The FHWA undertook research to provide information on strategies to address truck emissions and noise at truck freight bottlenecks, including major highway bottlenecks and intermodal connectors. The effects of hypothetical strategies including infrastructure, operations, vehicle technology, and noise-specific measures, were modeled at three case st
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2022-08-05
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PDF
The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis
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This report presents the stakeholder acceptance and user satisfaction evaluation conducted by the Texas A&M Transportation Institute independent evaluation team of the New York City (NYC) Connected Vehicle Pilot Deployment (CVPD). The purpose of the evaluation was to assess whether and how the NYC CVPD achieved the vision; goals; and desired mobili
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United States. Department of Transportation. Federal Highway Administration
2022-08-01
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FHWA Highway History Website Articles
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PDF
The ASSHO Road Test from 1958 to 1960 results are referred to in the design and structure of concrete and asphalt structures. This test helped provide a fundamental template for considerations in evaluating and assessing the structure life of concrete pavements.
United States. Federal Highway Administration. Center for Accelerating Innovation
2022-08-01
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Innovator
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PDF
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
2022-08-01
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PDF
The Federal Highway Administration Western Federal Lands Highway Division and the U.S. DOT Volpe Center developed a forthcoming report on the topic of electric “e-bikes” in a public lands context. This research synopsis highlights key findings and area for further research (knowledge gaps) from the report.
This report presents the independent evaluation results of the Road Usage Charge Enhancement to Improve Functionality, Public Acceptance, and Interoperability by the Oregon Department of Transportation (ODOT), which received fiscal year (FY) 2016 funding from the U.S. Department of Transportation’s Surface Transportation System Funding Alternatives
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This report presents the independent evaluation results of pre-deployment activities for a user-based fee demonstration by the Missouri Department of Transportation (MoDOT). MoDOT received Federal fiscal year 2016 funding from the U.S. Department of Transportation’s Surface Transportation System Funding Alternatives Program. MoDOT is one of eight e
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The RDR Tool Suite enables transportation agencies to assess transportation resilience return on investment (ROI) for specific transportation assets over a range of potential future conditions and hazard scenarios, which can then be used as a consideration in existing project prioritization processes. The tool suite utilizes established Robust Deci
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Vulnerable road users (VRUs), including pedestrians, bicyclists, motorcyclists, and a variety of micromobility users, are at an increased risk for collisions, severe injuries, and fatalities relative to other road users, particularly in crowded urban environments. New transportation technologies could have both positive and negative effects on VRU
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The Federal Highway Administration’s (FHWA) Exploratory Advanced Research Program (EAR) Program and the U.S. National Science Foundation (NSF) are funding a 3 year study titled “Making Micromobility Smarter and Safer” to address this issue. This project, run by a Rutgers University research team, seeks to gather better data and create technological
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The Moving Ahead for Progress in the 21st Century Act of 2012 (MAP-21) ushered in a performance-based approach to the Federal-Aid Highway Program. During the development of MAP-21 system performance measures (the third performance management rule, sometimes referred to as PM3 or 23 CFR 490.500-490.800), the Federal Highway Administration (FHWA) rec
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United States. Department of Transportation. Federal Highway Administration
2022-08-01
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PDF
In its over 45 years of existence, the Transportation Pooled Fund (TPF) has enabled public and private entities to combine resources to conduct high‑priority transportation research. By pooling funds and expertise, participants develop innovative solutions at a lower cost while extending the reach and impact of their research. Collaboration between
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This factsheet provides an overview of three different approaches to crowdsourcing used by State and local DOTs, specifically for road weather condition monitoring. Because technology is changing rapidly, the information herein is a snapshot of current practices.
Extreme weather and catastrophic events pose an increasing threat to infrastructure in the United States. Given the impact such events are known to have on public infrastructure, the Department of Transportation’s Federal Highway Administration (FHWA) contracted the Library of Congress’ Federal Research Division (FRD) to conduct a comprehensive ove
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2022-08-01
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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. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center
2022-08-01
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PDF
The Federal Highway Administration ABML– Implementation and Delivery (ABML-ID) evaluated the automated extraction procedure and its effect on performance grading. This document is a supplement to a previously released highlight document (FHWA-HRT-20-057).
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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Coastal transportation infrastructure is one of many important assets that DOTs seek to protect. In the last decade, there has been increasing concern for the vulnerability of coastal transportation infrastructure resulting from observed and projected relative sea level rise, particularly conditions of “nuisance” or “sunny day” flooding being exper
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