Driving Automation (CDA) Environment. Report no. FHWA-HRT-24-025. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/73266.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Adaptive Traffic Signal Control Optimization in a Cooperative Driving Automation (CDA) Environment. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-025, ROSA P. https://rosap.ntl.bts.gov/view/dot/73266.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
On rural roadways, traffic incident responders face several unique roadway characteristics and conditions that create safety challenges for both responders and the traveling public. These safety challenges can slow the Traffic Incident Management (TIM) response timeline (detection, notification, and arrival stages), disrupt responder communications
...
United States. Department of Transportation. Federal Highway Administration (2024). Traffic Incident Management for the Rural Environment. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88242
United States. Department of Transportation. Federal Highway Administration. Traffic Incident Management for the Rural Environment. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/88242.
United States. Department of Transportation. Federal Highway Administration Traffic Incident Management for the Rural Environment. United States. Department of Transportation. Federal Highway Administration, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/88242.
Using alternative materials (e.g., lightweight, recycled) in geotechnical applications may be advantageous compared to conventional structural backfills. This report summarizes current knowledge and the state of practice for using alternative backfill materials in applications, including backfills for retaining walls, bridge abutments, and pipes/cu
...
Tutumluer, E., & Qamhia, I. I. A. (2024). Alternative Backfills for Highway Applications: State of the Practice (Report No. FHWA-HRT-23-110). United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development. https://rosap.ntl.bts.gov/view/dot/73251
Tutumluer, Erol and Issam I. A. Qamhia. Alternative Backfills for Highway Applications: State of the Practice. Report no. FHWA-HRT-23-110. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/73251.
Tutumluer, Erol, and Issam I. A. Qamhia Alternative Backfills for Highway Applications: State of the Practice. United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development, 2024, Report no. FHWA-HRT-23-110, ROSA P. https://rosap.ntl.bts.gov/view/dot/73251.
The Database for Air Quality and Noise Analysis (DANA) tool version 2.1 provides traffic-related inputs to the Motor Vehicle Emission Simulator (MOVES) vehicle emissions model and the Traffic Noise Model (TNM). DANA provides real world measurements of traffic conditions for use in environmental analyses. By having these data already compiled, envir
...
Son, S., Hastings, A. L., Chupp, W., Margiotta, R. A., & Ge, R. (2024). Database for Air Quality and Noise Analysis (DANA) Tool Version 2.1 User Guide (Report No. FHWA-HEP-24-029). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/80948
Son, Sophie, Aaron L. Hastings, William Chupp, Richard A. Margiotta, and Richard Ge. Database for Air Quality and Noise Analysis (DANA) Tool Version 2.1 User Guide. Report no. FHWA-HEP-24-029. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/80948.
Son, Sophie, et al. Database for Air Quality and Noise Analysis (DANA) Tool Version 2.1 User Guide. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HEP-24-029, ROSA P. https://rosap.ntl.bts.gov/view/dot/80948.
The 2022 National Household Travel Survey (NHTS) provides an inventory of daily personal travel in the United States. It is the only source of national-level multimodal statistics on personal travel in the United States. The survey series (conducted since 1969) includes demographic data on households, people, and vehicles as well as detailed inform
...
Bricka, S., Reuscher, T., Schroeder, P., Fisher, M., Beard, J., & Sun, X. (. (2024). Summary of Travel Trends: 2022 National Household Travel Survey (Report No. FHWA-HPL-24-009). United States. Federal Highway Administration. Office of Policy and Governmental Affairs. https://rosap.ntl.bts.gov/view/dot/73764
Bricka, Stacey, Timothy Reuscher, Paul Schroeder, Mitchell Fisher, Justina Beard, and Xiaoyuan (Layla) Sun. Summary of Travel Trends: 2022 National Household Travel Survey. Report no. FHWA-HPL-24-009. United States. Federal Highway Administration. Office of Policy and Governmental Affairs, 2024. https://rosap.ntl.bts.gov/view/dot/73764.
Bricka, Stacey, et al. Summary of Travel Trends: 2022 National Household Travel Survey. United States. Federal Highway Administration. Office of Policy and Governmental Affairs, 2024, Report no. FHWA-HPL-24-009, ROSA P. https://rosap.ntl.bts.gov/view/dot/73764.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
From 2017 to 2021, over 83,000 people died on rural roadways; this accounts for 43 percent of all roadway deaths despite only 20 percent of the U.S. population residing in these areas and only 31 percent of vehicle miles traveled occurring in rural areas. Furthermore, 43 percent of speed- related fatalities, 56 percent of roadway departure fataliti
...
United States. Department of Transportation. Federal Highway Administration (2024). Proven Safety Countermeasures in Rural Communities (Report No. FHWA-SA-24-005). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88187
United States. Department of Transportation. Federal Highway Administration. Proven Safety Countermeasures in Rural Communities. Report no. FHWA-SA-24-005. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/88187.
United States. Department of Transportation. Federal Highway Administration Proven Safety Countermeasures in Rural Communities. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-SA-24-005, ROSA P. https://rosap.ntl.bts.gov/view/dot/88187.
This report details the approach and findings from research conducted regarding the occurrence of responder struck-by crashes. There is not one national source of responder struck-by crashes from which to draw and analyze data to better understand and mitigate these tragic incidents. This project sought to cast a wide net across many different pote
...
Pecheux, K. K., Carrick, G., Rista, E., Pecheux, B., Grabbe, B., & Porter, R. J. (2024). Assessment of Data Sources for First Responder Struck-By Crashes (Report No. FHWA-HOP-23-069). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/80456
Pecheux, Kelley Klaver, Grady Carrick, Emira Rista, B. Pecheux, Bruce Grabbe, and Richard J. Porter. Assessment of Data Sources for First Responder Struck-By Crashes. Report no. FHWA-HOP-23-069. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/80456.
Pecheux, Kelley Klaver, et al. Assessment of Data Sources for First Responder Struck-By Crashes. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HOP-23-069, ROSA P. https://rosap.ntl.bts.gov/view/dot/80456.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
This flyer provides basic information about over-the-road buses (OTRBs).
United States. Department of Transportation. Federal Highway Administration (2024). Equal Access for Over-the-Road Buses [flyer]. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/88256
United States. Department of Transportation. Federal Highway Administration. Equal Access for Over-the-Road Buses [flyer]. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/88256.
United States. Department of Transportation. Federal Highway Administration Equal Access for Over-the-Road Buses [flyer]. United States. Department of Transportation. Federal Highway Administration, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/88256.
In recognition of the prevalence of asphalt concrete (AC) overlays as a rehabilitation solution for existing portland cement concrete (PCC) pavements, this project looked at State Departments of Transportation (DOTs) practices for the evaluation, design, construction, maintenance, and rehabilitation of AC/PCC composite pavements. This was primarily
...
Smith, K., Ram, P., Peshkin, D., & Signore, J. (2024). Practices for Maintaining and Resurfacing Existing Composite Pavements (Report No. FHWA-HIF-23-070). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/73587
Smith, Kurt, Prashant Ram, David Peshkin, and J. Signore. Practices for Maintaining and Resurfacing Existing Composite Pavements. Report no. FHWA-HIF-23-070. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/73587.
Smith, Kurt, et al. Practices for Maintaining and Resurfacing Existing Composite Pavements. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HIF-23-070, ROSA P. https://rosap.ntl.bts.gov/view/dot/73587.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
Since 1995, the Environmental Excellence Awards have recognized leaders across the country who make outstanding contributions to environmental stewardship and partnerships above and beyond traditional transportation project outcomes. The winning projects and programs exemplify FHWA’s strategic goals of safety, economic strength and global competiti
...
United States. Department of Transportation. Federal Highway Administration (2024). Environmental Excellence Awards 2024. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/77343
United States. Department of Transportation. Federal Highway Administration. Environmental Excellence Awards 2024. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/77343.
United States. Department of Transportation. Federal Highway Administration Environmental Excellence Awards 2024. United States. Department of Transportation. Federal Highway Administration, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/77343.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
The Federal Highway Administration (FHWA) has an ongoing Accelerated Implementation and Deployment of Pavement Technologies (AIDPT) Program, which includes the deployment of innovative technologies to improve pavement performance and reduce agency risk. A constant challenge in the transportation community is timely and efficient deployment of these
...
United States. Department of Transportation. Federal Highway Administration (2024). Accelerated Implementation and Deployment of Asphalt Pavement Technologies (Report No. FHWA-HIF-23-073). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/73611
United States. Department of Transportation. Federal Highway Administration. Accelerated Implementation and Deployment of Asphalt Pavement Technologies. Report no. FHWA-HIF-23-073. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/73611.
United States. Department of Transportation. Federal Highway Administration Accelerated Implementation and Deployment of Asphalt Pavement Technologies. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HIF-23-073, ROSA P. https://rosap.ntl.bts.gov/view/dot/73611.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
This poster highlights the 2024 Recipient of the Transportation Pooled Fund (TPF) Excellence Award - the Indiana Department of Transportation (INDOT) and its efforts in accomplishing this honor. As a result of extensive collaboration and research, this TPF study created two new American Association of State Highway and Transportation Officials (AAS
...
United States. Department of Transportation. Federal Highway Administration (2024). TPF Excellence Awards – Member-Level Redundancy in Built-Up Steel Members—TPF-5(253). United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management. https://rosap.ntl.bts.gov/view/dot/76530
United States. Department of Transportation. Federal Highway Administration. TPF Excellence Awards – Member-Level Redundancy in Built-Up Steel Members—TPF-5(253). United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management, 2024. https://rosap.ntl.bts.gov/view/dot/76530.
United States. Department of Transportation. Federal Highway Administration TPF Excellence Awards – Member-Level Redundancy in Built-Up Steel Members—TPF-5(253). United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management, 2024, ROSA P. https://rosap.ntl.bts.gov/view/dot/76530.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-01-01
|
PDF
This fact sheet shows the practicality of Cooperative Driving Automation (CDA) -enabled vehicles receiving notifications about alterations due to temporary traffic control in the presence of a work zone can enable the vehicles to navigate through the work area safely and precisely. Future research could potentially focus on the following areas: Tes
...
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2024). Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA) (Report No. FHWA-HRT-24-028). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/73261
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA). Report no. FHWA-HRT-24-028. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/73261.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Work Zone Management for Light Vehicles Using Cooperative Driving Automation (CDA). United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-028, ROSA P. https://rosap.ntl.bts.gov/view/dot/73261.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development
2024-01-01
|
PDF
This fact sheet provides information regarding move over laws that prove that documented benefits could be achieved through the application of Cooperative Driving Automation (CDA) traffic incident management scenarios and helped provide a better understanding of its advantages. Through data collection and analysis, the research team outlined some s
...
United States. Federal Highway Administration. Office of Safety and Operations Research and Development (2024). Move Over Law for Traffic Incident Management Using Cooperative Driving Automation (CDA) (Report No. FHWA-HRT-24-027). United States. Federal Highway Administration. Office of Safety and Operations Research and Development. https://rosap.ntl.bts.gov/view/dot/73268
United States. Federal Highway Administration. Office of Safety and Operations Research and Development. Move Over Law for Traffic Incident Management Using Cooperative Driving Automation (CDA). Report no. FHWA-HRT-24-027. United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024. https://rosap.ntl.bts.gov/view/dot/73268.
United States. Federal Highway Administration. Office of Safety and Operations Research and Development Move Over Law for Traffic Incident Management Using Cooperative Driving Automation (CDA). United States. Federal Highway Administration. Office of Safety and Operations Research and Development, 2024, Report no. FHWA-HRT-24-027, ROSA P. https://rosap.ntl.bts.gov/view/dot/73268.
United States. Department of Transportation. Federal Highway Administration
2024-01-01
|
PDF
This flyer highlights how you can learn more about the resources that are available to the Turner-Fairbank Highway Research Center (TFHRC). These include: TFHRC, The Federal Highway Administration (FHWA) Research and Technology (R&T) Portfolio, The FHWA R&T Story, Public Roads, TFHRC Office and Tours, The Exploratory Advanced Research Program, Tran
...
United States. Department of Transportation. Federal Highway Administration (2024). Turner-Fairbank Highway Research Center - Resources (Report No. FHWA-HRT-24-051). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/73256
United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center - Resources. Report no. FHWA-HRT-24-051. United States. Department of Transportation. Federal Highway Administration, 2024. https://rosap.ntl.bts.gov/view/dot/73256.
United States. Department of Transportation. Federal Highway Administration Turner-Fairbank Highway Research Center - Resources. United States. Department of Transportation. Federal Highway Administration, 2024, Report no. FHWA-HRT-24-051, ROSA P. https://rosap.ntl.bts.gov/view/dot/73256.
This document provides technical information on the hydraulic analysis and design of bridges. The goal is to provide information so that bridges can be designed as safely as possible while optimizing costs and limiting impacts to property and the environment. Many significant aspects of bridge hydraulic design are discussed. These include regulator
...
Hunt, J., Zevenbergen, L., Robinson, D., deRosset, W., Barry, C., & Rohlfing, R. (2024). Hydraulic Design of Safe Bridges [Second Edition] (Report No. FHWA HIF-24001). United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/79838
Hunt, John, L.W. Zevenbergen, Dustin Robinson, Will deRosset, Colin Barry, and Ryan Rohlfing. Hydraulic Design of Safe Bridges [Second Edition]. Report no. FHWA HIF-24001. United States. Federal Highway Administration. Office of Bridges and Structures, 2024. https://rosap.ntl.bts.gov/view/dot/79838.
Hunt, John, et al. Hydraulic Design of Safe Bridges [Second Edition]. United States. Federal Highway Administration. Office of Bridges and Structures, 2024, Report no. FHWA HIF-24001, ROSA P. https://rosap.ntl.bts.gov/view/dot/79838.
Links with this icon indicate that you are leaving a Bureau of Transportation
Statistics (BTS)/National Transportation Library (NTL)
Web-based service.
Thank you for visiting.
You are about to access a non-government link outside of
the U.S. Department of Transportation's National
Transportation Library.
Please note: While links to Web sites outside of DOT are
offered for your convenience, when you exit DOT Web sites,
Federal privacy policy and Section 508 of the Rehabilitation
Act (accessibility requirements) no longer apply. In
addition, DOT does not attest to the accuracy, relevance,
timeliness or completeness of information provided by linked
sites. Linking to a Web site does not constitute an
endorsement by DOT of the sponsors of the site or the
products presented on the site. For more information, please
view DOT's Web site linking policy.
To get back to the page you were previously viewing, click
your Cancel button.