United States. Department of Transportation. Federal Highway Administration. Office of Planning, Environment, and Realty
2024-06-06
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ZIP
The Database for Air Quality and Noise Analysis (DANA) is a tool created by the Federal Highway Administration (FHWA) to process historical traffic data. The tool combines traffic data from existing data sources into a single database. It then processes the combined data into properly formatted inputs for EPA's Motor Vehicle Emission Simulator (MOV
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-06-05
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Special Issue - Weekly Motor Fuel Report
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PDF
The 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 Administration
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-06-01
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National Travel Time Dashboard: Interstate Highways
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PDF
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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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2024-06-01
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PDF
FHWA has constructed a national vehicle miles traveled (VMT) forecasting model where future VMT growth rates can be estimated for three major economic scenarios - normal, pessimistic, and optimistic growth. The normal growth scenario represents the most Likely economic outlook reflects IHS' assessment of most probable future trends in U.S. populati
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This document summarizes the highway infrastructure resilience framework and practices for PostEvent Damage Inspection (PDI) and Post-Event Engineering Investigation (PEI) developed under the FHWA Task Order “Framework for Infrastructure Resilience and Post-Hazard Response.” The document describes the framework components: pillars, lenses, dimensio
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This TechBrief summarizes important findings from the report, which was prepared for the Flooded Pavement Assessment project funded through Federal Highway Administration (FHWA) Project No. DTFH61-13-C00022. The report addresses the load-carrying capacity of pavements affected by flooding to provide decisionmakers with quantitative tools to rationa
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development
2024-06-01
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PDF
The research efforts presented in this TechBrief were designed to advance the deployment of FHWA’s performance testing and evaluation of asphalt pavements. These efforts can be categorized as follows: • Development of a thermal cracking model. • Development of Sapp (apparent damage capacity) and the Rutting Strain Index (RSI) as the cracking and ru
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Safety is the very foundation of every transportation agency’s mission and enables the safe and efficient movement of road users across the country. While all transportation agencies (from State departments of transportation, to local, regional, and Tribal governments, to transit agencies) strive to guarantee safety for both their users and workers
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This tech brief highlights the research conducted by the Office of Safety Research and Development. The purpose of this research was to evaluate the appropriateness and applicability of infrared thermal imaging sensors for collecting vulnerable road user count data—under variable conditions—that can provide information for measuring exposure to cra
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
In the past, the Michigan Department of Transportation (MDOT) used a more traditional approach to transportation safety – placing responsibility for traffic safety on individuals and focusing on improving human behavior, controlling speeding through education and enforcement, and reacting based on crash history. However, like most States, fatal and
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This TechBrief provides an overview of the redesign of the Pavement Testing Facility (PTF) that has been in operation since 1986. The PTF was originally developed to generate accelerated pavement testing performance data related to design, rehabilitation, and the effect of increased loads, and to support the long-term research efforts of the Strate
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2024-06-01
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Urban Congestion Report (UCR)
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PDF
The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
This TechNote presents some of the successes of sprayed ultra-high performance concrete (UHPC) in Europe and the United States and discusses some of the challenges of using it, thus aiming to encourage and facilitate its adoption in the United States. This technology shows great promise, given its potential to lower UHPC placement costs and enable
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure Research and Development
2024-06-01
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PDF
The primary objective of the study was to provide a qualitative analysis of asphalt binders that can determine consistency in binder supply, assess aging potential based on spectral changes with conditioning, and identify any potential modification of the binder.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2024-06-01
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Public Roads
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PDF
Transportation Cybersecurity: Changes and Developments Over the Last Decade - FHWA’s Human Factors Vehicle Automation Research - Garrett A. Morgan: The Man. The Inventor. The Inspiration. The Program - Collaborative Highway Asset Research: Integrated Sensor-Model Application (CHARISMA) - Smart Community Resource Center: Resources to Advance ITS Dep
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
Temporary lane shifts in roadway construction projects, essential for providing space for work activities, often create challenges for drivers, particularly for commercial motor vehicle operators of truck tractor-trailer combinations. Traditional lane shift deployments can lead to difficulties in maintaining lane positioning, resulting in vehicle e
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
This toolkit includes information references, agency policies, processes, and other resources and procedures that can help agencies overcome the obstacles limiting them from implementing separated bicycle lanes where users most require separation from motor vehicles: on higher speed roads. Despite their importance in higher speed contexts, installa
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The National Electric Vehicle Infrastructure (NEVI) program and the Charging and Fueling Infrastructure (CFI) program play a pivotal role in supporting public EVCI. This report delves into the challenges and characteristics of the EV market, the role of the public sector, rapid technological changes, uncertain revenue generation, risk allocation, a
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This report documents research to advance mechanistic models, performance analysis and evaluation, and design methodologies to aid agency efforts to understand asphalt pavement performance. The research team developed FlexMAT™ version 2.1 and FlexPAVE™ version 2.0 as the material-level and pavement-level analysis tools, respectively. FlexPAVE 2.0 i
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United States. Department of Transportation. Federal Highway Administration
2024-06-01
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PDF
Recognizing the imperative of enhancing efficiency, accuracy, collaboration, and adaptability, the New York State Department of Transportation (NYSDOT) acknowledges the necessity for a robust data management strategy. This strategy aims to facilitate the seamless exchange of information through digital-as-builts (DABs) during the transition to digi
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