Six States from the Midwest U.S. gathered for a peer exchange and discussion on implementation activities to support Balanced Mix Design (BMD). The peer exchange was sponsored by the Federal Highway Administration (FHWA). The six States met to assess the state-of-practice for the technology, tools, and techniques in designing, verifying, and accept
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United States. Department of Transportation. Federal Highway Administration. Offices of Research, Development, and Technology
2024-02-01
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PDF
The primary objective of the study was to investigate how light-vehicle drivers' knowledge of partially automated truck platooning and how different platoon sizes (two- or three-truck platoon) and gap distances (0.6, 0.9, or 1.2 s) between the trucks influence the behavior of light-vehicle drivers entering, exiting, or traveling in the through lane
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The ability to fully quantify the expected safety benefits of Complete Streets transformations using crash-based, data-driven safety analysis (DDSA) methods such as those in the Highway Safety Manual (AASHTO 2010) is limited. The lack of crash modification factors (CMFs) for many Complete Streets treatments is a primary reason for this limitation.
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This fact sheet highlights the research's team holistic framework to address the challenges in large-scale predictive traffic incident management (TIM). The research can be summarized as interconnecting subtask models that accomplish the following: Predict traffic speed. Detect traffic anomalies. Approximate traffic flow physics. Control traffic. E
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Asphalt rubber gap-graded mixtures are durable pavement layers with resistance to reflective cracking, rutting, and oxidation and have frictional characteristics due to the gapped grading of the aggregate.
United States. Department of Transportation. Federal Highway Administration
2024-02-01
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PDF
This fact sheet provides an overview of the role of the Lead Agency - State Department of Transportation (DOT), that oversees each Transportation Pooled Fund (TPF) study. This role is an opportunity to guide and shape national research and innovation collaboration efforts. For a State-led TPF study, a State DOT serves as the lead agency, administer
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Nine States from the Rocky Mountain West U.S. gathered for a peer exchange and discussion on implementation activities to support Balanced Mix Design (BMD). The peer exchange was sponsored by the Federal Highway Administration (FHWA). The nine States met to assess the state-of-practice for the technology, tools, and techniques in designing, verifyi
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The objective of this study is to improve the quality control of steel bridge fabrication by expanding the available nondestructive testing options beyond conventional ultrasonic testing (UT) and radiographic inspection methods. The primary focus of this research is to assess the acceptability of phased array ultrasonic testing (PAUT) as an alterna
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The North Carolina Department of Transportation (NCDOT) plans to replace two highway bridges on I–6064/I–95 over the Lumber River in Lumberton, NC. Hydraulic scour analysis of the planned bridge replacement resulted in deep scour depths, which NCDOT believed were excessive due to subsurface layers of cohesive soil that existed across the bridge sit
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-02-01
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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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This document summarizes a selection of treatments that were of greatest interest to State departments of transportation (DOT) staff members and other practitioners who attended the Federal Highway Administration (FHWA) Workshop: Wrong-Way-Driving Safety Improvements. This compendium provides a brief description of each treatment, along with potent
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United States. Department of Transportation. Federal Highway Administration
2024-02-01
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PDF
This brochure reveals how Complete Streets provide people living in and using rural town centers with safer multimodal access to essential destinations for all road users.
This manual provides a comprehensive and practical guide for the design of storm drainage systems associated with transportation facilities. Information is provided for the design of storm drainage systems that collect, convey, and discharge stormwater flowing within and along the highway right-of-way. Methods and procedures are given for the hydra
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2024-02-01
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PDF
The Federal Highway Administration (FHWA) is pleased to announce the Excellence in Highway Safety Data Award, which is part of the Highway Data Analysis Excellence Awards Program. The award is designed to encourage university students to use Highway Safety Information System (HSIS) data to investigate a topic that advances highway safety and to dev
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United States. Department of Transportation. Federal Highway Administration
2024-02-01
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PDF
This fact sheet provides information on the role and responsibilities of a Funding Contact for the Transportation Pooled Fund (TPF). These responsibilities include: Commits funds on behalf of the funding organization. Monitors and maintains records of remaining funds and sent fund transfers. Serves as the organization’s point of contact for all fun
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-02-01
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PDF
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. Federal Highway Administration. Center for Accelerating Innovation
2024-02-01
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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
2024-02-01
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PDF
This fact sheet provides an overview the role as the Lead Agency—Federal Highway Administration (FHWA) of A lead agency oversees each Transportation Pooled Fund (TPF) study. For an FHWA-led TPF study, a designated FHWA staff member administers the study from start to finish. As the lead agency, FHWA submits the project request, solicits partner age
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The Federal Highway Administration's Long-Term Pavement Performance (LTPP) program issues a triannual newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, pooled fund studies, and dat
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United States. Department of Transportation. Federal Highway Administration
2024-02-01
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PDF
For over a decade, the Minnesota Department of Transportation (MnDOT) has pursued Digital As-Builts (DABs) both strategically and pragmatically. MnDOT uses DABs to maintain current information about specific asset classes as they are renewed or created through the construction process. However, manual, field-based processes are resource intensive.
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