United States. Department of Transportation. Federal Highway Administration
2024-04-01
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This fact sheet highlights the emerging In-Situ Scour Testing Device (ISTD) technology, that uses an innovative erosion head that more accurately measures soil erosion resistance, resulting in more cost-effective foundation designs and greater reliability and resiliency in bridge performance.
The purpose of this Tech Brief is to present random sampling practices and describe sample security measures for construction materials. The document is intended for highway agency and contractor engineers.
The Federal Highway Administration technical advisory (TA) 5140.22, Uncoated Weathering Steel in Structures, issued on October 3, 1989, gave broad guidance to bridge owners on the use of uncoated weathering steel (UWS), covering environments where UWS should be used with caution and detailing guidance. This guidance was mainly qualitative, which is
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This report provides an overview of issues and topics to consider when transitioning from a current traffic management system (TMS) to a new version, replacing a current TMS with a new one, replacing a subsystem of a TMS, or adding new subsystems or capabilities to an existing TMS. The report outlines the types of technical and nontechnical conside
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United States. Federal Highway Administration. Center for Accelerating Innovation
2024-04-01
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Innovator
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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. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-04-01
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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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Traffic management systems (TMSs) help transportation agencies manage roadway capacity as well as traffic demand to deliver safe, reliable, and efficient travel. As agencies look to actively manage their transportation systems, they turn to various analytic techniques—often embedded in decision support methods and tools—that help them better monito
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The ability to exchange electronic messages with mobile devices in realtime has the potential to improve travel safety, mobility, and the experience for users of the surface transportation systems. Intelligent transportation system devices and traffic management systems using information derived from sharing electronic messages with travelers, vehi
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The purpose of this Primer is to orient transportation practitioners to the principles and practices of Operations Performance Measures and Management (OPMM). OPMM aims to support continuous improvement in the practice of Transportation Systems Management and Operations (TSMO), a set of strategies that focus on operational strategies that improve t
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Traditional traffic monitoring sensors on roadways provide valuable information about travel demands and patterns. However, they do not capture detailed data on how vehicles are driven and interact with the road and the environment. To address this gap, the Office of Highway Policy Information in the FHWA has explored connected vehicle (CV) data fr
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The Senate and House Appropriation Committee reports to accompany the U.S. Department of Transportation and the U.S. Department of Housing and Urban Development, and Related Agencies Appropriation Bill, 2017 (H. Rept. 114-243 and S. Rept. 114-606) requested the Federal Highway Administration (FHWA) to assess the impact and value of certification re
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This report was prepared in response to House Report 115-237 and House Report 115-750, which requests that the Secretary of Transportation submit a report on the status of corrosion control planning by State departments of transportation (State DOTs) and the status of corrosion control best practice requirements in State regulations and in bid spec
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United States. Department of Transportation. Federal Highway Administration
2024-04-01
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PDF
This Transportation Pooled Fund (TPF) study is aimed to bring intergovernmental partners together to efficiently research, design, plan, test, and implement safety improvements that align with FHWA’s Strategic Agenda for Pedestrian and Bicycle Transportation.
United States. Department of Transportation. Federal Highway Administration
2024-04-01
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PDF
This fact sheet highlights the comprehensive plan which embraces the Safe System Approach. This includes five elements that need to be addressed to achieve zero traffic deaths: safe road users, safe vehicles, safe speeds, safe roads, and post-crash care. In line with this overarching goal, Federal Highway Administration's (FHWA’s) Exploratory Advan
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This summary report highlights the purpose of the workshop was to identify the maturity, piloting techniques, and lessons from deployments of novel data collection and modeling methods in managing roadway flood hazards. Organizers wanted participants to learn how to leverage engineering, computer and climate science, and social science expertise fo
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United States. Department of Transportation. Federal Highway Administration
2024-04-01
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PDF
Minnesota Department of Transportation’s (MnDOT’s) Digital As-Builts (DABs) journey started over a decade ago. Since then, MnDOT has developed a strategic plan to improve asset data that uses DABs as one important data source. Construction data is essential in managing transportation assets. Asset type, material, location, cost, material testing re
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United States. Department of Transportation. Federal Highway Administration
2024-04-01
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PDF
Digital as-builts can serve many purposes; two of which are highlighted here. First, digital as-builts can make the construction close-out process more efficient. Second, digital as-builts can improve how the as-built information reaches the individuals responsible for operating, maintaining, and managing assets. Digital as-builts are the next logi
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This Tech Brief focuses on Paver Mounted Thermal Profile (PMTP) systems, Intelligent Compaction (IC), Dielectric Profiling Systems (DPS), and Veta software. The intent of this tech brief is to summarize these technologies, their capabilities, shortfalls, and appropriate usage at the present time to support QA while also meeting the Title 23 Code of
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United States. Department of Transportation. Federal Highway Administration
2024-04-01
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FHWA R&T Now
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A newsletter about research, development, and technology (RD&T) at the U.S. Department of Transportation’s (USDOT) Federal Highway Administration (FHWA).
The Federal Highway Administration's Traffic Noise Model (TNM) version 3.2 was released in January 2024. The software updates in this version of TNM were focused on integrating the capabilities of the Roadway Construction Noise Model version 2.0 into the TNM 3.1 architecture. Additional bug fixes and model improvements were also included. This memo
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